This circuit with a differential pair was found in the August 1974 Radio Electronics magazine. The frequency is determined by L1 and the variable capacitor.
This digital mixer uses CMOS integrated circuits. The circuit was published by us in a magazine...
This precision circuit can provide timings from 0.2 milliseconds to 3 minutes accurately. The...
The amplifier presented is ideal for use in small monophonic sound systems, radios or televisions powered...