This circuit is from the 1982 SGS Linear Circuits Manual. The circuit provides currents from 35 mA to 1.5 mA set at P1 and Vref voltages at 26 V set at P2.
This simple field strength meter was found in a 1967 documentation. The transistor is germanium, and the...
This is yet another version of the light-controlled oscillator that can be found on this website. This...
Found in a 1969 documentation, this circuit for the 20 MHz band does not use a transformer. The circuit is...