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2-ports, single source, with extended power
range (Option 217)
This configuration comes with front-panel access loops, and
source and receiver attenuators at each port. The source
attenuators are settable in 5 dB steps up to 65 dB in N5221/22B,
and in 10 dB steps up to 60 dB in N5224/25B. The receiver
attenuators are settable in 5 dB steps up to 35 dB. The maximum
power rating on the test port couplers is +43 dBm (additional
attenuators or isolators are typically required to protect other
components inside the instrument). Option 217 is not available on
the N5227B.
1. The block diagrams shown above include hardware that must be ordered
as separate options, such as pulse modulators (Options 021 and 022),
and IF access (Option 020), or is controlled by application software, as
is the case for the pulse generators. In addition, the combiner type and
attenuator values vary by model number. Refer to the product data sheet
for the correct block diagram for a specific model.
2-ports, single source, with extended power
range and bias-tees (Option 219)
This configuration comes with front-panel access loops, and bias
tees and source and receiver attenuators at each port. The source
attenuators are settable in 5 dB steps up to 65 dB in N5221/22B,
in 10 dB steps up to 60 dB in N5224/25B, and in 10 dB steps
up to 50 dB in N5227B. The receiver attenuators are settable in
5 dB steps up to 35 dB in N5221/22/24/25B, and 10 dB steps up
to 50 dB in N5227B. The bias tees are connected directly to the
test port couplers, which limits the maximum power rating on the
pair to +30 dBm (additional attenuators or isolators are typically
required to protect other components inside the instrument).
Test port 1
R1
Test port 2
R2
35 dB
65 dB 65 dB
A
35 dB
B
Source
OUT 1OUT 2
Pulse
modulator
To receivers
LO
Pulse generators
RABCD
IF inputs
Rear panel
R1
R2
35 dB
65 dB 65 dB
A
35 dB
B
Source
OUT 1OUT 2
Pulse
modulator
To receivers
LO
Pulse generators
RABCD
IF inputs
Rear panel
Test port 3
R3
Test port 1 Te st port 4
R4
Test port 2
R2
R1
A C D B
Source 2
OUT 1OUT 2
Pulse
modulator
Source 1
OUT 1OUT 2
Pulse
modulator
Pulse generators
To receivers
LO
RABCD
IF inputs
Rear panel
PNA Series Test Set and Power Configuration Options
1
(Continued)
4-ports, dual source, base configuration (Option
400/410)
The 4-port with base configuration has no front-panel access
loops. To independently control the frequency of the second
internal source, one of the following software applications is
required: S93080/029/082/083/084/086/087/089/090x/093/
094B/A.
2-ports, single source, with extended power
range, bias-tees, and low-frequency extension
(Option 220)
Along with the front-panel access loops, bias tees, source
and receiver attenuators of Option 219, Option 220 adds
additional hardware to extend the start frequency of the PNA
down to 900 Hz. The extended start frequency is available
only for the following measurement classes: standard, gain
compression (amplifier and converters), and for magnitude-
only measurements using SMC (scalar mixer/converter) or
SMC+Phase. In the standard channel, pulsed RF, true-mode
stimulus, and source phase control are not supported for
measurements below 10 MHz. The block diagram below shows
how the low-frequency hardware is configured for one test port;
the other test ports are configured similarly.
Standard source
10 MHz - 8.5/13.5/26.5/43.5/50/67.5 GHz
Pulse modulator
R1
A
Test
port
A'
LF source
900 Hz - 100 MHz
R1'
External bias
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