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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. Cat No SC0240. Price: Free Files: Calibrated Mic PCBs (01108231-2).pdf (32.0KB) Related to: Project: Calibrated Measurement Mic (August 2023 [print issue] [online issue]) Project: Reference MEMS Microphones (April 2024 [print issue] [online issue]) Other items relevant to these projects: Calibrated Measurement Microphones: Calibrated Measurement Microphone PCB (SMD version) [01108231] ($2.50) Calibrated Measurement Microphone PCB (TH version) [01108232] ($2.50) Short-form kit for the Calibrated Microphone (SMD version) ($22.50) Short-form kit for the Calibrated Microphone (TH version) ($25.00) Simulation and calculation files for the Calibrated Measurement Microphone (Free) Calibrated Measurement Mic: Calibrated mic capsule set - Panasonic WM61A lot 4A14 ($12.50) Calibrated mic capsule set - JLI61A lot 3 ($12.50) Calibrated mic capsule set - JLI60A V02 ($12.50) Calibrated mic capsule set - CMC6027 ($12.50) Calibrated mic capsule set - CMC2742 ($12.50)