Found in Texas Instruments documentation from the 1980s, this circuit applies to digital signal transmission with FSK modulation. The circuit is slow, as it uses period components.
Although not using transformers, this amplifier may have difficulty mounting if the original...
This flip-flop or bistable multivibrator is triggered by a signal applied to the base of the...
The integrated circuit used in this regulator is not very common today. The circuit is from old...