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 Features: 1.3-12.2 V, 1 A, over-current protection. This is a simple but reliable device based one of the oldest integrated voltage regulators of them all - the LM723.
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Category: Power |
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 This simple little circuit can be used for AM, FM, and Shortwave(SW). On the shortwave band this active antenna is comparable to a 20 to 30 foot wire antenna. It is further more designed to be used on receivers that use untuned wire antennas, such as inexpensive units and car radios.
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 A diode can fail in one of four ways. It can become open, shorted, leaky and intermittent. Just by using an analog meter, it can measure almost all of the symptoms except the intermittent failure. If you suspect the diode have intermittent problem, just direct replace it since diode replacement is quite easy to get and cheap too. Make sure you power off the equipment before checking it with your meter. |
A DC-to-DC converter is a device that accepts a DC input voltage and produces a DC output voltage of different voltage level than the input. There are two types of dc to dc converter circuits found in the CRT monitors.
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There are many methods of testing capacitor. It depends on individual as what type of testing equipment they want to use. Some prefer the old way while some are using the latest and expensive equipment.
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