Keysight Technologies E8257D User Manual

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Block Diagram for the Overall E8267D PSG Vector Signal Generator, Service Guide E8251-90359
FM Driver
A9 YIG Driver
A6 Frac-N
(Fine Tune)
A5 Sampler
(Coarse Tune)
Synthesis Loop
500-1000 MHz
Sampler/
YO Loop
Phase-Locked
Loop
1 GHz
YO Phase
Correction
10 MHz
A29
20 GHz
Doubler
.25-3.2 GHz
Carrier
A26 Microwave Interface Deck
Microwave / RF Path
3.2 to 10 GHz
3.2 to 10 GHz
3.2 to
10 GHz
A30 Modulator Filter
A23 Low-Band
Coupler / Detector
A8 Output
Detected
Low Band
A10 ALC
Detected
High Band
A24 Coupler
250 kHz to 20 GHz,
250 kHz to 32 GHz,
or
250 kHz to 45 GHz
RF Output
3.2 to
20 GHz
A35 3-20 GHz
I/Q Mod
3.2 - 20 GHz ALC Mod
Low-Band ALC Mod
3.2 - 20 GHz
Pulse
FM
Scaling
Ramp
Sweep
f Lock
VCO
A25 Detector
A32 10 MHz
Crystal Oscillator
Reference (Standard)
1 GHz
10 MHz
120 Vac
or
240 Vac
Rear Panel
Front Panel*
Pulse
Video Out
Pulse
Sync Out
LF Output
Ext 1 Input
Ext 2 Input
Pulse/Trigger
Gate Input
ALC Input
I only
Q only
A22 Line Module
ALC Loop
A19 Power Supply
A18 CPU
A31 Motherboard
FM
Coil
Main
Coil
Source Module
Interface
A11 Pulse/Analog
Modulation
Generator
YO Phase
Lock
A7 Reference
AM
Phase Lock
Interface
Pretune
Sweep
Generator
Sweep
Level
Control
250 kHz
to 3.2 GHz
Low-Band Pulse
A12 Pulse
Modulator
(Opt UNW)
AT1
115 dB Attenuator
Wide I
Wide Q
Baseband
Gen Ref In
A34 Internal
Hard Drive (Opt 005)
A14 Baseband
Generator
(Opt 601/602)
A21 Rear Panel
Interface
A17
Baseband
Gererator
Interface
GPIB
LAN
Auxiliary Interface
Trigger In
Trigger Out
Sweep Out
Source Settled
Event 1
Event 2
Pattern Trig In
Burst Gate In
I/Q Ext Out
I/Q Ext Out
Data
Data Clock
Symbol Snyc
Lowband I/Q
Highband I/Q
A28 YIG
Oscillator
Sweep
Out
DAC
10 MHz Out
Low-Band
Divider and
Filter
10 MHz EFC
10 MHz In
250 kHz
to 3.2 GHz
Sweep Out
Z/Blank
Stop Sweep
Trigger &
Timing
Control
A13 I/Q Mux
RF Output
* Note: Option 1EM moves all
connectors to the rear panel.
A38 LB
Switch Filter
(Opt 1EH)
A37 20 - 44 GHz Upconverter
(models > 20 GHz)
A27 3-40 GHz
Doubler
(models
> 20 GHz)
20 GHz Model
20 GHz Model
20 - 44 GHz ALC Mod
20 - 44 GHz Pulse
Photograph: 45 Ghz Model (Option 544)
A39
2-20 GHz Coupler
(models > 20 GHz)
20 GHz Model
Models >20 GHz
A7 Reference
A5
A6
A7
A8
A9
A10
A11
A19
A18
A14
A38
A32
A13
A27
A26
A25
A24
A23
AT1
A34
A12
A17
A20
(Not
Visible)
A39
I Q
Reference (Option UNR/UNX &
Instruments with serial
prefix >US4805/MY4805)
Option UNR/UNX
Only

Keysight Technologies E8257D Specifications

General

Brand	Keysight Technologies
Model	E8257D
Category	Portable Generator
Language	English