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Guitar pickup test instrument
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LICENSE
README.md
Spectrum.png
Spectrum_detail.png
V5.8-18-09-30-gerbers.zip
V5.8-18-09-30.brd
V5.8-18-09-30.sch
V5.8-BOM.ods
V5.8_Integrator_Manual.pdf Add manual for V5.8 May 20, 2019
advanced_measurement_3.png
board_V5.8-schematic.png
spreadsheet.png
test log template 2018-10.ods

README.md

integrator

Guitar pickup test instrument

The V5.8 integrator circuit provides a high impedance preamplifier, an integrator, and an output amplifier. It also has switches to control input gain, and to select between internally provided test loads. One of the loads is a large capacitor, to measure inductance, and the other is an RC load to simulate a typical guitar circuit. A three way switch can select between these two loads, or neither load in order to make an unloaded (actually minimally loaded) measurement.

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