The circuit is from the 1990 Motorola Linear Databook. The circuit can be implemented with other operational amplifiers. The power supply must be symmetrical.
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...