This low power audio amplifier was found at 1992s Popular Electronics. Transistors are general purpose common types.
This two-tone decoder has a bandwidth of 24%. The circuit is from a 1994 Electronics Now. The...
WWV is the prefix for the United States' time and frequency patterns station. These signals can be used...
This CMOS circuit divides the frequency of a rectangular signal up to 2 MHz by 6. The supply...