A Novel Blind Adaptive Correction Algorithm for 2-Channel Time-Interleaved ADCs |
|---|
| Simran Singh, Georg Vallant, Michael Epp, Mikko Valkama, Wolfgang Schlecker |
- Abstract:
- A Time-Interleaved ADC (TI-ADC) enables effectively sampling at integer multiples of the single ADC's sampling frequency but its performance is limited by the mismatches between the individual ADCs. In this contribution, a novel fully blind adaptive compensation structure for 2-channel Time-Interleaved ADC frequency response mismatch correction is proposed. The proposed method overcomes the existing methods in a sense that the TI-ADC mismatch identification can be performed without reducing the bandwidth e.g. by allocating an interleaving mismatch spur band (IMSB) in the spectrum via oversampling. The performance of the proposed approach is verified using actual hardware measurements of an RF sampling ADC.
- Keywords:
- Time Interleaved ADC
- Download:
- IMEKO-TC4-2013-049.pdf
- DOI:
- -
- Event details
- IMEKO TC:
- TC4
- Event name:
- TC4 Symposium 2013
- Title:
- 19th IMEKO TC4 Symposium Measurements of Electrical Quantities (together with 17th TC4 IWADC Workshop on ADC and DAC Modelling and Testing)
- Place:
- Barcelona, SPAIN
- Time:
- 18 July 2013 - 19 July 2013