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Model 4280A
Table of Contents
TABLE OF CONTENTS
Section
Title
Page
3-210.
Data Format
in
Standard
Data
Transfer
Mode
. . . 3-108
Output
Data Formats
in Standard
Data
Transfer
Mode
. . . 3-109
Isolate
Function
. . . . . . 3-111
Restrictions
on Changing
Connection
Modes
. . . 3-111
LEARN Mode
. . . . . . . . . . . . 3-111
Service
Request
Status
Byte
. . . . . . . . . . . . . . . 3-116
4280A Programming
Guide
. . . . . . . . . . . . . . 3-118
3-212.
3-214.
3-216.
3-218.
3-220.
3-222.
Appendix
External
Error
Correction
. . . . . . .
A-l
IV
PERFORMANCE TESTS
4-l.
4-3.
4-5.
4-7.
4-9.
4-l
1.
4-13.
4-19.
4-21.
4-23.
4-25.
Introduction
. . . . . . . . . .
Equipment
Required
. . . .
Test
Record
. . . . . . . . . . .
Calibration
Cycle
. . . . .
Test
Frequency
Accuracy
Test
. . . . . . . . . . . . . . .
Test
Signal
Level
Accuracy
Test
. . . . . .
Measurement
Accuracy
Tests
. . . . . . . . . . . . . .
Internal
Bias Voltage
Accuracy
Test
. . . . . .
RECORDER OUTPUTS
Voltage
Accuracy
Test
. . . . . . . . . . . . . . .
HP-IB Interface Test . . .
Conductance
Measurement
Accuracy
Confirmation
Check
. . . . . . . . . . . . . .
4-l
4-l
4-l
4-l
4-7
4-8
4-9
4-15
4-17
4-18
Section
5-17.
5-19.
5-21.
5-23.
5-25.
5-27.
5-29.
5-31.
5-33.
5-35.
5-37.
5-39.
5-41.
5-43.
5-45.
5-47.
5-49.
5-51.
5-53.
Title
Page
Al4 Switching
Frequency
Adjustment
. . . . . . . . . .
5-6
All
Reset
Circuit
Adjustment
. . . . . . . . . .
5-7
Al4 +5V Adjustment
. . . . .
5-9
A5 +12OV Adjustment
. . . . 5-10
A4 Oscillator
Level
Adjustment
. . . . . . . . . . 5-11
A8 Integrator
Offset
Adjustment
. . . . . . . . . . 5-12
A8 Auto Zero
Adjustment
. . . . . . . . . . 5-14
A8/A7 Test
Signal
Phase
Adjustment
. . . . 5-15
A7 Tracking
Adjustment
. . . . . . . . . . 5-17
A8 90'
Phase
Adjustment
. . . . . . . . . . 5-19
A8 S/H Gate
Adjustment
. . . . . . . . . . 5-21
A2 DC Offset
Adjustment
. . . . . . . . . . 5-23
A6 Loop Phase
Adjustment
. . . . . . . . . . 5-25
A6 Bandpass
Filter
Adjustment
. . . . . . . . . . 5-28
A6 I-V Offset
Adjustment
. . . . . . . . . . 5-29
A2 Range Resistor
Adjustment
. . . . . . . . . . 5-30
A3 26dB L-R Amplifier
Adjustment
. . . . . . . . . . 5-31
A4 DC Bias Supply
Adjustment
. . . . . . . . . . 5-33
A10 Analog
Output
Adjustment
. . . . . . . . . . 5-35
VI
REPLACEABLE PARTS
4-27
V
ADJUSTMENTS
5-l.
Introduction
. . . . . . . . . .
5-l
5-3.
Safety
Requirements
. . .
5-l
5-7.
Equipment
Required
. . . .
5-l
5-9.
Factory
Selected
Components
. . . . . . . . .
5-l
5-11.
Adjustment
Relationships
. . . . . .
5-5
5-13.
Adjustment
Locations
. . .
5-5
5-15.
Initial
Operating
Procedure
. . . . . . . . . .
5-5
6-l.
Introduction
. . . . . . . . . . .
6-l
6-3.
Abbreviations
. . . . . . . . . .
6-l
6-5.
Replaceable
Parts
List
. . . . . . . . . . . . . . . .
6-l
6-7.
Ordering
Information
. . . .
6-2
6-10.
Direct
Mail
Order
System
. . . . . . . . . . . . . .
6-2
VII
MANUAL CHANGES
::::
Introduction
...........
7-l
Manual
Changes
.........
7-l
. . .
111
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