The Deep Space Network Stability Analyzer
Abstract
A stability analyzer for testing NASA Deep Space Network installations during flight radio science experiments is described. The stability analyzer provides realtime measurements of signal properties of general experimental interest: power, phase, and amplitude spectra; Allan deviation; and time series of amplitude, phase shift, and differential phase shift. Input ports are provided for up to four 100 MHz frequency standards and eight baseband analog (>100 kHz bandwidth) signals. Test results indicate the following upper bounds to noise floors when operating on 100 MHz signals: -145 dBc/Hz for phase noise spectrum further than 200 Hz from carrier, 2.5 x 10(-15) (tau =1 second) and 1.5 x 10(-17) (Tau = 1000 seconds) for Allan deviation, and 1 x 10(-4) degrees for 1-second averages of phase deviation. Four copies of the stability analyzer have been produced, plus one transportable unit for use at non-NASA observatories.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1994
- Accession Number
- ADA515543
Entities
People
- Charles A. Greenhall
- Julian C. Breidenthal
- Paul F. Kuhnle
- Robert L. Hamell
Organizations
- California Institute of Technology