Found in a 90s Popular Electronics, it serves both TTL and CMOS logic. The injector can provide 10 kHz or 100 Hz signals. The circuit drives a transducer and two LEDs.
This interesting low current circuit uses only one diode to obtain a full wave rectified signal....
Common diodes when forward biased present a voltage fall of about 0.6 to 0.7 V. This voltage fall...
The circuit presented is from the 1997 LinearTechnology Applications. The circuit uses components of...