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RLC Digibridge 1693
IET Labs, Inc. RLC Digibridge 1693 Manuals
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IET Labs, Inc. RLC Digibridge 1693 manual available for free PDF download: User And Service Manual
IET Labs, Inc. RLC Digibridge 1693 User And Service Manual (171 pages)
Brand:
IET Labs, Inc.
| Category:
Test Equipment
| Size: 9.26 MB
Table of Contents
Table of Contents
5
Safety Information
13
General Safety Information
13
Abbreviated Specifications
15
Features
15
Applications
15
Figure-A: Source Impedance Factors
17
Condensed Operating Instructions
22
Chapter 1 Introduction
25
Purpose
25
General Description
26
1693 RLC Digibridge Overview
26
References
26
Controls, Indicators, and Connectors
26
Figure 1-1: 1693 RLC Digibridge, Front View
26
Figure 1-2: 1693 Front Display
27
Figure 1-3: 1693 Keyboard
27
Figure 1-4: Rear Controls and Connectors on 1693 Digibridge
29
Accessories
30
Supplied Accessories
30
Optional Accessories
30
Figure 1-5: Typical Operating Guide Attached to 1693
31
Chapter 2 Installation
32
Unpacking and Inspection
32
Dimensions
32
Power Line Connection
32
Line-Voltage Regulation
32
Figure 2-1: Input Power Module with a Drawer for the Input Fuse
32
Test-Fixture Connections
33
Bias Voltage for the DUT
33
Internal Bias
33
External Bias
33
IEEE-488 Interface
34
Description
34
Signal Identification
34
Codes and Addresses
34
Figure 2-2: IEEE-488 Interface
34
Figure 2-3: DIP Switch Set to Decimal Address 3
35
Environment
36
Rack Mount Option
36
Chapter 3 Operation
37
Basic Operation
37
Overview
37
Startup
37
Zeroing
38
Figure 3-1: Open and Short Measurements with Banana Plugs
38
Figure 3-2: Open and Short Measurements with Kelvin Cables
39
Figure 3-3: Open and Short Measurements with Bnc-To-Bnc Cables
39
Figure 3-4: Open and Short Measurements with GR874 Connectors
40
Figure 3-5: Chip Component Tweezers
40
Routine Measurement
41
Figure 3-6: Open and Short Measurements in 1689-9600
41
Connecting the DUT
42
Overview
42
The 1689-9600 Remote Test Fixture (with 1689-9602 BNC Cable)
42
Figure 3-7: Connecting Remote Test Fixture to RLC Digibrige
42
Using the Test-Fixture Adaptors for Axial-Lead DUT
43
Figure 3-8: 1689-9600 Remote Test Fixture
43
Figure 3-9: 1689-9600 Remote Test Fixture with 1657-5995 Test Clips
43
1657-9600 Banana Plug Extender Cable
44
Figure 3-10: Banana Plugs on the 1657-9600 Cable
44
Figure 3-11: Connecting Remote Test Fixture and the Extender Cable to RLC Digibrige
44
The 1689-9602 Extender Cable with Bnc-To-Banana-Plug Adaptors
45
The Effects of Cable and Fixture Capacitances
45
Figure 3-12: 1689-9602 Extender Cable with Bnc-To-Banana-Plug Adapters
45
7000-05 Tweezers
46
Figure 3-13: 7000-05 Chip Component Tweezers
46
1700-03 Kelvin Clip Cable
47
Figure 3-14: 1700-03 Kelvin Cables
47
7000-04 Alligator Clip Leads
48
Figure 3-15: 7000-04 Alligator Clip Leads
48
Figure 3-16: Connecting Alligator Clips
48
Connection to HACS-Z High Accuracy Decade Capacitor
49
Figure 3-17: Connection to HACS-Z BP Terminals with 1689-9602 Cable and 1894 & 4684 Adapters
49
Figure 3-18: Connection to HACS-Z BP Terminals with 1657-9600 Extender Cable or 7000-04 Cable (Without Alligator Clips)
49
Figure 3-19: Connection to HACS-Z Bnc Terminals with 1689-9602 Cable with 6700 Adapters
50
Connection to 1482 Inductance Standard
51
Figure 3-20: Connecting 1693 to 6-Terminal 1482
51
Figure 3-21: Direct Connection of 1693 and 1482
51
Connection to 1409 Capacitance Standards
52
Figure 3-22: Connecting 1693 to a 3-Terminal 1482
52
Figure 3-23: Connection to 1409 Standard Capacitor
52
Connection to 1404 Reference Standard Capacitor
53
Figure 3-24: Connecting 1693 to a 1404
53
Connection to 1417 Capacitance Standard
54
Figure 3-25: Connecting to a 1417
54
Connection to the 1433 Decade Resistor
55
Measurement Parameters, Result Displays, and Outputs
57
Parameters (R/Q,L/Q, C/D,C/R,R/X,G/B,Z/ANG,Y/ANG)
57
Equivalent Circuits - Series, Parallel
58
Results Displayed
61
Units, Multipliers, and Blank Displays
63
D, Q, ANG in PPM
64
Ratio Displays, Virtual Range Extensions, and Conductance Measurements
65
Principal Test Conditions
66
Test Frequency
66
Test Voltage
67
Constant Voltage Source
68
Constant Current Source
68
Other Conditions
68
Measurement Time and Measurement Ranges
69
General
69
Measure Rate Selection at Keyboard
69
Settling Time or Programmed Delay, in Triggered Measure Mode
70
Measure Mode and Display Selection, Effects on Measurement Time
70
Integration-Time Factor (a Special Function)
70
Ranges and Range Changing
71
Range Holding
72
Time Required for Obtaining Median Values and Averaging
73
Time Required if IEEE-488 Output Is Enabled
74
Effect of Selecting a Low Test Frequency on Measurement Time
74
Measurement Time Summary
75
Accuracy, the Limits of Errors
76
General
76
Accuracy for some Typical Conditions
77
Averaging to Improve Accuracy
78
Selection of Median Value for Better Accuracy
79
Accuracy Enhancement for Large or Small Impedances at Particular Frequencies
79
Accuracy Enhancement by Special Attention to Short-Circuit Inductance
80
Cable-Related Errors and How to Correct for Them
81
Use of Signal Reversing (Special Function) for Tests at Power Frequencies
82
Accuracy When Holding a Non-Optimum Range
83
Bias for the DUT
83
Internal Bias
83
External Bias
84
Suppression or Transients
86
Bin Sorting and Go/No-Go Results
86
Introduction to Binning (Sorting Based on Limit Comparisons)
86
Sorting Methods
86
Limit Entry Procedure
87
Verification of Nominal and Limit Values
88
Examples of Limit Entry
89
Notes on Limit Entries in General
90
Go/No-Go and bin Assignment Results
91
Bin Sum Information
91
Binning and Ratio Measurement Simultaneously
91
Keyboard Lock, Function Map, and Summary of Integrations
93
Keyboard Lock
93
Function Map
93
Summary of Interrogations
94
Special Functions
95
Data Output and Programming Via IEEE 488 and RS-232 Interface
96
Overview
96
Configuration
96
Talk-Listen / Talk-Only Toggle Switch
96
GPIB Address DIP Switch
97
Jumpers
97
Serial Interface (Currently Not Implemented)
97
Instrument Program Commands
98
Legacy Digibridge IEEE-488 Commands
99
IEEE 488.2/SCPI Digibridge Command Summary
101
IEEE 488.2 / SCPI Digibridge Command Reference
104
Example Programming
115
Talk-Only Use, for Data Output
115
Talk/Listen Use, for Remote Programming and Data Transfers
118
Data Output in Compacted Binary Format
121
Sample IEEE Programs
124
Programming Hints
124
National Instruments GPIB-Pcll Card with the PC
124
Self-Checks and Failure Displays (Error Codes)
125
Power-Up Self-Check
125
Failure Display Due to Signal Overload
126
Failure Display Due to Abnormal Measurement Cycle
126
Failure Display Due to LC Resonance
126
Chapter 4 Theory
128
Introduction
128
General
128
Brief Description of the 1693 Digibridge
128
Block Diagram
129
Principal Functions
131
Elementary Measurement Circuit
131
Frequency and Time Source
131
Sine-Wave Generation
131
The Dual-Slope Integrating Detector and Converter
133
Chapter 5 Service and Maintenance
134
Safety
134
Customer Service
135
Instrument Return
135
Packaging
135
Repair and Replacement of Circuit Boards
135
Performance Verification
136
Overview
136
Performance Verification Procedure
136
Measurement-Time Checkout
139
Disassembly and Access
140
Relocation of Bnc Connector Bracket
143
Major Internal Components
144
Interface Options
145
Removal of Multiple-Pin Packages
146
Periodic Maintenance
146
Care of Test Fixtures
146
Care of the Display Panel
146
Trouble Analysis
147
Overview
147
Power-Up Self Check and Certain Aborted Measurements
148
Internal Fuse Replacement
151
Power Supply and Regulator Board
152
Sinewave Generator Checks
153
Front End Amplifiers and Switches
153
Accuracy Verification
154
General
154
Capacitance Measurement Accuracy (Ranges 1-3)
155
Capacitance Measurement Accuracy
156
Resistance Measurement Accuracy
158
Inductance Measurement Accuracy
159
D Measurement Accuracy
161
Limit Comparison Bins
162
Recalibration
164
Preparation
164
Zeroing and Selecting "DQ in PPM
165
Recalibration for Range 4
165
Recalibration for Range 3
166
Recalibration for Range 2
166
Recalibration for Range 1
167
Frequency Calibration
167
Frequency Correction K Factor Procedure
168
Internal Address Settings for IEEE-488 Interface
170
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