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2. Frequency mixer - Wikipedia

   en.wikipedia.org/wiki/Frequency_mixer

   Selection of a mixer type is a trade off for a particular application. [2] Mixer circuits are characterized by their properties such as conversion gain (or loss), noise figure and nonlinearity. [3] Nonlinear electronic components that are used as mixers include diodes and transistors biased near cutoff.

3. Electronic mixer - Wikipedia

   en.wikipedia.org/wiki/Electronic_mixer

   A multiplier (which is a nonlinear device) will generate ideally only the sum and difference frequencies, whereas an arbitrary nonlinear block will also generate signals at 2·f 1-3·f 2, etc. Therefore, normal nonlinear amplifiers or just single diodes have been used as mixers, instead of a more complex multiplier.

4. Diodes Incorporated - Wikipedia

   en.wikipedia.org/wiki/Diodes_Incorporated

   On 26 December 2023, Diodes announced that Gary Yu would become president as of 2 January 2024 and Dr. Keh Shew Lu will remain chairman and CEO until at least 31 May 2027. [ 15 ] [ 16 ] [ 17 ] Diodes Incorporated in Plano, Texas

5. WVTF - Wikipedia

   en.wikipedia.org/wiki/WVTF

   WVTF (89.1 FM) is a non-commercial educational radio station licensed to serve Roanoke, Virginia, featuring a public radio format branded "Radio IQ". Owned by Virginia Polytechnic Institute and State University (Virginia Tech) through its fundraising arm, the Virginia Tech Foundation, [3] the station carries programming from NPR, the Public Radio Exchange, American Public Media and the BBC ...

6. Phase detector - Wikipedia

   en.wikipedia.org/wiki/Phase_detector

   A mixer-based detector (e.g., a Schottky diode-based double-balanced mixer) provides "the ultimate in phase noise floor performance" and "in system sensitivity." since it does not create finite pulse widths at the phase detector output. [2] Another advantage of a mixer-based PD is its relative simplicity. [2]

7. IQ imbalance - Wikipedia

   en.wikipedia.org/wiki/IQ_imbalance

   IQ imbalance is a performance-limiting issue in the design of a class of radio receivers known as direct conversion receivers. [ a ] These translate the received radio frequency (RF, or pass-band ) signal directly from the carrier frequency f c {\displaystyle f_{c}} to baseband using a single mixing stage.

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9. Frequency multiplier - Wikipedia

   en.wikipedia.org/wiki/Frequency_multiplier

   Frequency multipliers have much in common with frequency mixers, and some of the same nonlinear devices are used for both: transistors operated in Class C and diodes. In transmitting circuits many of the amplifying devices ( vacuum tubes or transistors) operate nonlinearly and create harmonics, so an amplifier stage can be made a multiplier by ...