This is the circuit of a MW commercial radio obtained in a 1967 publication. The transistors are made of germanium and are powered by 4 common batteries.
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...