Should I use FREDs instead of plain diodes like the 1n400X series in the power supply?
AX84 - The General FAQQuick summary - capacitors alone are not the best answer - a series resisotor/capacitor in parallel with the diode is vastly better. But finding the right values isn't trivial and depends in part upon the power transformer's leakage inductance. IMO, getting a snubber to REALLY work optimally is tough. If someone tries, do they have a good scope and know how to delay trigger it and know exactly where and when to look in the rectification cycle? If not, then they are guessing.
Related QuestionsWhy not just use FREDs and be done with it?
AX84 - The General FAQFWIW, it's certainly possible to build a hum and buzz free HO with the stock power supply, although probably not with the stock heater circuit.
Related QuestionsCan I use two power supplies and a couple of diodes to power up your Power Conditioners?
Fieldbus FAQs : Relcom Inc.Our Redundant and Dual Power Conditioners already supply this feature for you. There are two pairs of terminals that allow you to connect two Power Supplies to the unit. This provides redundant power feeds to the Power Conditioners.
Related QuestionsCan I use it with a power supply like the DC Brick?
Voodoo Lab - Proctavia FAQNo. Like other Octavia pedals that are around, the Proctavia pedal is a positive ground. It can run on a battery, on its own power supply (like the Boss PSA-120), or with the Pedal Power units (because the outputs are isolated). However, it will shut down the whole power supply if it is fed into an output that is not isolated.
Related QuestionsCan I use an external battery or power supply with your systems?
NextComputing - Frequently Asked QuestionsYes, NextComputing recommends APC brand UPS/DC power pack bricks. These units usually provide 15–30 minutes of power, depending on your system's configuration.
Related QuestionsDo I need to use the external power supply if I have the MicroScribe connected to the USB port?
Digitizing Frequently Asked Questions (FAQ) for MicroScribe ...If the MicroScribe is connected to a non-powered USB hub, then you will need the external power supply. If the MicroScribe is connected directly to the computer or to a powered USB hub, then there is no need for the power supply.
Related QuestionsWhat Power Supply Should I use with a GL4000?
ALLEN & HEATH :: WORLD CLASS MIXERSThe correct PSU is the RPS11. This can be used with an RPSD2 for connection of a backup RPS11 with autoswitching.
Related QuestionsWhat power supply should I use in a car?
MP3 Jukebox Player Frequency Asked QuestionsThe player module itself will operate on a regulated 5VDC @ 75 mA. So its actually the hard drive that is the significant power-hungry device. I would recommend using a 2.5" notebook/laptop hard drive for cars, as they tend to be more mechanically sturdy and also run off a 5VDC regulated supply @ ~1000mA. A single 12V-5V DC-DC converter can then be used to run the whole module. The cheapest way is to get a LM7805 3-pin 5V regulator and boost the current output (with a heatsink attached).
Related QuestionsWhy should I pay more for a 420W power supply instead of a 300W power? What's the extra I get?
Addtronics FAQYou get 100W extra power. This 100W is critical in certain situations. If your system only need more than 300W in very special situation (peak time), your system will not work without a 420W power supply. Even your system never need more than 300W, to keep a power supply full load all the time will decrease the lifetime of the power supply. A 420W power supply will not let your power supply full load all the time. ATX 12V is a new feature only supported in our 420W power supply.
Related QuestionsDo I need a special power supply?
Flow meter, mass flow controller, mass flow meter, flowmeter...No, the 810 and 820 series meters operate in using a "single ended supply" meaning you only need between 9 and 25 VDC to operate them. We sell very reasonably priced power supplies that accomplish this in a very economical manner.
Related QuestionsI would also like my dentist to use a laser instead of a drill to do my filling. Is this possible?
The Canadian Dental Association - Your Oral Health - FAQs & ...There are also new and different ways to prepare a cavity for a filling. Lasers are a fairly new tool in dentistry. They have been used for several years on soft tissues, like the gums. Some dentists are starting to use lasers in place of drills to remove tooth decay. Lasers work best on decay close to the tooth's surface. Over the next few years, lasers will likely be refined and more dentists may be using them instead of drills. Air abrasion is another new way to remove tooth decay.
Related QuestionsAre Diodes, Inc. dual transistor devices, such as the MMDT series, made with monolithic die?
Diodes, Inc.: FAQDiodes, Inc. manufactures its dual transistor products using separate die which are wire bonded to the lead frames. They are not monolithic devices.
Related QuestionsWhat kind of Power Supply is needed? Can I use an ATX Power SUpply?
SIMKITS - Flight Simulator Parts - Frequently Asked Question...The Central Control Unit is powered by a standard 200 Watt PC AT Power Supply through a diskdrive connector. These power supplies are available around the corner. The Central Control Unit on its turn powers the servos through the flatcable. The newer ATX Power Supplies do not switch on automatically when used stand-alone. These Power Supplies are switched on by the PC Mother board normally.
Related QuestionsWhat is the output voltage for the BayStack 600 series AP power supply ?
Nortel Networks: Standard Template for Enterprise Data Suppo...For the BayStack 600 series and the Netwave AirSurfer Plus APs the power supply output specification is: 6V DC, 1A, center pin +ive. For the Xircom CNW and Netwave AirSurfer Access Points the power supply output specification is: 12V DC, 1000mA, center pin +ive.
Related QuestionsIs power supply needed for the IDE-SERIES Kit?
FAQ Dyno46 Racing PerformanceNo external power supply will be needed for the IDERC kits. The unit will get its power from the PC serial COM port automatically. So less cables, less hazard around and lower power consumption. However in the case of using external sensors that derive high power from its source, external power is needed to cover up the power supplied by the PC com Port. If signs of insufficient power supply or unstable data reading is detected, we would suggest an external power supply).
Related QuestionsWhy does Cantv.net recommend the use of plain text email instead of HTML?
abuso.cantv.net : FAQs : Mailing list operation, maintenance...odd as it might seem, some people automatically discard HTML messages automatically. Others consider the use of HTML in the email as a sign of unsolicited email. In other cases, the user accesses his email through devices that cannot properly show the HTML message. The safest way to insure that your message is to be seen by the recipient, is to encode it so it is easier to read. This implies the use of plain text.
Related QuestionsHow can I set FoxMail to use "plain text" instead of HTML?
Questions about the general usage of FoxMailThe procedure is one that is done "per account", meaning that if you have three accounts, you'll have to do it three times, for each account individually! Scroll down the list untill you see "Templates", select this option by clicking on it. (Or type {T} to jump to it immediately.) Next, the right-hand part of the screen will be changed into one with three tabs (New, Reply, Forward), select the tab of which the type of template to be used you are about to change.
Related QuestionsWhy should I use inline functions instead of plain old #define macros?
Inline functions, C++ FAQ LiteBecause #define macros are evil in 4 different ways: evil#1, evil#2, evil#3, and evil#4. Sometimes you should use them anyway, but they're still evil. Unlike #define macros, inline functions avoid infamous macro errors since inline functions always evaluate every argument exactly once. In other words, invoking an inline function is semantically just like invoking a regular function, only faster:
Related QuestionsCan I use a mouse instead of a touchpad or a 3rd-party keyboard with your Vigor series or notebooks?
NextComputing - Frequently Asked QuestionsYes, you can use third-party USB 1.1 or 2.0 keyboards and mice in place of the onboard keyboard and touchpad, thus disabling the original devices. More details are available in the system user's manuals, which come with the systems.
Related QuestionsI have a separate power supply for my Roll-Up---do I really need to use it?
Technical Support - Digitizing & Measurement Products - ...Yes. Although the Roll-Up does get some power from the computer, the external power supply is needed to ensure a constant power source. This is especially true if you are using the digitizer with a laptop computer.
Related QuestionsI have a separate power supply for my Roll-Up III---do I really need to use it?
Technical Support - Digitizing & Measurement Products - ...Yes. If the Roll-Up III connects via serial port, the external power supply is needed to ensure the digitizer has a constant power source. This is especially true if you are using the digitizer with a laptop computer. The power supply is not needed if the Roll-Up III connects via USB port.
Related QuestionsDo you have a power supply I can use for fieldbus?
Fieldbus FAQs : Relcom Inc.We do not manufacture devices to convert AC Mains power to 24VDC. All of our Fieldbus Power Conditioners require a nominal 24VDC power supply. MTL does manufacture a Class I Division 2 power supply. Please see their web site at www.mtl-fieldbus.com
Related QuestionsCan I use an alternative power supply for the console?
Vantage Pro FAQ [Prodata Weather Systems]Vantage Pro consoles can be powered from a stable DC source rather than mains power, including suitable car/caravan/boat supplies, by use of a small optional connector lead. (NB It is essential to use the correct Davis lead for this. Other leads are likely to damage the console.) VP consoles can also run for several weeks or months on their internal batteries, but see the question below.
Related QuestionsWhat kind of power supply do I need to use?
Shuttle * Products * Mainboards * Socket 478 * VIA-chipset *...Standard ATX power supply for AMD K7 and Intel PIII processor based mainboard is inadequate for this type of mainboard. Please use standard P4 power supply for AV40/R. Power supplies must comply with either the ATX12V or SFX12V design guidelines (see the http://www.formfactors.org/ for details) and supply additional current on the 12V power rail through a new 2x2 connector. Also, additional 3.
Related QuestionsHow to use the self power supply mode ?
ACKSYS - Services en ligneCertain adaptors of the ACKSYS range may operate by taking in supply from the control signals of RS232.
Related QuestionsWILL YOU SUPPLY PLAIN ENVELOPES?
Mekvale Envelopes PLCYes, we will supply plain, unprinted envelopes. If we, or in the case of a non stock envelope, the manufacturer, are in stock this should take no more than 2-3 days. Carriage is not charged on orders with a minimum value of £100.00 that are delivered to a London address. Deliveries outside of London are always subject to a carriage charge. This enables copy, artwork, photographs etc. to be transferred digitally from one computer to another.
Related QuestionsIs there any reason to use Nortel's training instead of another company, like Global Knowledge?
Black Box Resale Services: Frequently Asked QuestionsAs a matter of fact, Nortel recently outsourced its training to Global Knowledge. And yes, there is an advantage to using Global Knowledge. If you need Nortel certification, that's where you get it. If authentic certification is not necessary, other companies provide adequate training for some products.
Related QuestionsI like milk but it is high in carbs. What can I use instead?
Low Carb: How and Why?Try using Half and Half, or even better, use Heavy Cream. You can always dilute Heavy Cream with water to make it thinner if you want to. There are also powdered low carb milk products on the market. For hot cereals I prefer a little heavy cream, but for cold cereals my choice is Hoods Milk because it only has 3 grams of carbs per 8 oz. Soy milk is another option.
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