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A PLL based 12 GHz LO generator with digital phase control in 90 nm CMOS

In English

Författare

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 the design of integrated phased array transceivers becomes 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 1050 × 700 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°.

Publiceringsår

2011

Språk

Engelska

Sidor

309-318

Publikation/Tidskrift/Serie

Analog Integrated Circuits and Signal Processing

Volym

67

Issue

3

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Projekt

  • EIT_HSWC:RFNano RF tranceivers and nano devices

Forskningsgrupp

  • Elektronikkonstruktion
  • Analog RF

ISBN/ISSN/Övrigt

  • ISSN: 0925-1030