1. 指導教授:林志明 級別:碩一 學生:呂致遠 Mail:s94662010@mail.ncue.edu.tw
彰師大積體電路設計所 A 9–50-GHz Gilbert-Cell Down-Conversion Mixer in 0.13-μm CMOS Technology Chin-Shen Lin, Student Member, IEEE, Pei-Si Wu, Student Member, IEEE, Hong-Yeh Chang, Member, IEEE,and Huei Wang, Fellow, IEEE IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, VOL. 16, NO. 5, MAY 2006
指導教授:林志明
級別:碩一
學生:呂致遠

2. Outline Abstact Introduction Circuit Design Schematic Chip photo
Experimental Results
Conclusion
References

3. ABSTRACT Broadband microwave/millimeter-wave (MMW) Gilbert-cell mixer
1P8M 0.13-μm CMOS
Microstrip line is employed for the matching networks and transformer design
RF and LO to IF are better than 40 dB
RF-to-LO and LO-to-RF isolations are
all better than 20 dB.

4. INTRODUCTION
CMOS technology demonstrated for wireless applications in (MMW) frequencies
60GHz LNA, 51GHz VCO
SiGe based HBT Gilbert-cell mixer to 30.5GHz
CMOS Gilbert-cell mixer below 10GHz
A singly balance mixer from 26 to 34 GHz
FET mixer from 30 to 40 GHz

5. Circuit Design Use Gilbert-cell core
The charge injection technique is also employed in this circuit. Two resistors are used to inject current into Q1 and Q2
Two common drain buffer stages are added to achieve the impedance matching

6. Schematic Injection technique Gilbert-cell core common drain Buffer
Balun
Current
Mirror

7. Chip photo
IF+
IF-
VDD LO
GND
ON WAFER RF

8. Experimental Results

9. 0.13μm for ADS simulation

10. Conclusion
A CMOS Gilbert-cell mixer is designed, fabricated, and measured for microwave/MMW applications. To the best of ourknowledge, this is the highest frequency CMOS Gilbert-cell mixer to date. This MMIC mixer exhibits a broadband mixer with conversion gain and is suitable for MMW receiver applications.

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14. Thanks for your listening