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The output stage for the ground transmitter at GoonhillyThe power output amplifier of the transmitter for the Goonhilly project uses a travelling tube, type VX527 delivering 4 kW at 6,390 Me/s, with a bandwidth of about 100 Mc/s. This amplifier, together with its power supplies and driver stage is located in a cabin, situated on the turntable underneath the aerial. Input signals for the transmitter are received in the cabin from the main control room at a frequency of 70 Mc/s; they are converted to the to the nominal 6,390 Mc/s before being amplified to about 3 watts by the driver TWT and fed via a waveguide link to the output stage.

The output stage, described below, was designed and manufactured by A.E.I. Electronic Apparatus Division, Leicester, England, during the first half of 1962.
Document ID
19670002989
Acquisition Source
Goddard Space Flight Center
Document Type
Contribution to a larger work
Authors
A. R. Petherham
(Associated Electrical Industries Ltd. Manchester, United Kingdom)
Date Acquired
August 3, 2013
Publication Date
December 1, 1965
Publication Information
Publication: Telstar I
Publisher: National Aeronautics and Space Administration
Volume: NASA-SP-32/Vol. 4
Issue Publication Date: December 1, 1965
URL: https://ntrs.nasa.gov/citations/19670002972
Subject Category
Communications
Accession Number
67N12318
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
TRAVELING WAVE AMPLIFIER
GROUND STATION
COMMUNICATIONS SATELLITE
TRANSMITTER
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