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Continuous-Time Pipelined Analog-To-Digital Converters – Where Filtering Meets Analog-To-Digital Conversion

April 15 @ 4:00 pm - 5:30 pm

If someone told you that the power, noise, distortion, and area of a mixed-signal block could be reduced all at the same time, you’d probably think that this was a lie. It turns out that it is indeed possible sometimes – and this talk will present an example called the continuous-time pipeline (CTP)  ADC.  The CTP is an emerging technique that combines filtering with analog-to-digital conversion. Like a continuous-time delta-sigma modulator (CTDSM), a CTP has a “nice” input impedance that is easy to drive and has inherent anti-aliasing. However, unlike a CTDSM, a CTP does not require a high-speed feedback loop to be closed. As a result, it can achieve significantly higher bandwidth (like a Nyquist ADC). After discussing the operating principles behind the CTP, we describe the fundamental benefits of the CTP over a conventional signal chain that incorporates an anti-alias filter and a Nyquist-rate converter. We will then show design details and measurement results from a 100MHz  800MS/s CTP designed in a 65nm CMOS process.

Details

Date:
April 15
Time:
4:00 pm - 5:30 pm
Event Categories:
, ,
Website:
https://events.vtools.ieee.org/m/415784

Venue

6455 Lusk Blvd
6455 Lusk Blvd
San Diego, CA 92121 United States
+ Google Map

Details

Date:
April 15
Time:
4:00 pm - 5:30 pm
Event Categories:
, ,
Website:
https://events.vtools.ieee.org/m/415784

Venue

6455 Lusk Blvd
6455 Lusk Blvd
San Diego, CA 92121 United States
+ Google Map