Suggested by a 1965 Electronic Design, this circuit has a gain of 15 dB at 45 MHz and can be changed to operate on other frequencies. The tetrode FET is an uncommon component today.
This 1960s Japanese 5-transistor radio is powered by 9 V and has good sensitivity for the medium...
This circuit was obtained in an old Linear Technology documentation by applying to the monitoring of...
Found in the 1976 Siemens transistors manual, this circuit works with AM or FM IF signals. In the...