Receiver for the 40m band LM602 (CB25305E)

This circuit uses an FM IF transformer for tuning. The circuit is from a Radio Electronics magazine from April 1990.

RIAA LM318 Pre-Amplifier (CB14379E)
The LM318 is not a common component today. The circuit is suggested by National Semiconductor in...
Negative voltage source 555 (CB8131E)
Found elsewhere in this section, this circuit produces an output voltage approximately twice that...
VHV Generator (CB17089E)
This very high voltage (VHT)generator was found in a 1995 documentation. The transistors must be...