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.
We find in a Radio Electronics of the 90s this low noise amplifier that makes use of an uncommon...
This circuit was found in 1968 General Electric documentation. The circuit uses components from the era...
This circuit may be used in IF steps of dual-conversion receivers, i.e., a type of receiver that uses...