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8565A-10
HP MODEL8565A SPECTRUM ANAlYZER
All Serials
IMPROVED FREQUENCY RESPONSE PERFORMANCE TEST
The following is the recommended procedure for frequency response testing of all HP
Model 8565A Spectrum Analyzers. Replace test paragraph 4-20 in your Operation and
Service Manual with the service note.
A synchronizer and sweep oscillator are connected to make a tracking generator for the
8565A. The sweep oscillator is phase locked across each FREQUENCY BAND, and fre-
quency response tests are performed. The YTF is modulated with a 1 kHz sine wave to
eliminate amplitude variations due to small errors in YTF Tracking.
BF/eg/WO
4/81-53
E
None
HEWLETT
PACKARD
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SAlES OR SERVICE OFFICE
or East (201) 265-5000 e Midwest 1312) 255-9800
It
South
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o
West (213) 970-7500 or (415) 968-9200;
OR
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iN
EUROPE,
CAll
Y9UR
LOCAL HP
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SERVICE
OFFICE OR WRITE, Hew!ett·Packard· S.A., 7, rue du Bois-du·Lan, P.O. Box,
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