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Theory of Operation
Signal Separation Group Operation
Signal Separation Group Operation
The signal separation group divides the source incident signals into a reference
path and a test path. Refer to
page
— The reference signals are transmitted to the receiver group as the R1, R2,
— The test signals are transmitted through—and reflected from—the device
— Control lines to this group are routed from the A23 test set motherboard.
In this section, the following assemblies are described:
—
—
— Front Panel
—
Configurable Test Set
The configurable test set is included in the standard analyzer and allows you to
measure devices with higher power and higher dynamic range limits than an
analyzer without the configurable test set. On 4-port models, there are twelve
signal paths routed through front panel SMA jumpers in the configurable test
set. On 2-port models, there are six signal paths routed through front panels
jumpers in the configurable test set.
As shown in
jumpers are installed between the components listed below. Refer to
5-6 on page 5-25
group related front panel jumpers.
— the A29 port 1 receiver coupler and the A27 mixer brick receiver R1
— the A30 port 3 receiver coupler and the A28 mixer brick receiver R3
— the A31 port 4 receiver coupler and the A28 mixer brick receiver R4
— the A32 port 2 receiver coupler and the A27 mixer brick receiver R2
— the A29 port 1 receiver coupler and the A33 test port 1 coupler
— the A30 port 3 receiver coupler and the A34 test port 3 coupler
— the A31 port 4 receiver coupler and the A35 test port 4 coupler
— the A32 port 2 receiver coupler and the A36 test port 2 coupler
— the A33 test port 1 coupler and the A27 mixer brick receiver A
Keysight N5224A/25A Service Guide
5-21.
R3, and R4 inputs for 4-port models or the R1 and R2 inputs for 2-port
models.
under test (DUT) and then transmitted to the receiver group as the A, B, C,
and D inputs for 4-port models or the A and B inputs for 2-port models.
A29–A32 Receiver Couplers
A33–A36 Test Port Couplers
Jumpers—Configurable Test Set
A38–A41 60-dB Source Step Attenuators and A42–A45 Bias Tees
Figure 5-4 on page 5-20
and
Figure 5-7 on page 5-26
Figure 5-4 on page 5-20
and
Figure 5-5 on page
for illustrations of the receiver
and
Figure 5-5 on
5-21, these
Figure
5-17
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Troubleshooting
