This circuit generates a sinusoidal signal with only -80 dB THD. The circuit was found in a 90's EDN. The frequency is 25 kHz and the components used are from that time.
In this circuit, which uses only diodes, we have both simultaneous functions. The diodes are...
This logic tester circuit was published in the November 1980 issue of Radio Electronics magazine. The...
This circuit was found in a 90s Popular Electronics. The circuit uses 4 bicolor LEDs to indicate...