Component · Analog, RF & Mixed-Signal
Mixer
A nonlinear or switching circuit that multiplies two signals to translate one in frequency, producing sum and difference products. It is how a radio moves between RF, intermediate and baseband frequencies.
- Also known as
- Frequency converter, Gilbert cell
- Type
- Component
- Domain
- Analog, RF & Mixed-Signal, RF front end
Notes
Passive switching mixers offer better linearity and no flicker noise; active Gilbert cells provide conversion gain instead.
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Part of the Analog, RF & Mixed-Signal glossary, with every term in the topic and the lifecycles, tools and standards that use them.
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