Keysight Technologies N5261A, User'S And Service Manual

Page: 59 / 99

Service Information
2-
Figure 2-3 N5261A RF and LO Block Diagram
1
1.
Refer to Figure 2-1 on page 51 for IF paths.
N5261A RF Block Diagram
LO IN
8 to 19 GHz
+2 to -1
0 dBm
Port 2 RF Out 8 t
o
19 GHz, 10-11 dB
Gain, +13 dBm Ma
x
Port 2 LO Out (Levele
d) 8 to
19 GHz,
10
.5-11
.5 dB Gain
Port 1
RF Out
8 to 19
GH
z, 10
-11 d
B
Gain,
+
1
3 dBm Max
Port 1 LO Out (Levele
d) 8 to
19 GHz,
10
.5-11
.5 dB Gain
SRC 1
IN 8 to 1
9 GH
z
Divider
N52
62-80
003
Isol
at
or
09
55-
15
95
508
7-
77
50
Pre Amp
7 d
B
7.
2 dB
Isol
at
or
095
5-
15
95
RF Sec
tion
D
ir Coup
ler
0955-
0148
10dB
D
amage
15 dBm
3dB
LO Sectio
n
De
ct
e
c
to
r
3
333
0-
80
021
50
86-
77
71
LO Amp
Dir C
oupler
09
55-01
48
10dB
ALC (Sw’d)
N
52
61-
60
1
03
De
c
tec
to
r
3
33
30-
80
02
1
50
86-
7
771
Port 1 & 2 RF Amp
ALC (S
w’
d)
6 dB
6 dB
508
7-
77
33
Solid
State S
w
.
SRC 1
Out
In
Rea
r
Panel
Fr
on
t
Pa
nel
Bias
Bd
Sl
op
ed Attn
CA
-A
Y
N5
26
2-
200
33
N
5
261
-6
01
04
N
5
261
-6
01
03
Keysight N5261/62A User’s & Service Guide
53