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Simulation and calculation files for the Calibrated Measurement Microphone
A set of files (mainly spreadsheets and LTspice simulations) that can be used to customise the frequency response of a Measurement Microphone or otherwise used to verify the design.
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Calibrated Measurement Microphone PCB (SMD version) [01108231]
The SMD version PCB for the Calibrated Microphone.
Double-sided PCB with plated through holes, blue solder mask and silkscreen overlay.
64 x 13mm.
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Calibrated Measurement Microphone PCB (TH version) [01108232]
The through-hole version PCB for the Calibrated Microphone.
Double-sided PCB with plated through holes, blue solder mask and silkscreen overlay.
99 x 13mm.
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Calibrated Measurement Microphone PCB patterns (PDF download) [01108231/2]
A PDF with the PCB patterns for both Calibrated Microphone PCB designs.
They are double-sided designs; both layers of each are on the same page of the PDF.
Note that this would be pretty impractical to etch yourself so it's mainly provided as a reference.
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Short-form kit for the Calibrated Microphone (SMD version)
A kit that includes the PCB and all SMD components to build the main circuit board for the Calibrated Measurement Microphone. Suitable electret microphone capsules (ECMs) are available separately and those sets also include the required compensation components.
All that's left is the XLR socket, wire and housing. There are two options for the housing, as described in the article.
Note: photo shows assembled module. Some components may have a different appearance.
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Short-form kit for the Calibrated Microphone (TH version)
A kit that includes the PCB and all through-hole components to build the main circuit board for the Calibrated Measurement Microphone. Suitable electret microphone capsules (ECMs) are available separately and those sets also include the required compensation components.
All that's left is the XLR socket, wire and housing. There are two options for the housing, as described in the article.
Note: photo shows assembled module. Some components may have a different appearance.
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