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This paper demonstrates the design of an integrated 4thorder bandpass sigma delta converter which is capable of digitising a 200 kHz band at 200 MHz with 11 bit accuracy. The converter has been successfully fabricated in a 50 GHz SiGe bipolar technology and the modulator consumes 21mA at 3 V. The converter is aimed at the digitisation of wireless signals at a high first IF with a wide dynamic range.
Published in:
Solid-State Circuits Conference, 1999. ESSCIRC '99. Proceedings of the 25th European
Date of Conference: 21-23 Sept. 1999
- Page(s):
- 74 - 77
- Conference Location :
- Duisburg, Germany
- Product Type:
- Conference Publications
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