JFET amplifier stage (CB7523E)

This circuit was found in a 1982 Maplin documentation. The configuration applies to almost any JFET.

Photoelectric Flasher (CB1303E)
When the illumination decreases, this multivibrator starts up, causing the lamp to blink at a...
AC DC indicator (CB7011E)
Found in Radio Electronics, this simple indicator circuit uses general-purpose transistors common today....
TLP78x and TLP79x isolation amplifiers (COM125E)
November 2016 - Mouser Electronics is makingToshiba's new TLP78x and TLP79x isolation amplifiers...