R3267 Series Spectrum Analyzer Operation Manual (Vol.1)
3.3.9 FREQ Key (Frequency)
3-46
Preselector 1.6 GHz/3.6 GHz
Toggles the Preselector’s frequency band between the 1.6 GHz
and 3.6 GHz bands.
1.6 GHz/3.6 GHz:
Sets the frequency band to either 1.6 GHz or 3.6 GHz.
NOTE
Displayed on the R3267 screen only.
Mixer INT/EXT
Switches between the Internal and External mixers.
INT:
Uses the internal mixer.
EXT:
Uses the external mixer.
NOTE
Displayed on the R3273 screen only.
Ext Mixer Config
Displays the Ext Mixer menu.
NOTE
Displayed on the R3273 screen only.
Bias POSI/NEGA
Toggles the external mixer between positive and negative bias.
Band Select
Selects a frequency band for the external mixer.
The frequency bands are listed in the table shown below.
Frequency Band Frequency Range[GHz]
Mixing Order [N]
1
12.4 to 18.0
3
2
17.0 to 26.5
4
3
22.0 to 33.0
5
4
26.5 to 40.0
6
5
33.0 to 50.0
8
6
40.0 to 60.0
8
7
50.0 to 75.0
10
8
60.0 to 90.0
12
9
75.0 to 110.0
14
10
90.0 to 140.0
18
11
110.0 to 170.0
22
12
140.0 to 220.0
28
13
170.0 to 260.0
34
14
220.0 to 325.0
42