Touch Switch with Active Remote Circuit using PN2907, 2N2222, 74C14
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Best Audio Active high pass filter
Best Audio Active high pass filter circuit using LM741 Best Audio Active high pass filter circuit using LM741
10A Stabilized Power Supply circuit
3A, 5A, 10A Stabilized Power Supply circuit LM723, 2N3055, 3055T
DC power converter
DC power converter 12V DC to 120V DC The most obvious approach would be to make a DC power converter 12V DC to 120V DC, output at 50 or 60 Hz, but this requires a rather large and heavy transformer. So it’s better to use a high frequency, at least 25kHz, so a very small […]
18W Audio Amplifier Circuit using TDA1521
18W Audio Amplifier Circuit using TDA1521
The LM555 Timer 2 part 9
The LM555 Timer 2 part 9
