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Well, THAT's Not Gonna Fucking Work!
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<blockquote data-quote="Mark DeArman" data-source="post: 39825" data-attributes="member: 950"><p>Re: Well, THAT's Not Gonna Fucking Work!</p><p></p><p>Here are the loopback results for the Lock-In amplifier. Granted I've never tried to measure frequencies this low with it, but it's pretty spot on. I also included images of the simple test setup.</p><p></p><p>(A) The Driverack 480 sitting on carts. It is plugged into a isolated power supply.</p><p>(B) NI Chassis with Lock-In amplifier setup.</p><p>(C) Closeup of panel configuration. PXI-6653 is connected internally with equal length paths to both cards. Signal output from the generator is T'd to AI0 of the PXI-4462. Software performs the Hilbert stuff.</p><p>(D) Disconnected signal conditioner normally used for acoustic measurements. But not in the signal chain.</p></blockquote><p></p>
[QUOTE="Mark DeArman, post: 39825, member: 950"] Re: Well, THAT's Not Gonna Fucking Work! Here are the loopback results for the Lock-In amplifier. Granted I've never tried to measure frequencies this low with it, but it's pretty spot on. I also included images of the simple test setup. (A) The Driverack 480 sitting on carts. It is plugged into a isolated power supply. (B) NI Chassis with Lock-In amplifier setup. (C) Closeup of panel configuration. PXI-6653 is connected internally with equal length paths to both cards. Signal output from the generator is T'd to AI0 of the PXI-4462. Software performs the Hilbert stuff. (D) Disconnected signal conditioner normally used for acoustic measurements. But not in the signal chain. [/QUOTE]
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