2024_11_tme

Capacitive Switch (CB4994E)

Details
Written by: Newton C. Braga

 

     This capacitive switch or approximation relay was found in a 1980s US publication. Power should not be from a transformerless power supply and could be 741. The FET could be any general purpose such as the BF245.

 


 

 

 

 

  

Latest

Circuit Bench

  • Noise Limiter (CB946E)

    This circuit cut the noise peaks by means of diodes so that they do not appear in the output...

  • P7 CoolMOS Transceivers

    May 2017 - Mouser Electronics announced the availability of the new P7 CoolMOS transistors from...

  • Wien Bridge Oscillator (CB4690E)

           This interesting sine wave oscillator circuit for the audio track uses an incandescent light bulb...

Datasheets


N° of component