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A 3.6mW, 90nm CMOS Gated-Vernier Time-to-Digital Converter with an Equivalent Resolution of 3.2ps

Författare:
Publiceringsår: 2012
Språk: Engelska
Sidor: 1626-1635
Publikation/Tidskrift/Serie: IEEE Journal of Solid-State Circuits (JSSC)
Volym: 47
Nummer: 7
Dokumenttyp: Artikel

Sammanfattning

Two gated ring oscillators (GROs) act as the delay lines in an improved Vernier time-to-digital converter (TDC), where the already small quantization noise of the standard Vernier TDC is further first-order shaped by the GRO operation. The TDC has been implemented in a 90nm CMOS process and consumes 3mA from 1.2V when operating at 25MHz. The native Vernier resolution of the TDC is 5.8ps, while the total noise integrated over a bandwidth of 800kHz yields an equivalent TDC resolution of 3.2ps.

Disputation

Nyckelord

  • Technology and Engineering
  • Gated Ring Oscillator
  • Time-to-Digital Converter
  • Vernier Delay Line

Övriga

Published
Yes
  • ISSN: 0018-9200

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