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 circuit was originally found in Radio Electronics magazine, enabling the transmission of...
Found in Fairchild documentation from the 90s, this circuit generates signals with the...
We found this circuit in the October 1992 Radio Electronics magazine. The frequency is given by C1...