Found in a 1965 Electronic Design, this circuit generates adjustable pulses between 200 uA and 10 mA. The components admit equivalents. Pulse duration is 1 us.
Found in a 73 magazine for radio amateurs of the 1980s, this circuit uses a dual-gate MOSFET. This...
This is a bridge for the measurement of low value resistances and high values too. The circuit...
This complementary or bilateral emitter follower was found in American documentation from the 90s....