User Manuals: Stanford Research Systems SR850 Amplifier

User Manuals: Stanford Research Systems SR850 Amplifier

Manuals and User Guides for Stanford Research Systems SR850 Amplifier. We have 1 Stanford Research Systems SR850 Amplifier manual available for free PDF download: User Manual

Stanford Research Systems SR850 User Manual

Stanford Research Systems SR850 User Manual (290 pages)

DSP Lock-In Amplifier

Brand: Stanford Research Systems | Category: Amplifier | Size: 0 MB

Table of Contents

Table of Contents

3
- Safety and Preparation for Use
  5
- Specifications
  7
  - Analysis Functions
    8
  - Inputs and Outputs
    8
  - Command List
    9
  - Status Byte Definitions
    12
- Getting Started
  
  13
  - Key Types
    13
  - Your First Measurements
    13
  - The Basic Lock-In
    15
  - Displays and Traces
    19
  - Outputs, Offsets and Expands
    25
  - Scans and Sweeps
    29
  - Storing and Recalling Data
    35
  - Using the Disk Drive
    35
  - Storing and Recalling Settings
    41
  - Aux Outputs and Inputs
    43
  - Trace Math
    47
  - What Is a Lock-In Amplifier
    55
  - What Is Phase-Sensitive Detection
    55
- Sr850 Basics
  
  55
  - What Does a Lock-In Measure
    57
    
    RMS or Peak
    57
    
    Degrees or Radians
    57
  - The SR850 Functional Diagram
    59
  - Reference Channel
    61
  - Harmonic Detection
    62
  - Phase Sensitive Detectors
    63
  - Time Constants and DC Gain
    65
  - DC Outputs and Scaling
    67
  - Dynamic Reserve
    71
  - What Is Dynamic Reserve Really
    71
  - Signal Input Amplifier and Filters
    73
    
    Notch Filters
    73
    
    Input Impedance
    74
    
    Anti-Aliasing Filter
    74
  - Input Connections
    75
  - Intrinsic (Random) Noise Sources
    77
  - External Noise Sources
    79
    
    Capacitive Coupling
    79
    
    Inductive Coupling
    79
    
    Resistive Coupling or Ground Loops
    80
    
    Thermocouple Effects
    80
  - Noise Measurements
    81
    
    How Does a Lock-In Measure Noise
    81
    
    Noise Estimation
    81
    
    Power Button
    83
- Front Panel
  
  83
  - Video Display
    83
  - Soft Keys
    84
  - Keypad
    84
  - Spin Knob
    84
  - Disk Drive
    84
  - Front Panel BNC Connectors
    84
- Screen Display
  
  87
  - Default Display
    87
  - Data Traces
    88
  - Bar Graphs
    91
  - Polar Graphs
    92
  - Strip Charts
    93
  - Trace Scans, Sweeps and Aliasing
    95
  - Settings and Input/Output Monitor
    97
  - Menu Display
    97
  - Status Indicators
    98
- Keypad
  
  101
  - Normal and Alternate Keys
    101
  - Menu Keys
    101
  - Additional Menus
    102
  - Entry Keys
    102
  - START/CONT and PAUSE/RESET
    102
  - Cursor
    103
  - Active Display
    103
  - Mark
    103
  - Cursor Max/Min
    104
  - Auto Reserve
    104
  - Auto Gain
    104
  - Auto Phase
    104
  - Auto Setup
    104
  - Autoscale
    104
  - PRINT to a PRINTER
    105
  - Help
    105
  - Local
    105
- Rear Panel
  
  107
  - Power Entry Module
    107
  - IEEE-488 Connector
    107
  - RS232 Connector
    107
  - Parallel Printer Connector
    107
  - PC Keyboard Connector
    107
  - Rear Panel BNC Connectors
    108
    
    Monitor out
    108
  - TTL Sync Output
    109
  - Trigger Input
    109
  - Preamp Connector
    109
- Using Srs Preamps
  
  109
Sr850 Menus

111
- Default Settings
  112
- Default Settings
  
  113
- Reference and Phase
  
  113
  - Reference and Phase Menu
    113
    
    Auto Phase
    113
    
    Reference Source
    114
    
    Internal Sweeps
    115
  - Input and Filters Menu
    117
- Input and Filters
  
  117
  - Line Notch Filters
    117
  - Gain and Time Constant Menu
    119
- Gain and Time Constant
  
  119
  - Auto Reserve
    121
  - Time Constant
    121
  - Output and Offset Menu
    125
- Output and Offset
  
  125
  - Auto Offset
    125
  - Front Panel CH1 and CH2
    125
  - Output Offset and Expand
    126
  - Trace and Scan Menu
    127
- Trace and Scan
  
  127
  - Sample Rate
    128
  - Scan Length
    129
  - Display and Scale Menu
    131
- Display and Scale
  
  131
  - Display Scales
    131
  - Aux Outputs Menu
    135
- Aux Outputs
  
  135
  - Cursor Setup Menu
    139
- Cursor Setup
  
  139
  - Cursor Control
    140
  - Cursor Readout
    140
  - Edit Mark Menu
    141
- Edit Mark
  
  141
  - Cursor to Next Mark
    141
  - Delete Mark
    142
  - Math Menu
    143
- Math
  
  143
  - Smooth
    144
    
    View Parameters
    145
    
    Operation
    148
  - Stats
    150
  - Disk Menu
    151
- Disk
  
  151
  - Recall Data
    154
  - Save Settings
    156
  - Recall Settings
    157
  - Disk Utilities
    158
  - Setup Keys
    159
- System Setup
  
  159
  - System Setup Menu
    159
- Settings
  
  160
  - Com
    160
  - Plotter
    160
  - Printer
    160
  - Screen
    160
  - Sound
    160
  - GPIB Communications
    161
    
    Setup Communications
    161
    
    Key Click
    164
    
    Plot Mode
    165
    
    Printer Type
    167
    
    Setup Printer
    167
    
    Setup Time
    169
- Plot
  
  171
- Info
  
  173
  - Srs
    173
  - Commands
    173
  - Status Bytes
    173
    
    Test Hardware
    175
    
    Printer Test
    176
    
    Memory Test
    176
- RS-232 Test
  
  176
  - Disk Drive
    176
  - Printer
    176
  - Command Syntax
    177
  - Status Indicators and Queues
    177
    
    Remote Programming
    177
  - GET (Group Execute Trigger)
    178
  - Interface Ready and Status
    178
- Detailed Command List
  
  179
  - Reference and Phase
    180
  - Input and Filter
    182
    
    GAIN and TIME CONSTANT COMMANDS
    183
  - Output and Offset
    185
  - Trace and Scan
    186
  - Display and Scale
    187
  - Cursor Commands
    189
  - Mark
    190
  - Aux Input and Output
    191
  - Math
    192
  - Store and Recall
    194
  - Setup
    195
  - Print and Plot
    197
  - Front Panel and Auto Functions
    198
  - Data Transfer
    199
  - Interface
    202
    
    Interface Commands
    204
  - Status Reporting
    205
- Status Byte Definitions
  
  206
  - Serial Poll Status Byte
    206
  - Service Requests
    207
  - Standard Event Status Byte
    207
  - LIA Status Byte
    208
  - Error Status Byte
    208
    
    Example Program
    209
  - Introduction
    219
    
    Performance Tests
    219
  - Preset
    219
  - Serial Number
    219
  - Firmware Revision
    219
  - General Installation
    220
    
    Screen Brightness
    220
    
    Display Position
    220
  - Necessary Equipment
    221
  - If a Test Fails
    221
- Performance Tests
  
  221
  - Self Tests
    223
  - DC Offset
    225
  - Common Mode Rejection
    227
  - Amplitude Accuracy and Flatness
    229
  - Amplitude Linearity
    231
  - Frequency Accuracy
    233
  - Phase Accuracy
    235
  - Sine Output Amplitude
    237
  - DC Outputs and Inputs
    239
  - 10. Input Noise
    241
- Performance Test Record
  
  243
- Circuit Boards
  
  247
  - Adjusting Notch Filters
    252
    
    Circuit Description
    255
  - Video Driver and CRT
    255
  - Circuit Boards
    255
  - CPU Board
    257
    
    Circuit Description
    258
  - Power Supply Board
    259
    
    Unregulated Power Supplies
    259
    
    Power Supply Regulators
    259
  - DSP Logic Board
    261
    
    Dac Outputs
    262
  - Analog Input Board
    263
- Parts List
  
  265
  - Power Supply Board
    265
  - DSP Logic Board
    267
  - Analog Input Board
    274
  - CPU Board
    281
  - Chassis Assembly
    286
  - Miscellaneous
    289

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