This amplifier was obtained in a Harris documentation from the 90s. The circuit is high speed with a gain product x 300 MHz pass band.
This circuit was found in old publication from 1958. The circuit uses germanium transistor, common in...
This different power control circuit with SCR was obtained from a 1967 magazine. The SCR can be...
This circuit was obtained from a 1965 Radio Electronics. The semiconductors used admit modern...