72Hz to 5kHz VCO (CB24868E)

This circuit was found in November 1984 Radio Electronics magazine. The frequency is given by C1 which can be changed to other ranges.

| Clique na imagem para ampliar |

witching Noise Suppressor (CB13688E)
S The purpose of this circuit, found in a 1975 publication, is to suppress the noise that occurs when...
AM and FM IF calibrator (CB16767E)
This circuit generates signals for the calibration of IFI (Intermediate Frequency) of traditional AM and...
Electronic Thermometer 741 (CB24713E)
This dual-operator thermometer circuit was found in the September 1982 issue of Radio Electronics...