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Synching Keithley6221 Ac source with SRS830 Lock-inamplifier for 2nd harmonic measurements
Hi,
I want to sync keithley 6221 Ac source with SRS830 lock in amplifier.I want to source sinusoidal AC current with an additional phase difference 90 deg to my test sample and then I want to measure the 2nd harmonic voltage from my test sample using Lockin amplifier. I understand that for synching we have to connect the trigger link port of AC source with the reference of Lock-in but which I am not getting which pin(1-8) has to be connected.Also how do we make sure that the frequency and phase are locked for both of them?Please let me know about it.
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