Title :
A Low Phase Noise CMOS Voltage-Controlled SAW Oscillator for OC-192 Applications
Author :
Lin, Jon-Hong ; Kang, Nai-Yuan ; Kao, Yao-Huang
Author_Institution :
Inst. of Commun. Eng., Nat. Chiao-Tung Univ., Hsinchu
Abstract :
A surface acoustic wave (SAW) resonator based oscillator was developed in response to OC-192 applications. The effects of parasitic capacitance were investigated. This oscillator was fabricated by tsmc 0.18 mum CMOS process. The oscillator´s white phase noise floor is -175 dBc/Hz for carrier offset frequency greater than 1 MHz and -136 dBc/Hz at 10 kHz carrier offset. The oscillator provides 4.0 dBm of output power and consumes 15 mA from +1.2 V DC power supply.
Keywords :
CMOS integrated circuits; UHF integrated circuits; UHF oscillators; phase noise; surface acoustic wave resonators; voltage-controlled oscillators; CMOS voltage-controlled oscillator; OC-192 applications; SAW oscillator; carrier offset frequency; current 15 mA; frequency 10 kHz; low phase noise oscillator; parasitic capacitance effect; size 0.18 mum; surface acoustic wave resonator; voltage 1.2 V; white phase noise; Capacitance; Circuits; Insertion loss; Microwave communication; Optical resonators; Phase noise; Resonance; Resonant frequency; Surface acoustic waves; Voltage-controlled oscillators; CMOS; Oscillator; SAW; VCSO;
Conference_Titel :
Microwave Conference, 2007. APMC 2007. Asia-Pacific
Conference_Location :
Bangkok
Print_ISBN :
978-1-4244-0748-4
Electronic_ISBN :
978-1-4244-0749-1
DOI :
10.1109/APMC.2007.4554951
