Table of Contents
1.1 How to Use This Manual.................................................................................................................................. 1-1
1.2 What is a Lock-in Amplifier? ........................................................................................................................... 1-2
Chapter Two, Installation and Initial Checks
2.1 Installation ........................................................................................................................................................ 2-1
2.1.01 Introduction ............................................................................................................................................. 2-1
2.1.02 Rack Mounting ........................................................................................................................................ 2-1
2.1.03 Inspection ................................................................................................................................................ 2-1
2.1.04 Line Cord Plug ........................................................................................................................................ 2-1
2.2 Initial Checks .................................................................................................................................................... 2-3
2.2.01 Introduction ............................................................................................................................................. 2-3
2.2.02 Procedure ................................................................................................................................................. 2-3
2.3.01 Introduction ............................................................................................................................................. 2-5
2.3.02 Procedure ................................................................................................................................................. 2-5
Chapter Three, Technical Description
3.1 Introduction ...................................................................................................................................................... 3-1
3.2 Operating Modes .............................................................................................................................................. 3-1
3.2.01 Introduction ............................................................................................................................................. 3-1
3.2.03 Tandem Demodulation ............................................................................................................................ 3-1
3.2.06 Virtual Reference Mode .......................................................................................................................... 3-2
3.3 Principles of Operation ..................................................................................................................................... 3-2
3.3.01 Block Diagram ......................................................................................................................................... 3-2
3.3.02 Signal Channel Inputs.............................................................................................................................. 3-3
3.3.05 Anti-Aliasing Filter ................................................................................................................................. 3-6
3.3.07 Reference Channel Inputs ....................................................................................................................... 3-7
3.3.08 Reference Channel .................................................................................................................................. 3-7
3.3.09 Phase-Shifter ........................................................................................................................................... 3-8
Table of Contents
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