Two batteries reflex receiver (T1655E)

This receiver circuit was found in documentation from 1924. The circuit uses two batteries, the high voltage one being 90 V.

| Clique na imagem para ampliar |

Simple low frequency receiver (CB9145E)
This circuit was found in a 90s Popular Electronics. The circuit uses components from that time,...
Two-Transistor Oscillator (MSB019E)
The circuit is a multivibrator version using two NPN general purpose transistor. This circuit can...
Power on delay (CB10002E)
When the supply is established, the load only receives the supply some seconds later, a time that...