HP 8591C User Manual

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Test Descriptions
Composite Second Order (CSOI Test Description
17:28!81 NOU 23, 1993
gF "_yy"rn (STO)
MKR 54.888 NHz m
#AT 10 dB -33.83 dBnV
GTPOS n : : : : : : : f
LOG
ii/
:. .: .: . . ..." : :
:
:ENTER 56.768 MHz
SPAN 6.888 MHz
WRES BW 38 kHz #UBW 3 HHz WSWP 6.98 I.C RT
Figure 8-5. Determining the level of the Beat Product and Noise Level
3. System CSO
This test is performed on the channel specified using the
SYS BTS TST CHML softkey in the Setup menu. This applies to the system
measurements mode.
The system CSO test measures the beat product at an offset from the test
channel set by CSO FREQ OFFSET The default for CSO FBECj OFFSET
is 4.75 MHz. This can be set to +7.25 when measuring higher channel
numbers. Figure 8-5 shows the analyzer measuring the level of the beat
product and noise level for CSO beat products.
With this method of measuring CSO, a preamplifier is not generally needed
for accurate testing.
8-17

HP 8591C Specifications

General

Brand	HP
Model	8591C
Category	Measuring Instruments
Language	English