This work is supported by the Macao Science and Technology Development Fund(FDCT)under Grant 0041/2022/A1;by the Research Committee of University of Macao under Grant MYRG2022-00004-IME.
Switched-capacitor(SC)DC-DC converter[1]is an impor-tant alternative to inductive DC-DC converter,in terms of removing the bulky power inductor.Hence,it is widely used in low-profile,low-power applications,such as the...
partially supported by the Jiangsu Province Science Foundation for Youths (No. BK20170431);the National Natural Science Foundation of China (No. 61604171)。
Laser photovoltaic devices converting 1064 nm light energy into electric energy present a promising prospect in wireless energy transmission due to the commercial availability of high power 1064 nm lasers with very sm...
Project financially supported by the National Natural Science Foundation of China(No.61376065);Zhongtian Technology Group Co.Ltd
Four-junction A1GaAs/GaAs laser power converters (LPCs) with n+-GaAs/p+-A10.37Ga0.63As hetero- structure tunnel junctions (TJs) have been designed and grown by metal-organic chemical vapor deposition (MOCVD) f...
supported by the National Natural Science Foundation of China(Nos.61234002,61006028);the National High-Tech Program of China(Nos.2012AA012302,2013AA014103);the PhDProgram Foundation of Ministry of Education of China(No.20120203110017)
A programmable high precision multiplying DAC (MDAC) is proposed. The MDAC incorporates a frequency-current converter (FCC) to adjust the power versus sampling rate and a programmable operational am- plifier (POT...
A 2.4 GHz, direct-conversion RF transmitter front-end with an up converter and PA driver is fabricated in a 0.13/zm CMOS process for the reliable transmission of 54 Mb/s OFDM signals. The front-end output power is -3 ...
supported by the National Natural Science Foundation of China(No.61006025);the Special Research Funds for Doctoral Program of Higher Education of China(No.20100071110026)
A sampling switch with an embedded digital-to-skew converter(DSC) is presented.The proposed switch eliminates time-interleaved ADCs' skews by adjusting the boosted voltage.A similar bridged capacitors' charge sharing ...
A low power mixed signal DC offset calibration (DCOC) circuit for direct conversion receiver applica- tions is designed. The proposed DCOC circuit features low power consumption, fast settling time and a small die a...
To improve the power sequencing performance of the system-on-a-chip(SOC),a novel embedded soft-start circuit is presented.A seamless soft-start reference voltage is obtained with 7 bits DAC,which can not only restra...
supported by the National Natural Science Foundation of China(Nos.60676009,60725415,60971066,60803038);the National High-Tech Program of China(Nos.2009AA01Z258,2009AA01Z260).
Large transmission power consumptions and excessive interconnection lines are two shortcomings which exist in conventional network-on-chips. To improve performance in these areas, this paper proposes a full asynchrono...
This paper introduces a high-revolution,200kHz signal bandwidth EA modulator for low-IF GSM receivers that adopts a 2-1 cascaded single-bit structure to achieve high linearity and stability. Our design is realized in ...