مقالات

بخش های آزمایشگاه

بخش های دانشکده

لینک های سریع

2017

AKA Hagh, SJ Ashtiani, and AAS Akmal, "A wideband, sensitive current sensor employing transimpedance amplifier as interface to Rogowski coil," Sensors and Actuators A: Physical 256, 43-50.
Y Koolivand, O Shoaei, S Jafarabadi-Ashtiani, "Capacitive cancellation technique in design of CMOS low noise amplifier for ultrasound applications," Analog Integrated Circuits and Signal Processing, 1-7.

2016

H Helalian, G Pasandi, S Jafarabadi Ashtiani, "A robust low quiescent current power receiver for inductive power transmission in bio implants," International Journal of Electronics, 1-14.
M Bagheri, X Cheng, J Zhang, S Lee, S Ashtiani, A Nathan, "Threshold Voltage Compensation Error in Voltage Programmed AMOLED Displays," Journal of Display Technology 12 (6), 658-664.
I Ghotbi, M Najjarzadegan, A Esmailiyan, S Jafarabadi Ashtiani, O Shoaei, "A Wireless Pulsed-Current Battery Charger for Implantable Biomedical Stimulators ," IEEE 59th International Midwest Symposium on Circuits and Systems (MWSCAS), 2016.
I Ghotbi, A Esmailiyan, S Jafarabadi Ashtiani, and O Shoaei, "Extended Coupling-Range Wireless Power Transfer Using 0× / 4× Resonant Regulating ," IEEE 59th International Midwest Symposium on Circuits and Systems (MWSCAS), 2016.
A Esmailiyan, I Ghotbi, and O Shoaei, "A Power Optimized Switched-Capacitor Based Approach in Voltage-Controlled Cardiac Stimulation," IEEE 59th International Midwest Symposium on Circuits and Systems (MWSCAS), 2016.
M Najjarzadegan, I Ghotbi, SJ Ashtiani, O Shoaei, "A Double-Carrier Wireless Power and Data Telemetry for Implantable Biomedical Systems", Circuits and Systems (ISCAS), 2016 IEEE International Symposium on, 2038-2041.
A Esmailiyan, E Ghaderi, I Ghotbi, O Shoaei, "A CMOS pseudo-exponential current-output DAC with code-dependent body-biasing," Analog Integrated Circuits and Signal Processing 88 (1), 127-136.
A Esmailiyan, A Shaker, I Ghotbi, O Shoaei, "A charge-pump based multi-mode stimuli generator for cardiac pacemaking," New Circuits and Systems Conference (NEWCAS), 2016 14th IEEE International, 1-4.
FB Mooziraji, O Shoaei, "A high power efficient multi-waveform current stimulator used in implantable neural stimulation," Analog Integrated Circuits and Signal Processing 86 (3), 459-469.
R Shirafkan, MM Abdevand, M Ghanbari, O Shoaei, MJ Yazdanpanah, "Design and implementation of a nonlinear controller for thermal cycler with application to DNA amplification," Transactions of the Institute of Measurement and Control 38 (3), 293-304.

2015

I Ghotbi, M Najjarzadegan, SJ Ashtiani, O Shoaei, and M Shahabadi, "3-coil orientation insensitive wireless power transfer for capsule endoscope," Electrical Engineering (ICEE), 2015 23rd Iranian Conference on, 1249-1254.
R Ranjandish, and O Shoaei, "A low-power digitally closed-loop electrical stimulator suited for low-pulse-width-stimulation," Electrical Engineering (ICEE), 2015 23rd Iranian Conference on, 1393-1397.

2014

A Abadian, and S Jafarabadi-Ashtiani, "Paper-based digital microfluidics," Microfluidics and nanofluidics 16 (5), 989-995.
M Pashaeefar, and S Jafarabadi Ashtiani, "A novel 8-bit 20-MS/s folded residue amplification based pipelined ADC," Analog Integrated Circuits and Signal Processing 79 (1), 177-182.
R Ranjandish, and O Shoaei, "Polarity detection base pulse insertion for active charge balancing in electrical stimulation," Biomedical Engineering and Sciences (IECBES), 2014 IEEE Conference on, 38-41.

R Ranjandish, A Agharasooli, M Tayarani, and O Shoaei, "A passive implantable biopotential measurement sensor with an inductive coupled readout circuit," Electrical Engineering (ICEE), 2014 22nd Iranian Conference on, 270-273.
R Ranjandish, and O Shoaei, "A simple and precise charge balancing method for voltage mode stimulation," Biomedical Circuits and Systems Conference (BioCAS), 2014 IEEE, 376-379.

2013

AR Belabad, N Masoumi, SJ Ashtiani, "A fully integrated 2.4 GHz CMOS high power amplifier using parallel class A&B power amplifier and power-combining transformer for WiMAX application," AEU-International Journal of Electronics and Communications 67 (12), 1030-1037.
A Foroughi, M Mehrpoo, SJ Ashtiani, "Circuit-level optimisation of a: Si TFT-based AMOLED pixel circuits for maximum hold current," International Journal of Electronics 100 (11), 1483-1498.
AR Belabad, N Masoumi, SJ Ashtiani, N Sehatbakhsh, "A fully integrated linear CMOS power amplifier with high output power and dynamic range for WiMAX application," 8th Design & Technology of Integrated Systems in Nanoscale Era (DTIS), 2013.
I Madadi, S Jafarabadi Ashtiani, N Masoumi, "Optimization of Power and Area in Low-Noise CMOS Bio-Signal Amplifiers," Journal of Electrical Systems and Signals 1 (1).
EZ Tabasy, M Kamarei, SJ Ashtiani, S Palermo, "Sequential correlated level shifting: a switched-capacitor approach for high-accuracy systems," IEEE Transactions on Circuits and Systems II: Express Briefs 60 (12), 857-861.
A Roshan-Zamir, SJ Ashtiani, "A new method for measurement of low-frequency noise of MOSFET," IEEE Transactions on Instrumentation and Measurement 62 (11), 2993-2997.

2000-2012

M Yavari, O Shoaei, "A 3.3 V Second-Order Sigma-Delta Modulator for Digital Audio," ISCAS 4, 409-412, 2000.
M Amiri, AR Zamir, S Shahin, SJ Ashtiani, "A novel 3-TFT AMOLED pixel driver for threshold voltage shift compensation," Electronics Design, Systems and Applications (ICEDSA), 2012 IEEE.
SA Mirhaj, A Norouzpour-Shirazi, S Jafarabadi-Ashtiani, O Shoaei, "High speed sample and hold design using closed-loop pole-zero cancelation," Microelectronics Journal 42 (12), 1353-1358, 2011.
AN Shirazi, SA Mirhaj, SJ Ashtiani, O Shoaei, "Linearity improvement of open-loop NMOS source-follower sample and hold circuits," IET circuits, devices & systems 5 (1), 1-7, 2011.
EZ Tabasy, M Kamarei, SJ Ashtiani, "1.5-bit mismatch-insensitive MDAC with reduced input capacitive loading," Electronics letters 45 (23), 1157-1158, 2009.
MB Vahidfar, O Shoaei, F Svelto, "A high dynamic range multi-standard CMOS mixer for GSM, UMTS and IEEE802. 11b-ga applications," Radio Frequency Integrated Circuits Symposium, 2008. RFIC 2008. IEEE, 193-196.
MB Vahidfar, O Shoaei, "A CMOS high IIP2 mixer for multi-standard receivers," Circuits and Systems, 2008. ISCAS 2008. IEEE International Symposium on, 656-659, 2008.
MB Vahidfar, O Shoaei, "An IIP2 calibration technique for CMOS multi-standard mixers," Circuits and Systems, 2008. ISCAS 2008. IEEE International Symposium on, 916-919, 2008.
M Rezaei, E Zhian-Tabasy, SJ Ashtian, "Slew rate enhancement method for folded-cascode amplifiers," Electronics Letters 44 (21), 1226-1228, 2008.
S Hashemi, O Shoaei, "A 0.9 V 10-bit 100 MS/s switched-RC pipelined ADC without using a front-end S/H in 90nm CMOS," Circuits and Systems, 2008. ISCAS 2008. IEEE International Symposium on, 13-16.
MB Vahidfar, O Shoaei, "A high IIP2 mixer enhanced by a new calibration technique for zero-IF receivers," IEEE Transactions on Circuits and Systems II: Express Briefs 55 (3), 219-223, 2008.
A Norouzpour-Shirazi, SA Mirhaj, SJ Ashtiani, O Shoaei, "A novel low power 1 GS/s S&H architecture with improved analog bandwidth," IEEE Transactions on Circuits and Systems II: Express Briefs 55 (10), 971-975, 2008.
MB Vahidfar, O Shoaei, "A new IIP2 enhancement technique for CMOS down-converter mixers," IEEE Transactions on Circuits and Systems II: Express Briefs 54 (12), 1062-1066, 2007.
S Hashemi, O Shoaei, "A 0.9-V 10-bit 100-MSample/s pipelined ADC using switched-RC and opamp sharing techniques," Circuits and Systems, 2007. MWSCAS 2007. 50th Midwest Symposium on, 928-931.
MB Vahidfar, O Shoaei, "A triple mode LNA enhanced by dual feedback loops for multi standard receivers," Circuits and Systems, 2006. MWSCAS'06. 49th IEEE International Midwest.
H Shamsi, S Radiom, O Shoaei, R Lotfi, "A Straightforward Design Methodology for Multi-Bit Continuous Time Delta Sigma Modulators," Circuits and Systems, 2006. MWSCAS'06. 49th IEEE International Midwest.
M Yavari, O Shoaei, A Rodriguez-Vazquez, "Double-sampled cascaded sigma-delta modulator topologies for low oversampling ratios," Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International.
B Tavassoli, O Shoaei, "Digital background calibration of pipeline ADC with open-loop gain stage," Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International.
MB Vahidfar, O Shoaei, M Fardis, "A low power, transverse analog FIR filter for feed forward equalization of gigabit Ethernet," Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International.
H Shamsi, O Shoaei, "A novel structure for the design of 2-1-1 cascaded continuous time delta sigma modulators," Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International.
H Zare-Hoseini, O Shoaei, I Kale, "A new structure for capacitor-mismatch-insensitive multiply-by-two amplification," Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International.
M Yavari, O Shoaei, A Rodriguez-Vazquez, "Systematic and optimal design of CMOS two-stage opamps with hybrid cascode compensation," Design, Automation and Test in Europe, 2006. DATE'06. Proceedings 1, 6 pp.
H Shamsi, O Shoaei, R Doost, "Power spectral density estimation of the clock jitter in a continuous time Delta Sigma modulator with non return to-zero DAC waveform," Electronics, Circuits and Systems, 2005. ICECS 2005. 12th IEEE International.
V Majidzadeh, O Shoaei, "A modified efficient reduced-sample-rate delta-sigma-pipeline ADC architecture," Circuits and Systems, 2005. 48th Midwest Symposium on, 527-530.
MB Vahidfar, AF Ahrnadi, M Fardis, O Shoaei, "A low power analog feed forward equalizer for gigabit Ethernet," Circuits and Systems, 2005. 48th Midwest Symposium on, 1354-1357.
H Zare-Hoseini, I Kale, O Shoaei, "Modeling of switched-capacitor delta-sigma modulators in SIMULINK," IEEE transactions on instrumentation and measurement 54 (4), 1646-1654, 2005.
M Yavari, O Shoaei, "High-order single-loop double-sampling sigma-delta modulator topologies for broadband applications," Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on.
R Lotfi, M Taherzadeh-Sani, O Shoaei, "Power consumption issues in high-speed high-resolution pipelined A/D converters," Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on.
A Zahabi, O Shoaei, Y Koolivand, P Jabehdar-Maralani, "A low-power/spl Delta//spl Sigma/modulator with low capacitor spread for multi-standard receiver applications," Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on.
N Maghari, O Shoaei, "A dynamic start-up circuit for low voltage CMOS current mirrors with power-down support," Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on.
Y Koolivand, O Shoaei, A Zahabi, H Shamsi, P Jabedar-Maralani, "A new technique for design CMOS LNA for multi-standard receivers," Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on.
M Yavari, O Shoaei, F Svelto, "Hybrid cascode compensation for two-stage CMOS operational amplifiers," Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on.
H Zare-Hoseini, O Shoaei, I Kale, "Multiply-by-two gain stage with reduced mismatch sensitivity," Electronics Letters 41 (6), 289-290, 2005.
M Yavari, N Maghari, O Shoaei, "An accurate analysis of slew rate for two-stage CMOS opamps," IEEE Transactions on Circuits and Systems II: Express Briefs 52 (3), 164-167, 2005.
M Yavari, O Shoaei, "Low-voltage sigma-delta modulator topologies for broadband applications," Circuits and Systems, 2004. ISCAS'04. Proceedings of the 2004 International.
M Taherzadeh-Sani, R Lotfi, O Shoaei, "A pseudo-class-AB telescopic-cascode operational amplifier," Circuits and Systems, 2004. ISCAS'04. Proceedings of the 2004 International.
N Maghari, M Yavari, O Shoaei, "An analytical model for the slewing behavior of CMOS two-stage operational transconductance amplifiers," Circuits and Systems, 2004. ISCAS'04. Proceedings of the 2004 International.
R Lotfi, M Taherzadeh-Sani, O Shoaei, "A 12-bit 40MSPS 3.3-V 56-mW pipelined A/D convereter in 0.25-um CMOS," IEEE International Symposium on Circuits and Systems, 69-72, 2004.
SJ Ashtiani, O Shoaei, SMR Hasan, A Jannesari, "On the parasitic-sensitivity of switched-capacitor summing-integrator structures for/spl Sigma//spl Delta/modulators," IEEE Transactions on Circuits and Systems II: Analog and Digital Signal.
M Taherzadeh-Sani, R Lotfi, H Zare-Hoseini, O Shoaei, "Design optimization of analog integrated circuits using simulation-based genetic algorithm," Signals, Circuits and Systems, 2003. SCS 2003. International Symposium on.
R Lotfi, M Taherzadeh-Sani, MY Azizi, O Shoaei, "A 1-V MOSFET-only fully-differential dynamic comparator for use in low-voltage pipelined A/D converters," Signals, Circuits and Systems, 2003. SCS 2003. International Symposium on.
M Yavari, O Shoaei, A Afzali-Kusha, "A very low-voltage, low-power and high resolution sigma-delta modulator for digital audio in 0.25-/spl mu/m CMOS," Circuits and Systems, 2003. ISCAS'03. Proceedings of the 2003 International.
B Nejati, O Shoaei, "Combined radix< 2 and 1.5 bit/stage pipelined analogue-to-digital converter," Electronics Letters 39 (1), 2-4.
H Zarei, O Shoaei, SM Fakhraie, "A 37 mW fully integrated GMSK modulator for DRRS standard in 0.6-/spl mu/m digital CMOS process," IEEE Transactions on Circuits and Systems II: Analog and Digital Signal.
J Talebzadeh, MR Hasanzadeh, M Yavari, O Shoaei, "A 10-bit 150-MS/s, parallel pipeline A/D converter in 0.6-/spl mu/m CMOS," ISCAS 2002. IEEE International Symposium on Circuits and Systems, 2002.
R Lotfi, O Shoaei, "A low-voltage low-power fast-settling operational amplifier for use in high-speed high-resolution pipelined A/D converters," ISCAS 2002. IEEE International Symposium on Circuits and Systems, 2002.
H Zarei, O Shoaei, M Fakhraie, "A low-power fully integrated Gaussian-MSK modulator based on the sigma-delta fractional-N frequency synthesis," Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International.
B Nejati, O Shoaei, "A 10-bit, 2.5-V, 40 M sample/s, pipelined analog-to-digital converter in 0.6-/spl mu/m CMOS," Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International.
P Amini, O Shoaei, "A low-power gigabit Ethernet analog equalizer," Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International.