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A 35 GS/s 5-Bit SiGe BiCMOS flash ADC with offset corrected exclusive-or comparator
The design and wafer probe test results of a 5-bit SiGe ADC are presented. The integrated circuit, fabricated in a 200/250 GHz f T /F max , SiGe BiCMOS technology, provides a 5-bit analog to digital conversion with input tone frequencies up to 20 GHz and sampling clock rates up to 35 GS/s. The ADC m...
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Main Authors: | , , , , , , , , |
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Format: | Conference Proceeding |
Language: | English |
Subjects: | |
Citations: | Items that cite this one |
Online Access: | Request full text |
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Summary: | The design and wafer probe test results of a 5-bit SiGe ADC are presented. The integrated circuit, fabricated in a 200/250 GHz f T /F max , SiGe BiCMOS technology, provides a 5-bit analog to digital conversion with input tone frequencies up to 20 GHz and sampling clock rates up to 35 GS/s. The ADC makes use of a comparator with an integrated exclusive-or function to reduce power consumption. The device also generates two half-rate interleaved outputs to ease in data capturing with laboratory equipment. An effective number of bits (ENOB) of nearly 5.0 is achieved for low frequency input tones, dropping to 4.0 at 10 GHz. |
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ISSN: | 1088-9299 2378-590X |
DOI: | 10.1109/BIPOL.2008.4662755 |