Title :
An X/Ku-band frequency synthesizer using a 9-Bit quadrature DDS
Author :
Yu, Xuefeng ; Dai, Fa Foster ; Yang, Dayu ; Irwin, J. David ; Jaeger, Richard C.
Author_Institution :
Dept of Electr. & Comput. Eng., Auburn Univ., Auburn, AL
Abstract :
This paper presents an X/Ku-band fine-tuning frequency synthesizer using a quadrature DDS implemented in a 0.18 mum SiGe BiCMOS technology. The frequency synthesizer comprises a 9-bit quadrature DDS, an 11.7 GHz quadrature VCO and image rejection mixers. The outputs of the quadrature DDS are down-converted to 9.4~11.7 GHz and up-converted to 11.7~14.0 GHz, respectively. The die area of the synthesizer is 3.0times3.0 mm2 and the power consumption is 2.6 W under a 3.3 V supply. The chip is measured with a 48-pin leadless free ceramic package and external cooling.
Keywords :
BiCMOS integrated circuits; Ge-Si alloys; ceramic packaging; direct digital control; direct digital synthesis; microwave mixers; microwave oscillators; voltage-controlled oscillators; 48-pin leadless free ceramic package; BiCMOS technology; SiGe; X/Ku-band fine-tuning frequency synthesizer; direct digital synthesis; frequency 11.7 GHz; image rejection mixers; power 2.6 W; quadrature DDS; quadrature VCO; size 0.18 mum; voltage 3.3 V; voltage controlled oscillator; word length 9 bit; BiCMOS integrated circuits; Ceramics; Energy consumption; Environmentally friendly manufacturing techniques; Frequency synthesizers; Germanium silicon alloys; Packaging; Semiconductor device measurement; Silicon germanium; Voltage-controlled oscillators;
Conference_Titel :
Custom Integrated Circuits Conference, 2008. CICC 2008. IEEE
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4244-2018-6
Electronic_ISBN :
978-1-4244-2019-3
DOI :
10.1109/CICC.2008.4672128
