Found in Philips documentation from 1968 this circuit operates at frequencies up to 10 MHz with 76 dB gain. The double transistor can be replaced by a matched pair.
This is a common crystal oscillator configuration with 80s transistors. The circuit has the...
We find this circuit in a 2005 Linear Technology manual. The circuit applies to small DC motors...
It can be obtained from Mouser Electronics new TPS54A20 Texas Instruments consisting of step-down...