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Operation
Using the Mixers with the 856X Series Spectrum Analyzers
Select the Frequency Band
2. Specify unpreselected external mixing by pressing
is selected.
3. To select a frequency above 18 GHz:
a. Press
AUX CTRL, EXTERNAL MIXER
b. Enter the desired frequency directly using the center-frequency function.
c. Notice in
Table 2-1
desired band is selected, refer to
band function to enter this band.
d. In the external mixer menu, press
preceding BAND in the active function area corresponds to the desired frequency band.
Table 2-1
External Mixer Frequency Ranges
Frequency
Frequency Range
Band
(GHz)
K
18.0 to 26.5
A
26.5 to 40.0
Q
33.0 to 50.0
U
40.0 to 60.0
V
50.0 to 75.0
E
60.0 to 90.0
W
75.0 to 110.0
F
90.0 to 140.0
D
110.0 to 170.0
G
140.0 to 220.0
Y
170.0 to 260.0
J
220.0 to 325.0
40
to set the analyzer to external mixer mode.
that some frequencies overlap and fall into two bands. To be sure that the
Table 2-1
and select the desired frequency band, then use the full
FULL BAND
Mixing
Harmonic
6−
8−
10−
10−
14−
16−
18−
24−
30−
36−
44−
54−
, then
CONFIG
EXT MXR PRE UNPR
⇑
, then press the step up
Conversion
Loss
30 dB
30 dB
30 dB
30 dB
30 dB
30 dB
30 dB
30 dB
30 dB
30 dB
30 dB
30 dB
until UNPR
key until the letter
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