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OpAmp Test Jig PCB

FiveFish Audio November 23, 2015 November 23, 2015DIY, Test Equipment

Fresh PCBs from factory…. back in stock! OpAmp Test Jig PCB. http://fivefishaudio.com/diy/opamptestjig/ The board can be configured for either Unity Buffer or Amplifier configuration. For the Amplifier configuration, it can be selected for either Non-Inverting or Inverting configuration. Gain is adjustable via jumpers from …

HP8904A Multifunction Generator — Can you guess the sound?

FiveFish Audio November 21, 2015 November 21, 2015Pro Audio, Test Equipment

A few months ago, I got an HP 8904A Multifunction Synthesizer, from DC to 600kHz (from eBay). Got it for a good price, fully loaded with options. The unit has (2) balanced/floating outputs, (4) internal channels, and can do “noise”, square, ramp, triangle up to 50kHz, and sine waves up …

Category: Test Equipment

OpAmp Test Jig PCB

HP8904A Multifunction Generator — Can you guess the sound?

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