Lock-In Amplifiers SR844 – Stanford Research Systems Lock-in Amplifiers July 30, 2013 Jeff Newman SR844 – Stanford Research Systems Lock-in Amplifiers 200.00kHz (High end frequency limit) Share this:Share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on StumbleUpon (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Reddit (Opens in new window)