HP 8591C, Руководство пользователя, Страница: 310 / 373

Specifications and Test Aids
Cable TV Measurement Specifications and
Characteristics
(Option 107 required; appropriate TV line must be selected)
Non-interfering color
Differential Gain Accuracy
Differential Phase Accuracy
Inequality Accuracy
Frequency Range
Amplitude Range
Coupler [HP part number 095507041
For signal level at coupler input end room temperature.
(requires FCC composite or NTC-7 composite test
6 % 5 0 a v e r a g e s
4 % *
50 averages
*
5 0 M H z t o M H z
t o a t c o u p l e r i n p u t
Insertion loss: 2
C o u p l e d o u t p u t : - 9
Non-Interfering Tests with Gate On’
In-channel Frequency Response Accuracy within channel
See graphs for
w i t h i n c h a n n e l
f 0 . 7 5 M H z I H P 8 5 9 0
f 0 . 5 0 M H z 8 5 9 0
“A preamplifier and preselector filter may be required to achieve specifications.
input range is determined et the time of measurement since a total input power measurement is first done to automatically set the
attenuator.
9 - 9