This is the circuit of a modified Heathkit kit. The circuit was found in a Radio Electronics from December 1965. The author of the circuit included improvements to the original circuit.
This two-microphone amplifier was found in a April 1961 Radio Electronics Magazine. The circuit is...
The integrated circuit of this pulse generator is 4093 and the frequency can be between a fraction of...
Found in 90s Radio Electronics, this circuit is intended for amplifying analog video signals....