Keysight Technologies N9040B UXA Signal Analyzer Service Guide 145
RF Section Troubleshooting (RF/Microwave Analyzers)
RF Section Description
This assembly contains the following circuits:
— Input Low-pass filter (RF input signals < 3.6 GHz)
— Optional Low Band Electronic Attenuator (0-24 dB attenuation control)
— Optional Low Band Preamplifier and Limiter
— RF Mixer #1 (RF input signals < 3.6 GHz)
— 1st LO Sub-system (3.8 GHz to 8.7 GHz)
— 1st IF Amplifier (5122.5 MHz)
— Switched Filters (A13A2) provides wide BW band pass filter (low band)
— LO and IM nulling (A13A2)
— Mixer #2 (RF input signals 3.6 GHz to 13.599 GHz)
— Microwave Input Amplifier
— Mixer #3 (RF input signals 13.6 GHz to 26.5 GHz)
— LO Doubler
— External Mixing Diplexer
A15 Front End Control Assembly
Provides the correct biasing and switch control logic to the following RF
assemblies:
— Input Attenuator A
— Input Attenuator B
— Low Band Switch
— (Option LNP) Low Noise Path (standard on UXA)
— YTF Preselector (Input signals > 3.6 GHz)
— (Option MPB) Microwave Preselector Bypass (standard on UXA)
— Front End Assembly including switched filter
— (Optional) High Band Preamplifier
— (Optional) Low Band Preamplifier
— (Option EA3) Electronic Attenuator (0-24 dB)
Refer to
Chapter 5, “Front End Control Troubleshooting.”
for detailed descriptions &
troubleshooting procedures
Содержание N9040B Option 513
Страница 4: ...4 ...
Страница 138: ...138 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Instrument Messages Condition Messages ...
Страница 240: ...240 Chapter 11 Hardware Options A21 Wideband Analog IF Troubleshooting Figure 11 1 Analog IF Block Diagram ...
Страница 256: ...256 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Block Diagrams Block Diagrams Block Diagrams ...
Страница 306: ...306 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 2 External Hardware ...
Страница 338: ...338 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 28 Chassis ...
Страница 346: ...346 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts ...
Страница 502: ...502 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Post Repair Procedures ...
Страница 532: ...532 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Functional Tests Scale Fidelity ...
Страница 536: ...536 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Instrument Software Software Updates ...
Страница 541: ...Index Index 541 Y yellow LED 48 51 yig filter see A12 YTF YTF see A12 YTF ...