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9-3: Frequency Conversion
Mixer and Converter Circuits: IC Mixer
The NE602, a typical IC mixer, is also known as a Gilbert transconductance cell or Gilbert cell.
It consists of a double balanced mixer circuit made up of two cross-connected differential amplifiers.
Mixer and Converter Circuits: Image Reject Mixer
An image reject mixer is a special type of mixer used in designs in which images cannot be tolerated.
It uses Gilbert cell mixers in a configuration like that used in a phasing-type SSB generator.