In the figure we have an IF amplifier step using a MOSFET. The circuit was found in a 1980s documentation, intended for FM receivers of the time.
This 12.5 W quasi-complementary amplifier was found in a 1969 General Electric publication. Note the high...
This filter has a cut-off frequency of 1 kHz by letting pass those that are above this value. The...
Placed near a telegraphic transmitter (CW) and with a small antenna or pickup, it reproduces the...