Referenced Items are not available for this document.
A 17-GHz RF receiver, consisting of a low-noise amplifier (LNA) and doubly balanced mixers coupled by a monolithic 3.7:1 step-down transformer, realizes over 75 dB of image rejection in a production 100-GHz fT SiGe BiCMOS technology. A new coupling transformer winding improves the magnetic coupling coefficient by more than 20% compared to conventional designs, which reduces parasitic effects and increases the overall efficiency of the LNA/mixer combination. Quadrature LO signals with electronically tunable phase are generated by a subharmonically injection-locked oscillator. The measured receiver IIP3 is -5.1 dBm with 17.3-dB conversion gain and 6.5-dB noise figure (SSB 50 Ω) at 17.2 GHz. The 1.9×1.0 mm2 IC consumes 62.5 mW from a 2.2-V supply.
Published in:
Solid-State Circuits, IEEE Journal of
(Volume:39
,
Issue:
12
)
Date of Publication: Dec. 2004
- Page(s):
- 2321 - 2332
- ISSN :
- 0018-9200
- INSPEC Accession Number:
- 8202816
- Digital Object Identifier :
- 10.1109/JSSC.2004.836343
- Date of Current Version :
- 30 November 2004
- Issue Date :
- Dec. 2004
- Sponsored by :
- IEEE Solid-State Circuits Society
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