This circuit is from a 1968 Motorola power circuit manual. The circuit uses transistors of the time. The passing band is 45 Hz to 100 kHz.
The circuit shown in the figure generates a rectangular signal whose frequency depends on C1. For...
We found this circuit in a Popular Electronics from the 90s. It operates at a frequency of 15 kHz....
We found this circuit in 2005 Linear Technology documentation. MPOSFET is load-matched. The...