We found this circuit in the June 1987 issue of Radio Electronics magazine. With it, it is possible to receive signals from the bands determined by the crystals in a common medium wave receiver.
This amplifier can be used for public-address or other applications. Three transistors of the time...
We found this transistorized AM receiver of the regenerative type of excellent quality in a...
The division for an odd number needs the aid of some external logic in addition to the use of the...