Published in the September 1973 issue of Radio Electronics magazine, this diagram may be useful to restorers, since the integrated circuit is no longer manufactured.
This amplifier with two transistors for analog instruments was found in a Raytheon publication from the...
Using a ceramic resonator, it is possible to vary the frequency between 4.9 MHz and 5 MHz. The...
This operational filter configuration was obtained in a 1980s publication. The calculation is made by the...