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System Description
N5250C Network Analyzer System
N5250C Network Analyzer System
The N5250C is a vector network analyzer system with an extremely wide frequency range of 10
MHz to 110 GHz. The N5250C uses the same 1.0 mm test port connections throughout its entire
range of test frequencies. It is never necessary to make and break connections to complete a
test.
The bias can be applied to a device under test (DUT) through the test ports using the bias-tees
built into the E8361C H11 PNA. Optionally, bias-tees can be added to the millimeter-wave test
head modules (N5250C Options 017 and 018) closer to the test ports to improve the bias
conditions of sensitive devices.
The N5250C system can be used to make S-parameter measurements three different ways:
1. Continuous sweep 10 MHz to 110 GHz measurements utilizing 1.0 mm test ports on the test
head modules.
2. Standalone E8361C H11 PNA measurements from 10 MHz to 67 GHz utilizing the PNA front
panel 1.85 mm test ports. This is accomplished by disconnecting the N5260A millimeter head
controller and millimeter-wave test head modules from the E8361C H11 PNA and restarting
the PNA application.
3. Waveguide measurements from 67 GHz to 110 GHz utilizing the WR-10 waveguide flange on
the waveguide T/R modules. This is accomplished by disconnecting the combiner assembly
on the front of the test head modules.
The illustration below shows the N5250C configured for coaxial measurement. The system
can also be configured for on-wafer measurement using a wafer probe test station.
Figure 2-1
N5250C Network Analyzer System
2-2
PNA Series Microwave Network Analyzer System
Installation and Service Guide N5250-90001
N5250A
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