Specifications
371B Service Manual
1-5
Table 1-1: Collector ĂSupplyĂElectricalĂ Specification (Cont.)
Characteristic
Supplemental Information
Performance Requirement
CIRCUIT BREAKER
High Current Circuit Breaker is disabled by
rush current.
Interrupts COLLECTOR SUPPLY HIGH
CURRENT/ HIGH VOLTAGE outputs
separately.
Pulsed Collector Supply
Pulse amplitude is controlled by VARIABLE
COLLECTOR SUPPLY.
At High Current mode (Peak Power Watts
3 kW/ 300 W)
Repetition Rate
OneĆfourth (.25 X) line frequency
At 3 kW peak power watts.
OneĆhalf (.5 X) line frequency
At 300 W peak power watts.
Pulse Width (Half amplitude)
250
m
s +10 %, -10 %
More than 30 % of the collector supply
VARIABLE at open circuit.
150
m
s to 250
m
s
5 % to 30 % of the collector supply
VARIABLE at open circuit.
Rise time/ Fall Time
40
m
s to 120
m
s
With collector supply VARIABLE at 50 %.
COLLECTOR SUPPLY at Open circuit.
Overshoot/ Undershoot (Typical)
Less than 5 % of total output
More than 5 % of VARIABLE COLLECTOR
SUPPLY at Open circuit.
Table 1-2: Step ĂGenerator
Characteristics
Performance Requirements
Supplemental Information
Incremental Accuracy
(Current or Voltage Steps including
Offset)
Check DMM Reading.
Within 2 % between any two steps.
Without STEP MULTI .1X
Within 5 % between any two steps.
With STEP MULTI .1X
Absolute Accuracy
(Current or Voltage Steps including
Offset)
Within 2 % of total 3 % of S tep
range + 10 nA or 2 mV.
Without STEP MULTI .1X
Offset)
Within 4 % of total 5 % of S tep
range + 10 nA or 2 mV.
With STEP MULTI .1X
Offset Control Range
Variable 0 to 10 times STEP/OFFSET
AMPLITUDE setting. However, 0 to 5 times
when STEP/OFFSET AMPLITUDE is 5 V or
2 A.
Same polarity as step signal. Control
resolution is 1 %.
Number of Steps
0 to 10. However, 0 to 5 when STEP/OFFĆ
SET AMPLITUDE setting is 5 V or 2 A.
Step Polarity
Positive, Negative
Corresponds to the collector supply POLARĆ
ITY when step generator INVERT is disabled.
Summary of Contents for 371B
Page 4: ......
Page 14: ...Service Safety Summary 371B Service Manual...
Page 18: ...Preface 371B Service Manual...
Page 21: ...Specifications...
Page 22: ......
Page 24: ...Product Overview 371B Service Manual...
Page 38: ...Specifications 371B Service Manual...
Page 39: ...General Information...
Page 40: ......
Page 58: ...General Information 371B Service Manual...
Page 59: ...Theory of Operation...
Page 60: ......
Page 62: ...Theory of Operation 3 2 371B Service Manual Figure 3 1 371B Block Diagram...
Page 71: ...Maintenance...
Page 72: ......
Page 101: ...Performance Verification...
Page 102: ......
Page 220: ...Performance Verification 371B Service Manual...
Page 221: ...Options...
Page 222: ......
Page 226: ...Options and Accessories 371B Service Manual...
Page 227: ...Electrical Parts List...
Page 228: ......
Page 235: ...Diagrams...
Page 236: ......
Page 237: ...8 1 371B Service Manual Circuit Board Interconnections 2 2...
Page 238: ...371B Service Manual...
Page 239: ...8 3 371B Service Manual Circuit Board Interconnections 2 2...
Page 240: ...371B Service Manual...
Page 241: ...8 5 371B Service Manual Test Point Adjustment Locations 1...
Page 242: ...8 6 371B Service Manual Test Point Adjustment Locations 2...
Page 243: ...8 7 371B Service Manual Test Point Adjustment Locations 2...
Page 244: ...8 8 371B Service Manual Test Point Adjustment Locations 3...
Page 245: ...8 9 371B Service Manual Troubleshooting Tree...
Page 246: ...8 10 371B Service Manual Troubleshooting Tree Cont...
Page 247: ...8 11 371B Service Manual Troubleshooting Tree Cont...
Page 248: ...371B Service Manual...
Page 249: ...Mechanical Parts List...
Page 250: ......
Page 259: ...9 9 371B Service Manual Figure 9 1 Cabinet Rear 97 96 68...
Page 260: ...371B Service Manual...
Page 261: ...9 11 371B Service Manual Figure 9 2 Display Front 73...
Page 262: ...371B Service Manual...
Page 267: ...9 17 371B Service Manual Figure 9 3 Chassis Ciircuit Board...
Page 268: ...371B Service Manual...
Page 269: ...9 19 371B Service Manual Figure 9 4 Power Supply...
Page 270: ...371B Service Manual...
Page 276: ...Mechanical Parts List 371B Service Manual...
Page 277: ...9 27 371B Service Manual Figure 9 5 Test Fixture 78 78 REV MAR 96 75 72...
Page 278: ...371B Service Manual...
Page 279: ...9 29 371B Service Manual Figure 9 6 Front Porch...
Page 280: ...371B Service Manual...
Page 287: ...371B Service Manual...
Page 288: ...371B Service Manual...
Page 289: ...371B Service Manual 6 5...
Page 290: ...371B Service Manual...