With this circuit, signals in the range of 10 kHz to 150 kHz can be received at close to 4 MHz from a shortwave receiver. The circuit is from a 303 Circuits from the 90s.
This circuit was suggested by National Semiconductor in its 1994 Linear Applications Handbook. The...
This 600-ohm line driver was found in a 1980s documentation. The integrated circuit used is not...
Using the ICM7556, dual CMOS version of the 555, this circuit generates triangular signals from 1 to...