1. 積體電路與系統組/電波組 呂良鴻副教授 博理館622室 lhlu@cc.ee.ntu.edu.tw
大學專題說明會
積體電路與系統組/電波組
呂良鴻副教授
博理館622室

2. Research Group Lab Information: Member:
Analog Design and System Integration (ADSI) Lab
Established: September 2002
Location: BL 403
Hardware: 18 PC + 2 Workstation (SUN Blade 2000)
Member:
Ph. D. Students: 2
Master Students: 10
Assistant: 1

3. Research Interest RF/Microwave Integrated Circuits
Ultra-low power RF frontend circuits
RF built-in-self-test (BIST)
Si-based microwave integrated circuits
High-Speed/Broadband Integrated Circuits
40GBs optical communication circuits
Broadband amplifiers
Reconfigurable Wireless Systems
Multi-standard/multi-band designs
Power-awareness techniqeus
TFT Circuit Designs
LTPS circuits on glass
Flexible electronics

4. RF/Microwave Integrated Circuits
Ultra-low power RF frontend circuits
Building Blocks
Receiver: LNA, mixer
Transmitter: PA, mixer
Research Focus
Ultra-low power design
Low-voltage design
Possible Applications
Distributed sensor network
RFID

5. RF/Microwave Integrated Circuits

6. High Speed/Broadband Integrated Circuits
System Architecture
Transmitter: MUX, retimer, frequency divider
Receiver: TIA, LA, CDR
Broadband amplifiers/drivers
Research Focus
40GBs optical communication components
40GBs BERT system

7. High Speed/Broadband Integrated Circuits
Motivation:
High-speed and broadband IC for 40-Gb/s optical communications
Implemented in standard 0.18-m CMOS process
Achievement:
Broadband distributed amplifiers:
High-speed building blocks:
32-GHz/9.5-dB
46-GHz/6.7-dB
50-GHz/9.5-dB
MUX DEMUX Frequency divider QVCO

8. Reconfigurable Wireless Systems
Implementation of Active Inductor
Advantage
Reduced area
High Q-factor
Research Focus
Tunable inductance value
Noise and linearity study
Negative Feedback
Positive Feedback
Zin Rp Cp L Rs
VBIAS
Zin
VB1
VB2
Zin= Re(Zin) + jIm(Zin) ≈ R + jwL
Q ≡ Im(Zin) / Re(Zin) ≈ wL / R
Zin

9. TFT Circuit Designs TFT AMOLED Pixel Circuits Research Focus
a-Si TFT pixel circuits
Poly-Si TFT pixel circuits
Research Focus
Threshold compensation
Mobility compensation
Device modeling
CAD tool development

10. Plans for Undergraduate Special Projects
Models for Special Projects
2~3 students as a group for one project topic
Everybody has his/her own block within the group
Regular meeting once a week
Plans for Special Projects
Paper survey/case study
CAD tool training
Circuit design and analysis
Circuit simulation and layout
Final report
Oral Presentation