Ametek 7124 Manuals

Manuals and User Guides for Ametek 7124. We have 1 Ametek 7124 manual available for free PDF download: Instruction Manual

Ametek 7124 Instruction Manual (235 pages)

Precision Lock-in Amplifier

Brand: Ametek | Category: Amplifier | Size: 2.67 MB

Table of Contents
3
General Safety Precautions
9
Chapter One, Introduction
13
How to Use this Manual
13
What Is a Lock-In Amplifier
14
Key Specifications and Benefits
15
Installation
17
Introduction
17
Rack Mounting
17
Inspection
17
Line Cord Plugs
17
Line Voltage Selection and Line Fuses
17
Initial Checks
19
Introduction
19
Procedure
19
Line Frequency Filter Adjustment
23
Introduction
23
Procedure
23
Introduction
27
Operating Modes
27
Single Reference / Dual Reference
27
Tandem Demodulation
27
Single Harmonic / Dual Harmonic
28
Internal / External Reference Mode
28
Virtual Reference Mode
28
Principles of Operation
28
Block Diagram
28
Signal Channel Inputs - 7124 RCU
30
Line Frequency Rejection Filter
31
AC Gain and Dynamic Reserve
31
Anti-Aliasing Filter
32
Analog Fiber Links
33
Auxiliary Signal Input - Main Console
33
Main Analog-To-Digital Converter
34
Reference Channel Inputs - 7124 RCU
34
Reference Channel Inputs- Main Console
34
Reference Channel
34
Phase-Shifter
35
Internal Oscillator - General
36
Internal Oscillator - Update Rate
36
Internal Oscillator - Frequency & Amplitude Sweeps
36
Internal Oscillator - Voltage Control
37
Demodulators - Dual Phase Multipliers
37
Demodulators - Output Filters
37
Fast Curve Buffer
38
Main Output Processor - General
38
Main Output Processor - Output Offset and Expand
38
Main Output Processor - Vector Magnitude and Phase
39
Main Output Processor - Noise Measurements
40
Main Output Processor - Standard Curve Buffer
41
Analog Outputs (Dacs)
41
Auxiliary Analog Inputs (Adcs)
41
Main Microprocessor - General
42
Main Microprocessor - Spectral Display
42
Main Microprocessor - Auto Functions
42
Main Microprocessor - User Settings
44
General
44
Accuracy
44
Power-Up Defaults
44
Front Panel - Main Console
45
AUX Signal Input Connector
45
MON Connector
45
REF in Connector
45
OSC out Connector
46
LCD Screen
46
HELP Key
49
MENU Key
49
SELECT CONTROL Key
49
Rear Panel - Main Console
50
Line Power Switch
50
Line Power Input Assembly
50
DIGITAL I/O Connector
50
USB Connector
50
LAN Connector
51
RS232 Connector
51
AUX RS232 Connector
51
PRE-AMP POWER Connector
51
ADC TRIG in Connector
51
ADC 1, ADC 2, ADC 3 and ADC 4 Connectors
51
REF MON Connector
51
TTL REF in Connector
51
TRIG in Connector
52
TRIG out Connector
52
DAC 1, DAC 2, DAC 3, and DAC 2 Connectors
52
FIBER LINKS Connectors
52
Front Panel - 7124 RCU
52
A and B/I Signal Input Connectors
52
REF in Connector
53
OSC out Connector
53
Status Led
53
Rear Panel - 7124 RCU
53
Line Power Switch
53
Line Power Input Assembly
53
DIGITAL OUTPUT Connector
53
TTL REF in Connector
54
POWER IN/OUT Connector
54
CONTROL, REF OUT, OSC IN, and SIG out Fiber Optic Connectors
54
SIG MON Connector
54
Introduction
55
Menu Structure
56
Menu Descriptions - Single Reference Mode
57
Main Display
57
Control Selection Menu
59
Signal Channel Menu 1
61
Reference Channel Menu
65
Output Filters Menu
67
Output Offset & Expand Menu
68
Output Equations Menu
69
Oscillator Menu
70
Frequency Sweep Menu
72
Amplitude Sweep Menu
75
Amplitude Modulation Menu
77
Frequency Modulation (VCO) Menu
78
Auto Functions Menu
79
Configuration Menu
81
Communications Menu
83
RS232 Settings Menu
84
Ethernet Settings Menu
86
USB Status Menu
88
Communications Monitor
89
Options Menu
89
Configuration Menu 2
90
Spectral Display
91
Main Menu 2
93
Curve Buffer Menu
95
Curve Trigger Menu
96
Curve Select Menu
98
Single Graph Menu
100
Double Graph Menu
101
User Settings Menu
102
ADC Menu
103
DAC Menu
105
Digital Port Menu
109
RCU Digital Port Menu
110
Fiber Calibration Menu
110
Menu Descriptions - Virtual Reference Mode
111
Virtual Reference Menus
111
Virtual Reference Main Display
114
Virtual Reference Configuration Menu
115
Menu Descriptions - Dual Reference Mode
115
Dual Reference Setup Menu
115
Dual Reference Main Display
116
Dual Reference Channel Menu
120
Dual Reference Channel Menu 2
122
Dual Reference Output Filters Menu 1
122
Dual Reference Output Filters Menu 2
124
Dual Reference Output Offset Ref 1 Menu
124
Dual Reference Output Offset Ref 2 Menu
126
Dual Reference Auto Functions Menus
127
Dual Reference Configuration Menu
128
Dual Reference and Dual Harmonic Modes Curve Select Menu
128
Dual Reference and Dual Harmonic Modes DAC Menu
129
Menu Descriptions - Dual Harmonic Mode
133
Dual Harmonic Setup Menu
133
Dual Harmonic Main Display
134
Dual Harmonic Reference Channel Menu
138
Dual Harmonic Output Filters Menu
140
Dual Harmonic Output Filters Menu 2
141
Dual Harmonic Output Offset Harm 1 Menu
142
Dual Harmonic Output Offset Harm 2 Menu
143
Dual Harmonic Auto Functions Menus
144
Dual Harmonic Configuration Menu
145
Typical Lock-In Amplifier Experiment
145
Introduction
147
Capabilities
147
General
147
Operation
147
Communications Monitor Menu
147
Compound Commands
147
RS232 Operation
147
General Features
148
Choice of Baud Rate
148
Choice of Number of Data Bits
148
Choice of Parity Check Option
149
Auxiliary RS232 Interface
149
Handshaking and Echoes
149
Terminators
150
Delimiters
150
Status Byte, Prompts and Overload Byte
150
USB Operation
151
Introduction
151
General Features
151
Terminator, Status Byte, and Overload Byte
151
Delimiters
152
Ethernet Operation
153
Introduction
153
IP Address
153
Home Page
153
Sockets
154
Terminator, Status Byte, and Overload Byte
154
Delimiters
155
Command Format
155
Command Descriptions
156
Signal Channel
156
Reference Channel
158
Signal Channel Output Filters
160
Signal Channel Output Amplifiers
161
Instrument Outputs
163
Internal Oscillator
165
Analog Outputs
169
Digital I/O
170
Auxiliary Inputs
170
Output Data Curve Buffer
171
Computer Interfaces
178
Instrument Identification
180
Front Panel
180
Auto Default and Calibration
180
Dual Mode Commands
181
Programming Examples
182
Introduction
182
Basic Signal Recovery
182
Frequency Response Measurement
182
And y Output Curve Storage Measurement
183
Appendix A, Specifications
185
Appendix B, Pinouts
191
Appendix C, Cable Diagrams
193
C1 RS232 Cable Diagrams
193
Appendix D, Default Settings
195
Auto Default Function
195
7124/99 DC Power Input Cable
199
Operation
200
DC Power Over- and Under- Voltage Protection
200
Line Power/DC Input Power Switching
201
Appendix F, Alphabetical Listing of Commands
204

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