ILX Lightwave LDC-3700 Series User Manual

CHAPTER 5 . THEORY OF OPERATION
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Introduction 3-1
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TEC Board Theory of Operation
S-2
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TEC Digital-Analog Interface S-2
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Limit DIA -5-3
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Set Point D/A 5-3
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AD Converter 5-3
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Sensor Select 53
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Difference Amplifier 5-3
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Proportional Amplifier 5-4
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Integrator -5-4
Bipolar Output Stage
.................................................................................................. 5-4
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Current Limiting 5-4
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Current Limit Condition Sensing 5-4
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Voltage Controlled Current Source 5-4
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Voltage Limit Condition Sensing 5-5
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TEC Control Modes 5-5
T Mode
.................................................................................................................... 5-5
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R Mode 5-5
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ITE Mode 5-5
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LASER Board Theory of Operation
5-6
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Main Processor Board 3-7
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Wcroprocessor 5-7
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Memory 5-8
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Optically Isolated Serial Interface 3-8
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Front Panel Interface 5-8
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Optional GPIB Interface 5-8
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Data Protection at Power-Down 5-8
Front Panel Display and Switch Boards
.............................................................................. 5-9
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D~splay Drivers. 5-10
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................................
Switches ..-........ 5-10
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LED Drivers 5-10
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ADJUST Knob 5-10
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Power Supply Board 5-10
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TEC Power Supplies 5-10
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LASER Power Supplies 5-11
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Main Processor Board Power Supplies
5-11
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Front Panel Boards Power Supplies
5-11
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Interlock Operation 5-11
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LASER Interlock 5-11
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TEC Interlcok 5-12
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Booster Operation 5-12
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ILX Lightwave LDC-3700 Series Specifications

General

Brand	ILX Lightwave
Model	LDC-3700 Series
Category	Controller
Language	English