A PLL based 12GHz LO generator with digital phase control in 90nm CMOS
Author
Summary, in English
A 12 GHz PLL with digital output phase control
has been implemented in a 90 nm CMOS process. It is intended
for LO signal generation in integrated phased array transceivers.
Locally placed PLLs eliminate the need of long high frequency
LO routing to each transceiver in a phased array circuit.
Routing losses are thereby reduced and design of integrated
phased array transceivers become more modular. A chip was
manufactured, featuring two separate fully integrated PLLs
operating at 12 GHz, with a common 1.5 GHz reference. The chip,
including pads, measures 1050x700 μm2. Each PLL consumes
15 mA from a 1.2 V supply, with a typical measured phase noise
of -110 dBc/Hz at 1 MHz offset. The phase control range exceeds
360.
has been implemented in a 90 nm CMOS process. It is intended
for LO signal generation in integrated phased array transceivers.
Locally placed PLLs eliminate the need of long high frequency
LO routing to each transceiver in a phased array circuit.
Routing losses are thereby reduced and design of integrated
phased array transceivers become more modular. A chip was
manufactured, featuring two separate fully integrated PLLs
operating at 12 GHz, with a common 1.5 GHz reference. The chip,
including pads, measures 1050x700 μm2. Each PLL consumes
15 mA from a 1.2 V supply, with a typical measured phase noise
of -110 dBc/Hz at 1 MHz offset. The phase control range exceeds
360.
Publishing year
2009
Language
English
Pages
289-292
Publication/Series
Proc. 2009 IEEE Asia Pacific Microwave Conference, APMC 2009, Singapore
Document type
Conference paper
Topic
- Electrical Engineering, Electronic Engineering, Information Engineering
Keywords
- Phase locked loops
- Beam steering
- CMOS analog integrated circuits.
- Array signal processing
- Millimeter wave antenna arrays
Conference name
Asia Pacific Microwave Conference, APMC 2009
Conference date
2009-12-07
Conference place
Singapore
Status
Published
Project
- Analog/RF Circuits Group: Analog Building Blocks and Architectures
Research group
- Elektronikkonstruktion
- Analog RF