This filter was found in Exar documentation from the 1980s. The circuit has an attenuation of 60 dB at the selected frequency. The power supply must be symmetrical.
This circuit was found in the November 1992 issue of Radio Electronics magazine. The circuit has...
This small fluorescent lamp inverter (up to 20 W) can be powered by 12 V battery and even less. The...
This interesting circuit converts BCD signals into a voltage that can be used in an analog...