Table of Contents
1.1 How to Use This Manual.................................................................................................................................. 1-1
1.2 What is a Lock-in Amplifier? ......................................................................................................................... 1-10
Chapter Two, Installation and Initial Checks
2.1 Installation ........................................................................................................................................................ 2-1
2.1.01 Introduction ............................................................................................................................................. 2-2
2.1.02 Rack Mounting ........................................................................................................................................ 2-3
2.1.03 Inspection ................................................................................................................................................ 2-4
2.1.04 Line Cord Plug ........................................................................................................................................ 2-5
2.1.05 Line Voltage Selection ............................................................................................................................ 2-6
2.2 Initial Checks .................................................................................................................................................... 2-7
2.2.01 Introduction ............................................................................................................................................. 2-7
2.2.02 Procedure ............................................................................................................................................... 2-11
Chapter Three, Technical Description
3.1 Introduction ...................................................................................................................................................... 3-1
3.2 Operating Modes .............................................................................................................................................. 3-3
3.2.01 Introduction ............................................................................................................................................. 3-3
3.2.03 Tandem Demodulation ............................................................................................................................ 3-7
3.2.06 Virtual Reference Mode ........................................................................................................................ 3-12
3.3 Principles of Operation ................................................................................................................................... 3-16
3.3.01 Block Diagram ....................................................................................................................................... 3-16
3.3.02 Signal Channel Inputs............................................................................................................................ 3-20
3.3.05 Anti-Aliasing Filter ............................................................................................................................... 3-42
3.3.08 Reference Channel ................................................................................................................................ 3-55
3.3.09 Phase-Shifter ......................................................................................................................................... 3-62
Table of Contents
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