This circuit was obtained in the 1990 Motorola Linear Databook. The circuit uses a 139 series comparator, but other series can be used. The power source need not be symmetric.
July 2017 - Mouser Electronics announced the availability of the new NXP MRFX1K80 RF LDMOS...
This micro-transmitter for the FM band was found in documentation from the 90s. The circuit is...
This mixer was found in Silicon Chip documentation from the 90's. The circuit uses integrated...