Self-biasing JFET circuit (CB25563E)

This JFET amplification stage was found in the April 1993 issue of Electronics Now. The input impedance is 10 Megohms.

Astable 555 (CB21101E)
This 50% duty cycle configuration was found in a Popular Electronics from the 1990s. The operating...
CMOS Touch Switch (CB5065E)
We found this circuit in an early American 80's documentation. We note that the first gate of the...
XTAL 20 MHz Sinusoidal Oscillator (CB14602E)
This circuit was found in the Linear Technology Applications of 1997. The circuit uses common...