2
Introduction
This chapter provides a basic overview of the SR124 Analog Lock-In
Amplifier.
In This Chapter
2.1
Introduction to the instrument . . . . . . . . . . . . . 2 – 2
2.1.1
Clock stopping architecture . . . . . . . . . . . 2 – 2
2.1.2
What does the SR124 measure? . . . . . . . . . 2 – 2
2.2
Instrument overview . . . . . . . . . . . . . . . . . . . 2 – 3
2.2.1
Reference section . . . . . . . . . . . . . . . . . 2 – 3
2.2.2
Signal section . . . . . . . . . . . . . . . . . . . 2 – 6
2.2.3
Input Filter . . . . . . . . . . . . . . . . . . . . 2 – 9
2.2.4
Output . . . . . . . . . . . . . . . . . . . . . . . 2 – 10
2.3
Navigating the front panel . . . . . . . . . . . . . . . 2 – 11
2.3.1
Signal input section . . . . . . . . . . . . . . . . 2 – 12
2.3.2
Output section . . . . . . . . . . . . . . . . . . 2 – 15
2.3.3
Setup section . . . . . . . . . . . . . . . . . . . 2 – 16
2.3.4
Reference section . . . . . . . . . . . . . . . . . 2 – 18
2 – 1
