Keysight N5244/45AS Option H85 User's And Service Manual page 11

Figure 5 N5244/45AS Option 400 and H85 4-Port RF Block Diagram
R1 R1
65 dB
Test Port 1
Figure 6 N5244/45AS Option 400, 423 and H85 4-Port RF Block Diagram
Rear Panel
J11 J10
OUT 1
Pulse Pulse
Modulator Modulator
R1 R1
65 dB
Test Port 1
N5245-90002 User's and Service Guide
Source 1
OUT 1
Source 2 Source 2
OUT 1 OUT 1
R3 R3
A A
35 dB
65 dB
Test Port 3
J9 J8 J7
Source 1
OUT 1
OUT 2
Pulse Pulse
Modulator Modulator
R3 R3
A
35 dB
65 dB
Test Port 3
OUT 2
OUT 2 OUT 2
R4 R4
C C
35 dB
65 dB
Test Port 4
J4 J3
Source 2
(standard)
OUT 2
R4 R4
C
35 dB
65 dB
Test Port 4
N5244/45AS Option H85
Operation
R2 R2
D D
35 dB
65 dB
Test Port 2
J2 J1
LO LO LO
Pulse Generators Pulse Generators
1
To Receivers To Receivers
R2
R2
D
35 dB
65 dB
Test Port 2
B B
35 dB
2
3
4
B B
35 dB
7