A single-pole four-throw(SP4T)RF switch with charge-pump-based controller is designed and implemented in a commercial 130-nm silicon-on-insulator(SOI)CMOS process.An improved body self-biasing technique based on diode...
Project supported by the National Science and Technology Major Project of China(No.2011ZX03004-002-01)
A novel voltage-controlled oscillator(VCO) topology with low voltage and low power is presented. It employed the inductive-biasing to build a feedback path between the tank and the MOS gate to enhance the voltage ga...
Two broadband detectors at W-band and D-band are analyzed and designed with low barrier Schottky diodes. The input circuit of the detectors is realized by low and high impedance microstrip lines, and their output circ...
Project supported by the Guangxi Natural Science Foundation of China(No.2010GXNSFB013054);the Guangxi Key Science and Technology Program of China(No.11107001-20)
A novel silicon double-RESURF LDMOS structure with an improved breakdown characteristic by substrate bias technology(SB) is reported.The P-type epitaxial layer is embedded between an N-type drift region and an N-typ...
As SOI-CMOS technology nodes reach the tens ofnanometer regime, body-contacts become more and more ineffective to suppress the floating body effect. In this paper, self-bias effect as the cause for this failure is ana...
Project supported by the National Basic Research Program of China(No.2010CB327503);the National Natural Science Foundation of China(No.60890191)
The method of multi-bias capacitance voltage measurement is presented. The physical meaning of gate-source and gate-drain capacitances in AlGaN/GaN HEMT and the variations in them with different bias conditions are di...
supported by the National Natural Science Foundation of China(No.60676013)
An improved switched-capacitor bandgap reference with a continuous output voltage of 1.26 V has been implemented with Chartered 0.35-μm 5-V CMOS process. The output offset voltage, induced by non-ideal characteristic...
the National Natural Science Foundation of China(No.60276021);the State Key Development Program for Basic Research of China(No.G2002CB311901)~~
A fully integrated 3GHz low-power and low-phase-noise voltage-controlled oscillator (VCO) with a self-biasing current source was implemented in a standard 0.18μm CMOS process. A trade-off between noise and power wa...
A compact Ka-band monolithic microwave integrated circuit(MMIC) voltage controlled oscillator (VCO) with wide tuning range and high output power,which is based on GaAs PHEMT process,is presented.A method is introduced...