This audio circuit was published in a Rado Electronics issue from October 1963. The transistors are from the time and the output is low impedance. Power is supplied with a voltage of 12 V.
Found in English documentation from the 1980s, this circuit can use any germanium diode. The...
This circuit can be used to set the compass for walks or exercises, being small enough to be...
We found this circuit in a Texas Instruments application manual. The circuit provides a...