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Self-Oscillating Mixer(SOM) With 0.18 μm CMOS Technology
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International Journal of Communications, Network and System Sciences·Volume 04 (2011)·Pages 739–743·Published 31 October 2011·DOI10.4236/ijcns.2011.411091
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Abstract
self-oscillating mixer is introduced in this paper, with fundamental signal generated by the oscillator subcircuit in the process of mixing. The oscillator core consumes 3 mA of the current from a 1.8 V DC supply and leads to an output power of –0.88 dBm per oscillator, and a measured phase noise of –91, –102 and –107 dBc/Hz at 100 KHz, 600 KHz and 1 MHz from the carrier, respectively. The proposed mixer achieved IIP3 of 0 dBm in the process of mixing, with conversation gain of 1.93 dB. Designing and simulation the circuit was done in 0.18 μm CMOS technology by ADS2010.
KeywordsSelf-Oscillating Mixer (SOM)VCOCMOSUp-Conversation Mixer
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