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Guide to Shop Workstations in Digah House Company

Guide to Shop Workstations in Digah House Company

2021-11-22
Digah Company
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On this page, you can find quality content focused on Workstations. You can also get the latest products and articles that are related to Workstations for free. If you have any questions or want to get more information on Workstations, please feel free to contact us.

Guangzhou House Empire Construction&Furnishing Co.,Ltd, the reliable Workstations producer, endeavors to optimize the production process. We adopt state-of-the-art facilities and practised technicians to enhance productivity and increase efficiency to save time. We operate following the management method of the leading international enterprise to make communication between colleagues more efficient. Moreover, we simplify data collection and transmission to make the production process more smooth.Our products have made Digah Company to be the pioneer in the industry. By following up the market trends and analyzing the customer feedback, we constantly improve the quality of our products and update the functions. And our products are becoming more and more popular for its enhanced performance. It directly results in the growing sales of the products and helps us to win a broader recognition.Except for Workstations and suchlike products provided at Digah Company, we can also customize design and engineer specific solutions for projects with unique requirements for specific aesthetics or performance.
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Working Principle of L6599d (l6599d Pin Function and Application Circuit)
Working Principle of L6599d (l6599d Pin Function and Application Circuit)
1. L6599d introductionL6599d is packaged in double row 16 pin so and dip. It is a dual channel adjustable Synchronous Step-Down Switching power supply controller, which can output high and low switching signal voltages to drive two FET tubes. The working voltage is 8.85 16V, the working temperature is - 40 150 ℃, and the power consumption is 0.83w. Control chip suitable for half bridge series resonant soft switching converter. On the basis of the previous generation product l6598d, a variety of functions are added, such as special output directly connected to power factor corrector (PFC), two-stage overcurrent protection (OCP), self-locking prohibition input, light load burst mode operation and a power on / power off sequence or undervoltage protection input.characteristic1.50% duty cycle, frequency conversion control, resonant half bridge2. High precision oscillator3. Reach 500KHz working frequency4. Two levels of OCP: frequency shift and latch off5. The interface has PFC controller6. Disable input latch7. Burst mode works under light load8. The input has switching sequence or undervoltage protection9. Nonlinear soft start is monotonic output voltage riseThe 10.600v compatible high side gate driver integrates bootstrap diode and high DV / dt immunity11. - 300 / 800mA high side and low side grid drives have UVLO pull-down2. L6599d pin diagram3. L6599d pin function1. CSS: soft start end. This pin has an indirect capacitance CSS with the ground (GND) and a resistance RSS with the 4 pin (rfmin) to determine the maximum operating frequency during soft start. When VCC (12 pin) UVLO (low voltage lockout), line (7 pin) 1.25V or 6V, dis (8 pin) 1.85v (Forbidden end), isen (6 PIN) 1.5V, delay (2 pin) 3.5V, and when the voltage of isen exceeds 0.8V or exceeds 0.75V for a long time, the chip closes and capacitor CSS discharges through the internal switch of the chip to make the restart process soft start.2. Delay: overload current delay shutdown terminal. One resistor RD and one capacitor CD are connected in parallel to the ground at this end to set the maximum duration of overload current. When the voltage of isen pin exceeds 0.8V, the chip will charge CD through a 150ua constant current source. When the charging voltage exceeds 2.0V, the chip output will be turned off and the power on the soft start capacitor CSS will be discharged. After the circuit is turned off, the overcurrent signal disappears, the 3.5V power supply for CD charging inside the chip is turned off, and the power on CD is discharged through Rd. when the voltage is lower than 0.3V, the soft start starts. In this way, in the overload or short circuit state, the chip works in the intermittent working state again and again. (RD shall not be less than 2V / 150ua = 13.3K Ω. The greater the RD, the shorter the allowable overcurrent time and the longer the shutdown time.)3. CF: timing capacitor. A capacitor CF is connected to the ground, and the 4-pin rfmin to the ground is matched with the switching frequency of the programmable oscillator.4. Rfmin: minimum oscillation frequency setting. Pin 4 provides 2V reference voltage, and a resistor rfmin is connected from pin 4 to the ground to set the minimum oscillation frequency. A resistor rfmax is connected from pin 4 and grounded through the optocoupler controlled by the feedback loop, which will be used to adjust the oscillation frequency of the exchanger. Rfmax is the maximum operating frequency setting resistance. The RC network between pin 4-pin 1-gnd realizes soft start.5. STBY: standby, intermittent working mode threshold (1.25V) The 5-pin is controlled by the feedback voltage. Compared with the internal 1.25V reference voltage, if the 5-pin voltage is lower than the 1.25V reference voltage, the chip is in a static state and has only a small static working current. When the 5-pin voltage exceeds the reference voltage of 50mV, the chip starts working again. In this process, soft start does not work. When the load drops below a certain level (light load) This function enables the chip to implement intermittent operation mode through rfmax and optocoupler (see the structure diagram). If there is no circuit association between pin 5 and pin 4, the intermittent operation mode will not be enabled.6. Isen: input terminal of current detection signal. Pin 6 detects the current in the main circuit through resistance shunt or capacitive current sensor. This input terminal is not intended to realize cycle by cycle control, so the average current information must be obtained through filtering. When the voltage exceeds the 0.8V threshold (there is a 50mV return difference, that is, once it exceeds 0.8V, it still works as long as it does not fall below 0.75V) , the soft start capacitor of pin 1 is discharged inside the chip, and the working frequency is increased to limit the power output. In the case of short circuit of the main circuit, this usually makes the peak current of the circuit almost constant. Considering that the overcurrent time is set by pin 2, if the current continues to increase, although the frequency increases, when the voltage exceeds the reference voltage (1.5V) of another comparator The driver will shut down and the energy loss will almost return to the level before startup. The detection information is locked. The chip will be restarted only when the power supply voltage Vcc is lower than UVLO. If this function is not used, please ground pin 4.7. Line: input voltage detection. This terminal is protected by the AC or DC input voltage sampled by the voltage divider (between the system and PFC). When the detection voltage is lower than 1.25V, the output is closed (not locked) And release the soft start capacitor. When the voltage is higher than 1.25V, restart the soft start. This comparator has hysteresis effect: if the detection voltage is lower than 1.25V, the internal 15ua constant current source is turned on. A capacitor is indirectly connected to the ground at pin 7 to eliminate noise interference. The voltage of this pin is limited by the internal 6.3V zener diode, and the conduction of 6.3V zener diode turns off the output of the chip (non locking) . if this function is not used, the pin voltage is between 1.25V and 6V.8. Dis: disable, the locking drive is turned off. A comparator is internally connected to this pin. When the voltage of this pin exceeds 1.85v, the chip will be turned off in a locking manner. The chip can start working again only when the chip working voltage Vcc is reduced below the UVLO threshold. If this function is not used, please ground this pin.9. Pfc_stop: open the control channel of PFC (power factor correction) controller. This pin is opened to stop the operation of PFC controller for protection purpose or intermittent operation mode. When the chip is controlled by DIS "1.85v, isen" 1.5V, line "6V and STBY When 1.25V is closed, the output of pin 9 is pulled down. When the voltage at delay terminal exceeds 2V and does not return to below 0.3V, this terminal is also pulled down. During UVLO (low voltage lockout), this pin is open. This pin is allowed to be suspended and not used.10. GND: chip ground. The loop current is the sum of the low-end gate drive current and the chip bias working current. All relevant grounds should be connected to this pin and separated from the pulse control loop.11. LVG: low-end gate drive output. This pin can provide a small drive current of 0.3A. The source is 0.8A (?). The suction (?) peak current drives the low-end MOS transistor of the half bridge circuit. During UVLO, LVG is pulled down to the ground level.12. VCC: the power supply includes the signal part of the chip and the gate drive of the low-end MOS transistor. Connecting a small filter capacitor (0.1uF) is conducive to the chip signal circuit to obtain a clean bias voltage.13. N.C.: empty pin, used for high voltage isolation and increasing the spacing between VCC and pin 14. This pin is not connected internally, isolated from high voltage, and can meet the requirements of safety regulations (leakage distance) on PCB.14. Out: floating ground of high-end gate drive. Provide current return circuit for high-end gate drive current. It shall be carefully arranged to avoid too large burr below the ground.15. HvG: high end floating gate drive output. This pin can provide a small drive current of 0.3A. The source is 0.8A (?). The suction (?) peak current drives the upper MOS tube of the half bridge circuit. A resistor is internally connected to pin 14 (out) through the chip to ensure no floating drive during UVLO.16. Vboot: high-end gate drive floating power supply. A bootstrap capacitor CBOOT is connected between pin 16 (vboot) and pin 14 (out), which is synchronously driven by a bootstrap diode inside the chip and the low-end gate driver. This patented structure replaces the commonly used external diode.4. L6599d internal block diagramLimit parametersNote: the antistatic capacity (ESD) of pins 14, 15 and 16 is guaranteed to be above 900v.5. L6599d application circuitApplication circuit (I)Operate under no-load or very light loadWhen the resonant half bridge is lightly loaded or all loads are unloaded, its switching frequency is at the maximum. In order to keep the output voltage under control and avoid soft switching failure, there must be a necessary residual magnetization current flowing through the transformer. However, this current will cause a very low no-load loss when the converter is under no-load.The drive can use 5 pins (STBY) Working in pulse intermittent working mode: if the voltage of pin 5 is lower than 1.25V, the IC enters an idle state, the two gate drives are low, the oscillator is stopped, and the soft switching capacitor CSS retains its charging state. Only the 2V voltage reference power consumption on rfmin pin and the self discharge on VCC capacitor. When the voltage of pin 5 exceeds 1.25v50mv, the IC returns to normal operation.To realize the pulse intermittent operation mode, the voltage of STBY pin must be related to the feedback loop. The figure shows the simplest scheme, which can be matched with a narrow input voltage range.Figure  Realize pulse intermittent working mode: narrow input voltage rangeHowever, the switching frequency of the resonant converter also depends on the input voltage; if the input voltage range is large, the value of poutb will change greatly for the above figure. At this time, it is recommended to use the circuit in the following figure to introduce the input voltage signal to the STBY pin. Due to the strong nonlinear relationship between the switching frequency and the input voltage, experience has verified that RA / (RA RB) The correction of reduces the change of poutb to the minimum. Please carefully select that the total value of RA RB is greater than RC to minimize the effect on the voltage of line pin.Figure  Realize pulse intermittent working mode: wide input voltage rangeApplication circuit (II)LLC half bridge circuit of l6599d
Has Anyone Bought/installed QUICKSTYLE Laminate Flooring? Looking for Comments. NOT the Same As QUIC
Has Anyone Bought/installed QUICKSTYLE Laminate Flooring? Looking for Comments. NOT the Same As QUIC
Quickstyle Laminate Flooring1. How do you cut laminate flooring when dealing with bifold doors?just screw the brackets to the casing and not through the floor2. Please help, how much should I pay?Just installation of the laminate flooring or is more involved such as removing furniture from the room to lay the flooring and replacing the furniture after installation? Removing old carpet, padding, and disposal? Does the flooring have the padding/vapor barrier on it or will that require separate installation before the flooring can be installed? Laminate flooring requires that a small gap be left between the flooring and the walls. So, 3/4 round moulding will also have to be installed to cover the gap between the wall and the edge of the flooring. Does the room currently have 3/4 round moulding installed? If the room has carpet in it now it does not. If the room does have 3/4 round it will have to be removed before installation and then reinstalled after the flooring is installed. Labor rates vary depending upon where you live. Just a general (rough) estimate for ONLY the flooring and 3/4 round installation: $450.00 (labor only) If more must be done (such as items mentioned above) then the cost will go up.3. What are your laminate flooring suggestion for Light Oak cabinets?Check out hgtv.com they are all the time mismatching wood colors, I do know that if you add all one color of wood your house will take on that color. For example I have gold tone wood on my cabinets and my floor so my house has taken on a warm golden shade. I do not mind this but my husband Absolutely loves it. So make sure you are prepared for that to happen if you use a shade of what you already have. You really can not clash with wood4. Darlington Oak Laminate Flooring Installation?I have laid alot of that particular flooring and am headed to Lowe's to pick up more Darlington oak in the morning. Its actually pretty good flooring. We use it in apartments and it seems to be holding up very well. Any way Start in a left hand corner .Assemble a complete row . When you cutoff the last piece in the row to fit , the piece that's left over is what you start the next row with. That automatically staggers the joints and makes the floor stronger. I always assemble whole rows ,then lock togather the newly assembled row to the flooring already in place. When looking down at the flooring the longest lip faces new rows. I always tap all joints with a scrap after I lock then togather. Hope this helps. If you were here tommorrow I could give you a quick lesson5. Need some advice on how best to make a kerf slot in door stop to accept vinyl clad weatherstripping?Got good hands,,,, the fastest way is an undercut jamb saw. You can rent one at the home depot, and probably the Lowe's, for about $20/day. Traditional use is for cutting door jams to accept laminate flooring. If you feel a touch shaky, get some carpenters clamps and put up a board inside of the door, to hold a board as a rest and a guide. Good luck.6. How do you fix air bubbles in wood laminate flooring?If you placed it over concrete and did so without a 6ml vapor barrier, then you have ruined the job. Most people do not realize that concrete "sweats". If you put it over a plywood subfloor, you should have put some rosin paper down first as well. If you did not do this, moisture will cause the floor to buckle7. What removes the cloudiness on laminate flooring?Have you tried vinegar and water? Mist on from a spray bottle and use a duster type mop. You may have to do it a few times since you may have a build up of improper cleaners..Dry with a bath towel between cleanings.. Start with a 50/50 mix and cut down to a 1/3 solution of vinegar/ water for normal use.. This is a mild acid type cleaner to cut through any build up. BTW.. white vinegar.. At least this is a cheap try and can be used in day to day cleaning.....GL
Alpha Kappa Alpha Sorority
Alpha Kappa Alpha Sorority
Market is flooded with a wide variety of fashion products, and the stores selling these items. You can easily shop for these items, and can stay stylish the way you want. Among so many stores available in the market, selling these items, the online shop of Alpha Kappa Alpha Sorority is very much popular. You can find a good range of these products here, and can buy them without breaking your budget.Out of so many fashion products available in the market, handbags are what make a woman feel complete. There are various types of handbags available in the market, and you can find them in different styles, designs, and colors. These items can help you to enhance your overall personality, while making you look trendy and fashionable. You can buy them in different patterns and colors to make a unique style statement every day.Another popular accessory that is carried by the women concerned about fashion is scarfs. These items are one of the latest trends in the fashion market. You can carry scarfs in various different ways, and can look fashionable. You can find them in different designs. These items can not only be used to make a fashion statement, but also to cover your head when you go out in the sun. Apart from this, there are many more fashion products that can help to boost your persona, such as footwear, shirts, blazers, and many more.In order to buy these items at very reasonable prices, going online can be your one of the best solutions. Shopping through the internet gives you an ease of comparing the collection of different companies without even stepping out of your home. You just need to sit in front of your computer screen, and look at the products offered by various companies online. This way, you can easily locate a store having the most amazing and chic selection of these items. Also, you can compare the prices of different stores, so that you can strike the best deal regarding the item you are in need of. You will be happy to know that there are a number of companies available in the market that can help you buy a wide variety of these items. You can go for a detailed search, and can find a trusted store offering a striking range of these items. When looking for quality products, approaching the online store of Alpha Kappa Alpha Sorority can be a good decision. You can browse through the products you want, and can buy them at very affordable rates
Inspired by Ants, the Swiss Research Team Developed a Small Robot
Inspired by Ants, the Swiss Research Team Developed a Small Robot
According to foreign media reports, a research team at the Federal Institute of Technology (EPFL) in Lausanne has developed a small robot inspired by ants. They have good mobility and can communicate with each other, assign roles and complete complex tasks together.Due to the small size of ants, the ability of individuals is very limited. However, under the collective cooperation, a group of ants can work in an orderly way. They can find food, build complex nests, escape predators and so on.EPFL researchers' research published in the journal Nature shows that their newly developed robot has the same ability as ants. These robots are simple in design and weigh only 10 grams, but each robot has a variety of motion modes and can move in a variety of terrain.This kind of robot is named tribots by researchers. It is folded and assembled by multiple thin and light materials. Due to its strange shape, it is also called "three legged robot". And this kind of manufacturing material is completely autonomous and unrestricted. It is also equipped with infrared and proximity sensors for detection and communication. More sensors can also be configured according to the actual application.At the same time, the ingenious combination makes tribots have five different motion forms: vertical jump, horizontal jump, over obstacles, and traveling on platforms and non flat planes."In practical applications, such as emergency search tasks, these robots can act collectively. Moreover, because they have good mobility and communication ability, they can quickly locate targets in large space without relying on GPS or image feedback," the researchers explained"At the same time, because they can be manufactured and deployed in large quantities, even some" casualties "will not affect the success of the task. With its unique collective intelligence, our micro robots can better adapt to the unknown environment. Therefore, in some tasks, they will be better than larger and more powerful robots."
Do 50% of Marriages End in Divorce?
Do 50% of Marriages End in Divorce?
Do 50% of marriages end in divorce?It was true, but now it is starting to decline— — — — — —How to win my wife back...please help?Go to church. Seek a higher power. If god is not both of your first priorities then your marriage is doomed. Over half of marriages in this country fail and it's terribly sad. Turn over a new leaf and start getting into Christianity. I've seen it change so many lives including my own. Congratulations on your new job! I really hope you two can make it for the sake of your son. Divorced families are so hard on children.— — — — — —Why do people oppose against gay marriages?That's just part of their belief system. I do not understand why people care either. Turns out that two fathers turn out to be better parents than 75% of traditional nuclear families— — — — — —Do you feel facebook causes a problem in marriages?Yes. Facebook causes problems AAAALLLL the time. Drama can easily be created (not that it always is), because people reconnecting with old flames and chatting with people from work and stuff feel like it's so easy to do and it seems so harmless on the surface, and then drama ensues as one or the other starts to flirt (because they are bored, or looking for an ego stroke, etc), and it blossoms from there, and then the other person in the relationship almost always finds out eventually, and so on... It's a much better idea to avoid the whole thing and not use facebook beyond racking up a friends list and checking out your homepage once in a while. Better safe than sorry. The road to hell is paved with good intentions, you know? Even the most loyal, honest, and well intentioned person can be susceptible to stuff like this if the circumstances are right, so I figure why take the risk? I've just seen it cause issues too many times, in strong, trusting relationships. I am not talking divorce, but definitely enough to compromise trust within the relationship— — — — — —Can this marriage be saved?Once abuse contaminates a relationship, a line has been crossed and it becomes very difficult to draw a new line. The only hope you have of ending the abuse is absolutely refusing to tolerate any abuse of any kind - no matter what. For that, you need to be strong - so strong that you can see it coming and end it before it begins. Few women are THAT strong. They should not have to be because men should not be abusive but they sometimes are. To be that strong, you need to have a lot of self-respect. Enough respect for yourself to account for both of you. You will need to earn his respect by having INTEGRITY - that means that you say what you mean and mean what you say. The more you let him get away with, the more you erode your own integrity. Whatever you put up with will be what you get more of. You need to be clear on this. DO NOT accept what you do not want in your life. You have nothing to lose by standing your ground! If he will not respect you then you are better off without him. If you do not insist on exactly the respect you want, need and deserve then you are settling for less. Go for the WHOLE package - draw the line thick and clear and you will only risk losing what you DON'T want - no loss, my dear! Starting out so young, neither of you understand what a healthy relationship is. It sounds like you come from controlling parents and it is likely you thought marriage would free you. But you just went from the fire into the frying pan - marriage is not an escape. It is a commitment. You now find yourself stuck between parents who know nothing about healthy relationships and a husband who has not a clue! There is no one to teach or guide you! Your parents do not understand that the more they respect you the more confidence and strength they give you. So they try to control you to protect you and they make you weak and defenseless! Your husband does not understand that you get more by giving more so he is all about taking what he wants. There will be nothing to take if both of you are destroying rather than creating. You have to both be giving for your cup to be always full. It is not easy dealing with an abusive man and if you are not a strong woman, he will crush you. If you love this man and want to be with him you will have to be stronger than him your whole life. Abusers are cowards - they are so insecure and scared they will pick on anyone who looks weak to them. They are little boys with big fists. Stand your ground on everything that is important to you. Tell him that if he even threatens a hair on your head ever again, you will INSTANTLY be done with him and MEAN IT. Do not move back with him until he understands you mean business and move out again the second he even yells at you. Be ready always to flee - have money aside and a place to go. If you stay with him you must be ready to evacuate in seconds. Or you can be done with him now and find yourself a real man. Not a small boy with big fists. It all depends on what your vision for your life is. Do you have a vision? You let life take you where it did because you never believed you were worth better. You are. But it does not matter how many people think you deserve better. You are the only one who can dream better and make it happen. So what would happen if you sat down one day and decided you want MORE and BETTER than this? I know what would happen: you would get it. But to have more and better, you have to stop thinking this is as good as it gets. There is more and better in life than being a punching bag. I promise.
Review of the LG Cui-X2: Smartphone That Packs a Punch, but Does Need to Be Expensive
Review of the LG Cui-X2: Smartphone That Packs a Punch, but Does Need to Be Expensive
ALL Blu-ray players, which include the PS3, upscale DVDs to 1080p. However, the quality of the result varies. While NONE will upscale and match the sharpness of a Blu-ray version of the same movie (Although technically the result of upscaling is an HD image you can not obtain extra detail by upscaling DVDs), some players (e.g. Oppo BDP-83 do a significantly better job than others (e.g. PS3). It depends on the video processor in the player ... and like in HDTVs, some are better than others. The difference between Blu-ray and well upscaled DVD are subtle at best on a small, lower resolution HD display (e.g. 720p 30" HDTV), but become more pronounced on larger displays (e.g. 1080p 100" projector screen). So ... DVDs are not going to look as good as Blu-ray, but for many types of movies/programs there is some question whether paying a premium for Blu-ray is worth it for the relatively small increase in image quality. Many people feel it is not , and either do not bother with Blu-ray at all, or reserve it for movies they feel deserve the highest possible image quality. That said, image quality is more than just resolution. In fact, resolution is only the 4th most important determinant after dynamic range/contrast, colour accuracy and colour saturation. none of which are (significantly) improved in Blu-ray vs DVD (Blu-ray does use a different "color space", with a somewhat broader gamut of colour). In addition, catalog Blu-ray movies are often produced from remastered HD versions of the original print, which can mean a better image than that on the DVD from an older print. Finally, sound on Blu-ray can also be superior to that on a DVD (although improvement may only be appreciated on a good surround audio system). Bottom line: video and audio quality from a DVD -- even at it's best -- will not be as good as Blu-ray. The degree of difference varies with the movie and the equipment used. Whether it's worth paying extra for the improvement is a personal choice.1. Help me pick a home audio receiver. 5.1, HDMI, not expensive?I am with grumpy, buy a high end receiver from a few years ago. No HDMI, but you can run HDMI straight from blu ray to TV. Get a blu ray with multi channel analog outputs, and connect to receiver's multi channel analog inputs to get the new HD DD and DTS sound. That's what I am doing. I've got an older Yamaha, it was 2k US dollars when it came out. Blu ray and HDMI were just a dream in some dude's head at that time. I could get a new HDMI receiver that will decode DTS HD etc, for 500 bucks, but the parts in that thing wo not touch what I've got. My receiver has the better amp, power supply, bigger caps, better sound and true 100 watts to each channel, not the cheater specs of a 500 receiver. You can tell by the weight, I make a big groaning sound when I have to move it, it's like a slab of lead. I do not feel like dropping 1.5 or 2k on a new HDMI receiver. Now with the new HDMI 1.4 spec out for blu ray 3D forget about it, just more money. I will spend that money on a new flat panel. I helped my friend do the same thing, he built a nice SS system slowly as his wallet allowed. I started him off with a Sony ES receiver from a few years ago that was 1200 new, now 350. I showed him all kinds of good brand speakers used on ebay, we went back and forth on a few brands because there are a lot. Then a deal on Monitor audio showed up, grabbed the front three, rears will come later. he likes my SVS sub (internet only) so he might end up getting one too. So bottom line, it's good to hear that you are going to build it and do it right. You do not have to be rich, just patient if it takes a 6 months or 2 years whatever, it's worth it. Nothing I've purchased, even the used gear has ever failed me. Buy quality, and in most cases you will buy once. If something is outdated or dies you can replace just that one thing or in some cases work around it somehow. People that have those all in one systems when DVD was the only game in town are now not so happy since most can not integrate their new blu ray into the surround sound. Anyway check out the older high end Yamaha, Onkyo, Sony ES, I came really close to getting a used NAD receiver, but the deal on my Yamaha popped up and I grabbed it. Just make sure it has the multi-channel analog inputs. To mate to a blu ray player with matching outputs. If you go the HDMI way, you can get a nice receiver, but you are limited a bit since HDMI receivers have not been around a super long time2. What Will Be Next Step After Blu Ray?My suggestion is demo one and decide for yourself. Many people rave about Blu-ray and HD DVD, but personally I do not think they are worth the (current) high price premium. I have an HD DVD player and on my 110" screen and 720p projector the difference from upscaled DVD is barely noticeable. And video quality on Blu-ray and HD DVD is essentially identical, so it's not that HD DVD is not as good as Blu-ray. I suggest going to a store where they can connect a HD player to a TV as similar to yours as possible (at least same size and resolution). View a DVD and a HD disk (it's easiest with an HD DVD combo disks since they have HD on one side and normal DVD of the same movie on the other side) at the same distance as you will sit from the TV at home. If you decide the benefits are worthwhile, as to choosing HD DVD or Blu-ray I could give you all sorts of reasons why HD DVD is the more consumer friendly format, but the bottom line is most movies are only available on Blu-ray, so unless you want primarily a good upconverting DVD player that also plays HD DVDs ( in which case the HD-A3 is a great deal at about $120 with free HD DVD disks) you probably should buy Blu-ray. That said, Blu-ray is not ready for real time yet since there are still changes in hardware and software being implemented. It would be best to wait a few months at least before buying. And prices will likely be lower too. Hope this helps.3. Is it worth it to buy old blu ray movies?I've heard that the Blu-ray is amazing on all movies it's on, but I do not own one, so I am not a very reputable source. I would just rent some of the older movies on blu-ray. Judge for yourself whether they are better quality before you decide to buy.
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