Abstract
This paper studies the appearance of periodic and
quazi-periodic modes, denoted as limit cycles, in the operation of
closed-loop oversampled data converters. It demonstrates that
the properties of these limit cycles are largely determined by the
parameterization of the system loop filter, the amplitudes and
the frequencies of the applied input signals, and the applied
sampling frequency. For the analysis, quantization in amplitude
and quantization in time are seen as separate functions. The
quantizer is represented with sampled describing functions and
a quazi-linear time-variant model for the loop operation is
introduced and illustrated with simulation examples.
| Original language | English |
|---|---|
| Title of host publication | Proceeding of ISCAS 2010, 19-24 september, 2010, Paris, France |
| Pages | 1073-1076 |
| Publication status | Published - 2010 |
| Event | 2010 IEEE International Symposium on Circuits and Systems (ISCAS 2010) - Paris, France Duration: 30 May 2010 → 2 Jun 2010 http://www.iscas2010.org/ |
Conference
| Conference | 2010 IEEE International Symposium on Circuits and Systems (ISCAS 2010) |
|---|---|
| Abbreviated title | ISCAS 2010 |
| Country | France |
| City | Paris |
| Period | 30/05/10 → 2/06/10 |
| Internet address |
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Cite this
Ouzounov, S. F. (2010). On the characterization of limit cycle modes in oversampled data converters. In Proceeding of ISCAS 2010, 19-24 september, 2010, Paris, France (pp. 1073-1076)