This two-digit (up to 99) circuit divides a signal by values programmed by the BCD switches. The circuit comes from a Radio Electronics from February 1989.
This SCR thermostat circuit was obtained in a technical documentation from the 1980s. Some...
This differential amplifier with high input impedance is used in instrumentation. Other...
We found this circuit in the August 1974 issue of Radio Electronics magazine. The power transistor must...