Found in the 1976 Siemens transistors manual, this circuit works with AM or FM IF signals. In the diagram information is given for the coils.
The presented circuit was suggested by the 1994 Linear Applications Handbook from National...
This circuit generates signals in the range of 50 kHz to 1 MHz with a rectangular waveform. The...
This circuit activates a relay when the conducting bars (probes) are held by a person. The circuit is...