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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, twelve signal
paths, routed through front panel SMA jumpers, comprise 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. Ports 3 and 4
apply only to 4-port models.
— the A29 port 1 reference coupler and the A27 mixer brick receiver R1
— the A30 port 3 reference coupler and the A28 mixer brick receiver R3
— the A31 port 4 reference coupler and the A28 mixer brick receiver R4
— the A32 port 2 reference coupler and the A27 mixer brick receiver R2
— the A29 port 1 reference coupler and the A33 test port 1 coupler
— the A30 port 3 reference coupler and the A34 test port 3 coupler
5-46
5-50.
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 Reference Couplers
A33–A36 Test Port Couplers
Jumpers—Configurable Test Set
A38–A41 50-dB Source Step Attenuators and A42–A45 Bias Tees
(Optional)
A38–A41 50-dB Source Step Attenuators and A71–74 Bias Tee Combiners
(Optional)
A50–A53 Mechanical Switches and A54 Combiner (Optional)
Figure 5-16 on page 5-49
Figure 5-16 on page 5-49
and
Figure 5-17 on page
Keysight N5247B Service Guide
and
Figure 5-17 on
5-50, these
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Troubleshooting
