This circuit that has a response from 10 Hz to 700 kHz was found in Philips documentation from 1968. Dual transistors can be replaced by matched pairs.
Line voltage compensation (CB8816E) This circuit for the alternating current line (AC line) was...
September 2017 - IXYS Class X2 to 700 MOSFETs can now be purchased from Mouser Electronics....
Depending on the value of C1, this oscillator can produce signals of up to 1 MHz. For a capacitor of 10...