This 5.1 MHz circuit was found in a 1980s documentation. The frequency is given by the crystal and general purpose transistors can be used.
We found this circuit in an integrated circuit cookbook from 1974. The circuit can provide larger...
This Linear Technology circuit can measure currents from 100 pA to 100 uA. The circuit is from the...
When the base of the general purpose transistor is grounded the circuit produces a signal that is given...