CMOS Harmonic Rejection Receiver Architecture Design of Multiband Radar Systems Electronics Systems Research Division National Chung-Shan Institute of Science and Technology (NCSIST) Taiwan October 04, 2016 at Ankara, Turkey Hua-Chin Lee (speaker) and Ya-Lan Tsao
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CMOS Harmonic Rejection Receiver
Architecture Design of
Multiband Radar Systems
Electronics Systems Research Division
National Chung-Shan Institute of Science and Technology (NCSIST)
Taiwan
October 04, 2016 at Ankara, Turkey
Hua-Chin Lee (speaker) and Ya-Lan Tsao
2
Outline
Introduction
Harmonic Rejection Architecture
Direct-Conversion Harmonic-Rejection Receiver
a. gm-Boosted Noise-Cancelling LNA
b. Mixer Array
c. Harmonic-Rejection Filter
d. PLL-Based Frequency Synthesizer
e. Measurement results
Conclusions
3
Multiband Radars
• System property
• Operating in a variety of
frequency bands.
• Being a joint system.
• Purpose
• Detect and track hostile targets.
Antenna
Transmitter /
Receiver circuit
Signal processing
Decision making
Antenna
Transmitter /
Receiver circuit
Antenna
Transmitter /
Receiver circuit
4
About this research
Antenna
Transmitter /
Receiver circuit
Signal processing
Decision making
Hardware
Software
Software
+ Human
National Chung-Shan Institute
of Science and Technology
National Taiwan Univertity
EECS
MediaTek Inc.
Taiwan Semiconductor
Manufacturing Company
5
System Block Diagram
T/R
Switch
Tunable
Filter
Wideband
PA
Wideband
TXLPF
LPFWideband RX
(LNA, Mixer)
Wideband
Frequency
Synthesizer
ADC
DAC
Digital
Baseband /
MAC
Spectrum
SensingADC
Research area
6
RFBB
LO
t
fLO 3LO 5LO 7LO
fLO 3LO 5LO 7LO
Harmonic Rejection
ISSCC 2001[4]
f
Circuitry linearity
Signal quality
7
RFBB
LO
t
fLO 3LO 5LO 7LO
fLO 3LO 5LO 7LO
Harmonic Rejection
t
t
t
t
LO1
LO2
LO3
LO
1 2 3( ) ( ) 2 ( ) ( )LO LO LO LOf t f t f t f t ISSCC 2001[4]