The two circuits shown show how to obtain an SSB / CW control for receiving this signal top at a common receiver. The circuits were found in an old American manual from the 80's.
This amplifier for recording heads was found in a Radio Electronics from September 1963. The...
A negative floating regulator capable of supplying an output voltage of -100 V with regulation of 20 mV for...
This circuit allows controlling a LASER pointer with an input logic signal. R has 10 ohm for 3 V...