Design of frequency-interleaved ADC with mismatch compensation
A frequency-interleaving-based multichannel analogue-to-digitial converter (ADC) with mismatch compensation is presented, which is immune from the time skew problem that exist in the time-interleaved ADC. The channel mismatches, such as bandwidth mismatch, gain mismatch, offset mismatch and filter b...
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| Main Authors: | , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
2014
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/103234 http://hdl.handle.net/10220/19986 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | A frequency-interleaving-based multichannel analogue-to-digitial converter (ADC) with mismatch compensation is presented, which is immune from the time skew problem that exist in the time-interleaved ADC. The channel mismatches, such as bandwidth mismatch, gain mismatch, offset mismatch and filter bank mismatch, are addressed and modelled in the reconstruction optimisation. A prototype of a four-channel 1 GS/s 12 bit frequency-interleaved ADC (FI-ADC) is designed to demonstrate the mismatch compensation. Simulation results show that the mismatches in the FI-ADC can be compensated effectively. |
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