Table of Contents
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Chapter 1
Getting Started
3
The sine output from the SR865A is differential. This provides improved performance at
low amplitudes. A variable dc offset is provided in both differential and common mode.
Use either sine out for single ended excitation.
Outputs
The CH1 output can be proportional to either X or R, while the CH2 output can be
proportional to Y or θ. Output functions include offset (up to ±999% of the sensitivity),
expand (up to ×100) and ratio. These functions are generally only used when the CH1 or
CH2 outputs are being used to drive other parts of an experiment.
SR865A DSP Lock-in Amplifier
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