Monitoring Filtered Signal in Lock-In Instrument with PID

Support & Troubleshooting
1

Hi, I am using a Moku:Lab, version 3.1. In the lock-in amplifier instrument, is there a natural way to probe the demodulated and filtered signal (i.e., error signal) when the PID controller option is engaged? I have attached a screenshot showing this probe point:

Moku_LockIn
Moku_LockIn1978×762 190 KB

I understand that I could 1. add an external PID controller using multi-instrument mode and monitor the lock-in output or 2. output a second filtered signal and monitor that, but I would prefer to use only one instrument and to save the second output for the local oscillator. Thanks!

2

Hi @wtobias Will,

Thank you for posting the questions here!

Unfortunately, I am sorry that we currently don’t have the probe point before the signal entering the PID. I will make a feature request for this point. Thank you very much for your understanding and patience!

Best regards,
Hank

3

Thanks, Hank! This probe point would be very useful for monitoring the performance of the loop.