LIST OF ILLUSTRATIONS

 

 

Figure

 

 

Page No.

1-1DC Power Supply, Model 6259B, 6260B, 6261B, 6268B, or 6269B

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. . .. l-l

2-1Outline Diagram . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . 2-1

2-2Bias Transformer Primary Connections for 208Vac and 115Vac Operation . . . .

. . .2-2

2-3Power Transformer Primary Connections for 208Vac and 115Vac

Operation . .

. ...2-2

2-4Power Transformer T1 Primary Connections for 208Vac Operation. .

. . . . . . . . .

. .. 2-3

2-5RF I Choke (A2L1A/A2L1B) Connections for 115Vac Operation . . . . . . . . . . . . .

. ...2-3

3-1

Front Panel Controls

and Indicators . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . .

. . . 3-1

3-2Normal Strapping Pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. ...3-2

3-3Remote Resistance Programming (Constant Voltage) . . . . . . . . . . .

. . . . . . . . . .

. ...3-3

3-4Remote Voltage Programming, Unity Gain (Constant Voltage) . . . .

. . . . . . . . .

. ...3-3

3-5Remote Voltage Programming, Non-Unity Gain (Constant Voltage). . . . . . . . . . ...3-4

3-6Remote Resistance Programming (Constant Current) . . . . . . . . . . .

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. ...3-4

3-7Remote Voltage Programming, Unity Gain (Constant Current) . . . .

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. ...3-5

3-8Remote Voltage Programming, Non-Unity Gain (Constant Current). . . . . . . . . . ...3-5

3-9Remote Sensing. . . . .

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. . . 3-5

3-10Auto-Parallel Operation, Two and Three Units . . . . . . . . . . . . . . .

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. ...3-6

3-11Auto-Series Operation, Two and Three Units . . . . . . . . . . . . . . . . . . . . . . . . . . .

. ...3-7

3-12

Auto-Tracking, Two

and Three Units . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . .

. . . 3-8

4-1Overall Block Diagram .

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. ...4-1

4-2

Operating Locus of a

CV/CC Power Supply . . . . . . . . . . . . . . . . .

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. . . 4-2

4-3Triac Phase Control Over AC Input Amplitude . . . . . . . . . . . . . . . .

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. ...4-3

4-4

Preregulator Control Circuit Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

5-1

Differential Voltmeter Substitute Test Setup . . . . . . . . . . . . . . . .

. . . . . . . . . . . .

. . . 5-2

5-2

Constant Voltage Load Regulation Test Setup . . . . . . . . . . . . . . .

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. . . 5-3

5-3Ripple Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . .

. . . 5-4

5-4Noise Spike Measurement Test Setup . . . . . . . . . . . . . . . . . . . . . .

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. ...5-5

5-5Transient Recovery Time Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. ...5-6

5-6Transient Recovery Time Waveforms . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . .

. ...5-6

5-7Current Sampling Resistor Connections . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . .

. ...5-8

5-8Constant Current Load Regulation Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . .

. ...5-8

5-9Constant Current Ripple and Noise Test Setup . . . . . . . . . . . . . . .

. . . . . . . . . .

. ...5-9

5-10“ZERO ADJUST’’ Section of Main Circuit Board . . . . . . . . . . . . . . . . . . . . . . . .

. . ...5-19

7-1A2 RFI Assembly Component Location Diagram . . . . . . . . . . . . . . . . . . . . . . . . .

. ...7-2

7-2

A3 Interconnection Circuit Board Assembly Component Location

Diagram. . .

. ...7-2

7-3Top Front Chassis Assembly Component Location Diagram . . . . . . .

. . . . . . . . . . .

. . 7-3

7-4Bottom Front Chassis Assembly Component Location Diagram . . .

. . . . . . . . .

. ...7-4

7-5Bottom Rear Chassis Assembly Component Location Diagram . . . . . . . . . . . . .

. ...7-5

7-6

Series Regulator Emitter Resistor Assembly Component Location

Diagram . .

. ...7-6

7-7A4 Heat Sink Assembly Component Location Diagram (Top View) .

. . . . . . . . .

. ...7-6

7-8A4 Heat Sink Assembly Component Location Diagram (End View) .

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. ...7-7

7-9

Preregulator Control

Circuit Waveforms . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . .

. . . 7-7

7-10A1 Main Printed Circuit Board Component Location Diagram. . . . . . . . . . . . . .

. ...7-8

7-11Schematic Diagram . .

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. . Foldout

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