Wireless Headset Transmitter (CB20970E)

Details
Written by: Newton C. Braga

 

This circuit was found in a Popular Electronics from the 90's. The CMOS integrated circuit used is not very common nowadays. The range depends on the infrared LEDs. R7 can be changed.

 

 


| Clique na imagem para ampliar |

 

 

 

  

Latest

Circuit Bench

  • Schmitt Trigger (CB21849E)

      We found this circuit in the 1974 Ferranti transistor manual. Transistors are from the time, being...

  • VHF receiver (CB17138E)

      This circuit includes a power stage with an integrated circuit that is uncommon today. Equivalents can be...

  • Microwave Leak Test (CB17442E)

      With this circuit, a common multimeter can be used to check if there is a microwave leak in a...

Buscador de Datasheets


N° de Componente