Heart Monitor –Transmitter (CB25406E)

This circuit was found in a Radio Electronics magazine from November 1991. The circuit operates at 2.2 MHz and has a low impedance output.

| Clique na imagem para ampliar |

APS1 Series of Optical Couplers
May 2017 - Panasonic's new APS1 series of optical couplers with 3 750 V insulation and up to 50...
Sound switch or Vox (CB9215E)
Found in an EDN from the 90s, this circuit uses an electret microphone. The output can be used to...
Telephone Test (CB16866E)
The purpose of this circuit, found in a 1994 documentation, is to provide resources for testing...