Low Cost Photonic GPS Oscillator

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$69,648.00
Award Year:
2002
Program:
SBIR
Phase:
Phase I
Contract:
N68335-02-C-3078
Award Id:
59388
Agency Tracking Number:
N01-180-02
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
10 Corporate Place, South Bedford Street, Burlington, MA, 01803
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
049405111
Principal Investigator:
Geert Wyntjes
Senior Staff Scientist
(781) 273-2820
wyntjes@visidyne.com
Business Contact:
John Bates
Treasurer
(781) 273-2820
bates@visidyne.com
Research Institute:
n/a
Abstract
The performance of a GPS receiver is critically dependent on its internal oscillator clock's long term stability, affecting time-to-first measurement and its short term, phase noise level, since it limits the ultimate precision with which a range incrementcan be recovered. Visidyne proposes to demonstrate that by adding a photonic control loop to an existing low cost RF oscillator both long term drift and short term, i.e., Allan variances can be greatly improved on. The goals for ready time, size/weightand power consumption as well as cost also appear to be within reach. High performance local oscillators with less jitter, lower phase noise are a critical element at both ends of the scale, low signal-to-noise as in a GPS receiver or in the case ofmultiple input signals of large magnitudes to reduce the intermodulation products. DoD needs include advanced digital intercept receivers, commercial uses are in wireless, e.g., cellular phone networks.

* information listed above is at the time of submission.

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