Keysight Technologies X Series Service Guide

REFERENCE and SYNTHESIZER BLOCK DIAGRAM
(Serial Prefix < MY/SG/US5648)
REFERENCE and SYNTHESIZER
BLOCK DIAGRAM
blocke40_refsynth
A16 REFERENCE
DRO
LOOP GAIN
X2
X2
X3
X4
F
600 MHz
2400 MHz
4800 MHz
4800 MHz
4800 MHz
50 MHz
300 MHz
Comb
300 MHz
CombSig
AM Mod
22.54 MHz comb
from DIF
SyncAlignment
/5
Re-sync
Timebase
steering
10 MHz
1 - 30 MHz
J704
Ext Ref IN
(from
Rear Panel)
100 MHz
50 MHz
300 MHz
/2
NF
R
300 MHz 3rd LO
100 MHz 1st LO
to system
to system
10 MHz to AIF/DIF
M/B dist
to systemA
to systemB
FOOTNOTES
50 MHz Ecal
DC Cal In
1st LO Ref
J702
N
J
J703
J701
Cal
Signal
J711
J706
J710
J709
J708
J705
ALC
ALC
ALC
ALC
ALC
DC Force
DC Sense
f
O
f
O
f
O
DAC
DAC
Cal
Combiner
A14 LO SYNTHESIZER
block_hibandpath2
3.8 - 8.7 GHz
1st LO Out
13 - 18 dBm
(3)
J1
J200
1.15 - 1.95 GHz
Serial Bus
Symv/Int_Swp
1142 MHz - 2308 MHz
571 MHz to
1154 MHz
2.30 - 2.90 GHz
4.6 - 5.8 GHz
1.45 - 1.82 GHz
2.90 - 3.65 GHz
5.8 - 7.3 GHz
1.82 - 2.30 GHz
3.65 - 4.60 GHz
7.3 - 9.2 GHz
X2
X2
X2
1st
ALC
FPGA
LO
CONTROLLER
FRAC-N
CONTROLLER
VCO
To A13J4
(from A8)
W5
W6
W19
W14
(1)
(2)
(2)
(1)
(1)
(2)
(2)
(1)
W42
W12
W20
W43
W4
2nd LO
4800 MHz
To A13J1
To A9
To A2J300
To A3J14
To A3J14
(1) Units with any of the following options: B40, DP2, MPB
(2) Units without any of the following options: B40, DP2, MPB
(3) The Tuning Equations below show the relationship between
the A14 LO Synthesizer output and the Tuned Frequency in SA mode.
To A13J6
To A3J18
0 - 3.6 GHz LO Synth Output = Tuned Freq + 5.1225 GHz
LO Synth Output = Tuned Freq + 322.5 MHz
LO Synth Output = (Tuned Freq + 322.5 MHz)/2
LO Synth Output = (Tuned Freq + 322.5 MHz)/2
LO Synth Output = (Tuned Freq + 322.5 MHz)/4
3.6 - 8.4 GHz
8.4 - 13.6 GHz
13.6 - 17.1 GHz
17.1 - 26.5 GHz
Band Tuning Equation
J740
January 10, 2017

Keysight Technologies X Series Specifications

General

Brand	Keysight Technologies
Model	X Series
Category	Measuring Instruments
Language	English