We found this circuit in the March 1980 Radio Electronics magazine. The circuit used is the HA2400 released at the time. The power supply must be symmetrical.
This sensitive multi-circuit and component prover uses two transistors and has a switch position where...
This video game is another of the AY3 series with the AY3-3606 integrated circuit. The circuit was found...
This power stage with two transistors was found in Radio Electronics magazine from October 1963....