This circuit operates at a voltage of 1.3 V from a single mercury cell. We found in an old documentation and for the components used the frequency is 500 kHz.
Quadrature Generator for Transistor and SCR Testing This circuit was found in US 1980s...
This circuit was found in a publication in the 1950s, mainly applying to germanium transistors of the...
This amplifier, to detect biological signals in implanted transmitters, uses transistors such as...