Using the CMOS IC 4046 we found this VCO in the November 1984 Radio Electronics magazine. The center frequency is given by the capacitor. The maximum frequency is around a few megahertz.
S The purpose of this circuit, found in a 1975 publication, is to suppress the noise that occurs when...
This circuit generates signals for the calibration of IFI (Intermediate Frequency) of traditional AM and...
This dual-operator thermometer circuit was found in the September 1982 issue of Radio Electronics...