We found this circuit in a Popular Electronics from the 80s. This circuit eventually doesn't work with modern, higher speed controls. Experiments must be done.
This complementary-output amplifier can be used to source a good qualuty signal to high impedance...
This asymmetrical crossover filter was obtained from an 80s integrated circuit manual. The...
This circuit uses a common-cathode 7-segment display powered from a decoder and a 0-9 counter. The...