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.
In the figure we have the way to use a shift register to divide the frequency of a signal by 9....
We found this circuit in Texas Instruments documentation from 1986. The circuit produces a...
This interesting transformerless class B output stage was found in a patent registration published in...