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.

Bargraph Peak Detector LM3915 (CB14385E)
This circuit was obtained in the National Semiconductor Linear Applications Handbook of 1994. The...
SCR Variable power supply (CB8894E)
This circuit was found in a Hands-On Electronics. Some restrictions must be considered as the need...
Skin Temperature Monitor (CB10960E)
This circuit was found in a 1987 magazine. It measures the resistance of the skin using a...