Simple 5V regulator (CB8815E)

This simple 5.6 V regulator circuit was found in a 1966’s Philips. The zener can be changed to obtain other voltages.

ERB RD RE Series and RG Microcomputer Fuses
March 2017 - The new ERB-RD, ERB-RE and ERB-RG fuses from Panasonic's Micro Chip Fuses can now be...
FM Decoder (CB4601E)
Frequency modulated signals up to 500 kHz can be decoded with the PLL we show. The demodulated signal...
Visual dial indicator (CB9300E)
This circuit was obtained in a Popular Electronics of the 90s. The circuit can be assembled with...