Page 17
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PNA Family Application Options,
continued
PNA-X block diagrams with noise figure option
C
R3
Test port 1
R1
Test port 4
R4
A
D
Rear panel
Pulse generators
1
2
3
4
Source 1
OUT 1
OUT 2
Pulse
modulator
Source 2
OUT 1
OUT 2
Pulse
modulator
Test port 2
R2
B
Noise receivers
10 MHz -
3 GHz
3-8.5/
13.5/
26.5 GHz
To receivers
LO
+28 V
Test port 3
Signal
combiner
+
-
Impedance tuner for noise
figure measurements
J9
J10
J11
J8
J7
J2
J1
J4
J3
35 dB
35 dB
35 dB
35 dB
65 dB
65 dB
65 dB
65 dB
J6
J5
RF
OUT
LO
OUT
R
A B C
D
IF inputs
C
R3
Test port 1
R1
Test port 4
R4
A
D
Rear panel
Pulse generators
1
2
3
4
Source 1
OUT 1
OUT 2
Pulse
modulator
Source 2
OUT 1
OUT 2
Pulse
modulator
Test port 2
R2
B
Noise receivers
10 MHz -
6 GHz
6 -50
GHz
To receivers
LO
+28V
Test port 3
Signal
combiner
+
-
J9
J10
J11
J8
J7
J2
J1
J4
J3
35 dB
35 dB
35 dB
35 dB
60 dB
60 dB
60 dB
J6
J5
RF
OUT
LO
OUT
R A B C D
IF inputs
60 dB
Tuner
N5241/42/49A 4-port
block diagram with
noise figure option
N5244/45A 4-port block
diagram with noise
figure option
N5247A 4-port block
diagram with noise
figure option
Test port 3
C
R3
Test port 1
R1
Test port 4
R4
Test port 2
R2
A
D
B
To receivers
LO
Pulse generators
Rear panel
+28 V
1
2
3
4
OUT 2
Source 1
OUT 1
Pulse
modulator
+
-
Source 2
(standard)
OUT 1
OUT 2
Pulse
modulator
J12
J6
J5
J7
J2
J1
J4
J3
50
dB
50 dB
50 dB
50 dB
50 dB
50 dB
50 dB
50 dB
RF2
OUT
RF1
OUT
LO
OUT
Signal
combiner
R
A B C D
IF inputs
Noise receivers
10 MHz -
6 GHz
6 -50
GHz
Tuner