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Monday, April 09, 2007

Electronic mixer

An elepctronic mixer is a device for addition two or more electronic signals. There are two basic types of mixer. Additive mixers add two signals together, and are used for such applications as audio mixing. Multiplying mixers multiply the signals together, and create an output containing both original signals, and new signals that have the sum and dissimilarity of the frequency of the original signals.Additive mixers are typically resistor networks, surrounded by impedance matching and amplification stages.Multiplying mixers have been done in a wide range of ways. The most popular are diode mixers, gilbert cell mixers, diode ring mixers and switching mixers.

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