174 N9030B PXA Signal Analyzer Service Guide
RF Section Troubleshooting (Millimeter-Wave Analyzers)
RF Section Description
RF Section Description
This section covers only those optional frequency ranges listed below for the
N9030B Signal Analyzer.
— Option 544, 44 GHz Frequency Range
— Option 550, 50 GHz Frequency Range
The RF input signal can be routed through four different front end signal paths.
These various paths are switched in and out based on where the signal
analyzer center frequency is tuned.
1. Low band RF path is used when the input frequency is ≤ 3600 MHz
2. High band RF path #1 is used when the input frequency is > 3.6 GHz
to 17.1 GHz
3. High band RF path #2 is used when the input frequency is > 17 GHz to
34.5 GHz
4. High band RF Path #3 is used when the input frequency is > 34.4 GHz to
50 GHz
The RF section is designed to convert RF input signals to an intermediate
frequency that is present at the RF output of the A13 Front End assembly. This
intermediate frequency (IF) depends on installed options and the IF path
selected. This chapter will assume the default operation in Spectrum Analyzer
mode. Therefore the IF frequency will be 322.5 MHz.
IF Path IF Mode
10 MHz (standard) 322.5 MHz Spectrum Analyzer or IQ Analyzer
25 MHz (Option B25) 322.5 MHz IQ Analyzer
40 MHz (Option B40) 250 MHz IQ Analyzer
140 MHz (Option B1X) 300 MHz IQ Analyzer
160 MHz (Option B1X & B1Y) 300 MHz IQ Analyzer
255 MHz (Option B2X) 750 MHz IQ Analyzer
510 MHz (Option B5X) 877.148 MHz IQ Analyzer
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