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Self-Oscillating Mixer(SOM) With 0.18 μm CMOS Technology

Author(s): Masoud Sabaghi | Sayed Reza Hadianamrei | Bahareh Rezaei | Mehdi Rahnama | Maziyar Niyakan Lahiji

Journal: International Journal of Communications, Network and System Sciences
ISSN 1913-3715

Volume: 04;
Issue: 11;
Start page: 739;
Date: 2011;
Original page

Keywords: Self-Oscillating Mixer (SOM) | VCO | CMOS | Up-Conversation Mixer

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.
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