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.
This oscillator generates a fixed frequency signal determined by C1 and C2. In the case of 1 nF,...
This circuit has a gain of 10 for DC signals. The circuit is from a Radio Electronics from May...
This circuit operates at 27 MHz serving as a receiver for the transmitter formed by CB18526 and...