Agilent Technologies E1356A Manual de Serviço descarregar pdf (Página 35)

LO to Chassis Leakage 1. Make Hardware Connections

• Turn power supply and mainframe power OFF

• Connect DMM, power supply, and resistor as shown in

Figure 2-10

• Turn power supply and mainframe power ON

2. Check Direct Terminals Leakage Current

• Send *RST to FET Multiplexer

• Send TRIG SGL to DMM

• Record the DMM reading in Table 2-1

Positive Polarity, LO to Chassis, Direct

• The DMM measurement should be less than 0.010 Vdc.

A measurement out of this range indicates a failure of the

FET Multiplexer.

3. Check Channels Leakage

• Send CLOS(@nn00) to the FET Multiplexer, where nn is the

card number (typically 01)

• Send TRIG SGL to DMM

Agilent E1300B/E1301B

Figure 2-10. Positive LO to Chassis Leakage Connections

Verification Tests 2-17

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 67 68

*E1351-90011* 1
WARNINGS 4
Printing History 4
Safety Symbols 4
Declaration of Conformity 5
Manual Descriptions 7
What’s in this Manual 8
Table of Contents 9
Chapter 3 — Replaceable parts 10
Chapter 4 — Service 10
Chapter 1 11
General Information 11
Considerations 12
General Information 1-3 13
FET Multiplexer 14
Description 14
General Information 1-5 15
Recommended 16
Test Equipment 16
Inspection/ 16
Shipping 16
General Information 1-7 17
Guidelines 18
Chapter 2 19
Verification Tests 19
Functional 20
Verification 20
Verification Tests 2-3 21
Test 2-1: Closed 22
Resistance Test 22
LO Channel 23
Verification Tests 2-5 23
Tree Switch HI Channel 24
2-6 Verification Tests 24
Tree Switch LO 25
Verification Tests 2-7 25
Example: Closed 26
Channel Resistance 26
2-8 Verification Tests 26
Verification Tests 2-9 27
2-10 Verification Tests 28
Typical Result 29
Verification Tests 2-11 29
Test 2-2: Leakage 30
Verification Tests 2-13 31
2-14 Verification Tests 32
Verification Tests 2-15 33
2-16 Verification Tests 34
Verification Tests 2-17 35
2-18 Verification Tests 36
Example: Leakage 37
Current Test 37
Verification Tests 2-19 37
2-20 Verification Tests 38
Verification Tests 2-21 39
Performance 40
Test Record 40
Test Accuracy 41
Ratio (TAR) 41
2-24 Verification Tests 42
Verification Tests 2-25 43
2-26 Verification Tests 44
Chapter 3 45
Replaceable Parts 45
3-2 Replaceable Parts 46
Replaceable Parts 3-3 47
3-4 Replaceable Parts 48
Mechanical 49
Locators 49
3-6 Replaceable Parts 50
Chapter 4 51
4-2 Service 52
Service 4-3 53
4-4 Service 54
Service 4-5 55
Troubleshooting 56
Techniques 56
Making Visual 57
Repair and 58
Maintenance 58
Chapter A 59
Example C Programs A-3 61
A-4 Example C Programs 62
Example C Programs A-5 63
Example: Leakage 64
Example C Programs A-7 65
A-8 Example C Programs 66
Example C Programs A-9 67
A-10 Example C Programs 68

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