Automatic TV turn off (CB10090E)

Details: Written by: Newton C. Braga

Circuit Bench

555 Monostable with Negative Trigger and Reset (CB9420E)
This configuration was found in a 1976 documentation. Note the use of pin 4 input for reset. The...
Blocking Oscillator (CB25644E)
This circuit was found in the December 1993 issue of Electronics Now. With the components shown the...
Transceiver relay interface (CB7832E)
This circuit was found in a 73 magazine for radio amateurs from the 90s. The circuit uses high...