Similar to other circuits found in this section, this circuit is from a 1996 Electronics World; FET is general-purpose and the output circuit must be resonant at 100 kHz.
This loop antenna was found in a 1990s documentation. The circuit includes a field strength meter. The...
This circuit generates signals for adjustments in FIs of 10.7 MHz. The transistors can be BC548 or...
The circuit shown below was found in the National Semiconductor Linear Applications Handbook...