The circuit selected is from the 1960 Mullard transistor reference manual. The circuit is powered by a single 1.3 V battery and the transistors are germanium.
With the components indicated, the circuit oscillates at 20 MHz. The coils and capacitors can be...
We found this preamplifier circuit with high input resistance, on the order of 30 M ohms, in an...
This symmetrical 1.2 to 35 V source was found in a 1994 documentation. The integrated circuits are...