Low-power, low-phase-noise tuned-input tuned-output VCO with loop gain enhancement
โ Scribed by Bui, Q.D.; Choi, H.S.; Oh, I.Y.; Shin, M.; Park, C.S.
- Book ID
- 120053657
- Publisher
- The Institution of Electrical Engineers
- Year
- 2012
- Tongue
- English
- Weight
- 340 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0013-5194
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## Abstract A lowโphaseโnoise voltageโcontrolled oscillator (VCO) has been demonstrated using a harmonically tuned LC resonance tank. In this circuit configuration, the voltage shape at the differential cell is almost rectangular; thus, the cell is switched effectively and the phase noise is reduce
## Abstract A low phase noise tunedโinput tunedโoutput (TITO) voltageโcontrolled oscillator (VCO) using PMOS transistors is presented in this article.The TITOโVCO, implemented using a 0.18 ฮผm RF CMOS process, resulted in a phase noise performance of โ118 dBc/Hz at 1 MHz offset from the center frequ