Referenced Items are not available for this document.
This paper presents the design and measured performance of a novel intermediate-frequency variable-gain amplifier for Wideband Code-Division Multiple Access (WCDMA) transmitters. A compensation technique for parasitic coupling is proposed which allows a high dynamic range of 77 dB to be attained at 400 MHz while using a single variable-gain stage. Temperature compensation and decibel-linear characteristic are achieved by means of a control circuit which provides a lower than ±1.5 dB gain error over full temperature and gain ranges. The device is fabricated in a 0.8-μm 46 GHz fT silicon bipolar technology and drains up to 6 mA from a 2.7-V power supply.
Published in:
Solid-State Circuits, IEEE Journal of
(Volume:40
,
Issue:
10
)
Date of Publication: Oct. 2005
- Page(s):
- 2019 - 2024
- ISSN :
- 0018-9200
- INSPEC Accession Number:
- 8577058
- Digital Object Identifier :
- 10.1109/JSSC.2005.852827
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 12 September 2005
- Issue Date :
- Oct. 2005
- Sponsored by :
- IEEE Solid-State Circuits Society
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