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Mention valve amplifiers and many designers go depressive instantly over the thought of a suitable output transformer. The part will be i... -
When testing circuits with a logic probe, it is sometimes difficult to watch the LEDS on the probe to determine the logic state. With this ... -
It is often useful for audio or video equipment to be switched off automatically after there has been no input signal for a while. The ... -
Voltage Twins Circuit Diagram of a very simple voltage doubler using NE555 timer is shown here. Here IC NE555 is wired as an astable m... -
Most 3-terminal active components can be tested statically using just an ohmmeter. But when you have a lot of these devices to test, ...
