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 old oscillator using germanium transistors has a high impedance headphone as inductor to...
The double T of this circuit makes it amplify only the 1 kHz signals. The circuit can be used as a...
This oscillator can produce 2 to 10 MHz signals depending on the coils used. The transistors can...