Project supported by the National Natural Science Foundation of China(No.60876019);the National S&T Major Project of China(No. 2009ZX0131-002-003-02);the Shanghai Rising-Star Program(No.09QA1400300);the National Scientists and Engineers Service for Enterprise Program,China(No.2009GJC00046);the ASIC State-Key Laboratory Funding,China(No.09MS007)
A 10-bit 80-MS/s opamp-sharing pipelined ADC is implemented in a 0.18μm CMOS. An opamp- sharing MDAC with a switch-embedded dual-input opamp is proposed to eliminate the non-resetting and successive-stage crosstalk p...
Project supported by the National Natural Science Foundation of China(No.60876019);the National S&T Major Project of China(No. 2009ZX0131-002-003-02);the Shanghai Rising-Star Program,China(No.09QA1400300);the National Scientists and Engineers Service for Enterprise Program,China(No.2009GJC00046).
This paper presents a 25-MHz fully-integrated digitally controlled crystal oscillator(DCXO) with automatic amplitude control(AAC).The DCXO is based on Colpitts topology for one-pin solution.The AAC circuit is intr...
Project supported by the National Natural Science Foundation of China(No.60876019);the National S&T Major Project of China(No. 2009ZX0131-002-003-02);the Shanghai Rising-Star Program,China(No.09QA1400300);the National Scientists and Engineers Service for Enterprise Program,China(No.2009GJC00046).
This paper describes the design of a fractional-N frequency synthesizer for digital video broadcasting-terrestrial (DVB-T) receivers.Transfer functions in differentially-tuned PLL are derived and loop parameters are...
supported by the National High Technology Research and Development Program of China(No.2007AA01Z282);the National Natural Science Foundation of China(No.60876019)
A fully-differential charge pump(FDCP)with perfect current matching and low output current noise is realized for phase-locked loops(PLLs).An easily stable common-mode feedback(CMFB)circuit which can handle high ...