Performance Verification
371B Service Manual
5-51
Table 5-10: Cursor Readout with Current
CURRENT
SOURCE Setting
PEAK POWER
WATTS Setting
VERTICAL
CURRENT/DIV Setting
VERTICAL
CURSOR Readout
-9.0
m
A
30 mW
1
m
A
8.77
m
A to 9.23
m
A
-90
m
A
3 W
10
m
A
87.7
m
A to 92.3
m
A
-1800
m
A
3 W
200
m
A
1753
m
A to 1847
m
A
-45.0 mA
30 W
5 mA
43.83 mA to 46.17 mA
Specifications:
Cursor accuracy is less than 1.5 % of READOUT plus 10 % of HORIZON-
TAL VOLTS/DIV setting.
Equipment Setup.
Set up the equipment as shown in the following illustration and
set controls as described.
371B
371B Settings:
Initialize the 371B, then set the following control as indicated.
DISPLAY
VERTICAL
2
m
A/DIV
HORIZONTAL
500 mV/DIV COLLECTOR
CURSOR
Mode
DOT
Protective Cover
OPEN
Test Equipment Settings:
VOLTAGE SOURCE
Mode
DC VOLTAGE
C7. Checking Accuracy of
Collector Current
Measurement in High
Current Mode
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...
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Page 289: ...371B Service Manual 6 5...
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