A High Performance Multi-Channel Time-Interval Counter with an Integrated GPS Receiver
Abstract
A new time-interval counter has been developed for PC-based time and frequency measurement applications. The counter incorporates a multi-channel design, allowing concurrent measurements of up to 11 input signals. Each input signal can be compared to a reference oscillator or to the signal from an integrated GPS receiver. Other features include 24-bit programmable dividers that allow the measurement of any frequency from 1 Hz to 167.77 MHz, single-shot resolution of < 30 ps, and an Allan deviation [sigma sub y(tau)] of 2.5 x 10(exp -14) at tau = 1,024 s during a self-test. A discussion of the counter design, the theory of operation, measurement performance, and potential applications in time and frequency metrology is included.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1999
- Accession Number
- ADA497302
Entities
People
- Andrew N. Novick
- Anthony Carpentier
- Michael A. Lombard
- Victor S. Zhang
Organizations
- National Institute of Standards and Technology