Agilent Technologies 11970-90031 manual Select the Frequency Band, External Mixer Frequency Ranges

Operation

Using the Mixers with the 856X Series Spectrum Analyzers

Select the Frequency Band

2.Specify unpreselected external mixing by pressing CONFIG, then EXT MXR PRE UNPR until UNPR is selected.

3.To select a frequency above 18 GHz:

a.Press AUX CTRL, EXTERNAL MIXER to set the analyzer to external mixer mode.

b.Enter the desired frequency directly using the center-frequency function.

c.Notice in Table 2-1that some frequencies overlap and fall into two bands. To be sure that the desired band is selected, refer to Table 2-1and select the desired frequency band, then use the full band function to enter this band.

d.In the external mixer menu, press FULL BAND, then press the step up ⇑ key until the letter preceding BAND in the active function area corresponds to the desired frequency band.

Table 2-1 External Mixer Frequency Ranges

Frequency	Frequency	Mixing	Conversion
Band	Range (GHz)	Harmonic	Loss
K	18.0 to 26.5	6−	30 dB
A	26.5 to 40.0	8−	30 dB
Q	33.0 to 50.0	10−	30 dB
U	40.0 to 60.0	10−	30 dB
V	50.0 to 75.0	14−	30 dB
E	60.0 to 90.0	16−	30 dB	Operation
F	90.0 to 140.0	24−	30 dB
W	75.0 to 110.0	18−	30 dB
D	110.0 to 170.0	30−	30 dB
G	140.0 to 220.0	36−	30 dB
Y	170.0 to 260.0	44−	30 dB
J	220.0 to 325.0	54−	30 dB

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