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Tantalum.\nYuSynth 1, 10 µF tantalum.\nMFOS 1, 1+15 µF electrolytic.\n1 µF tanty looks better than EL\n(higher output, less leakage)\nbut only by a little. 1 µF \npolyester film looks much \nbetter. Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14 13.8x12.6x5.0mm, https://www.chilisin.com/upload/media/product/power/file/BMRx_Series.pdf Inductor, Chilisin, BMRB00050518, 5.7x5.4x1.8mm, https://www.chilisin.com/upload/media/product/power/file/BMRx_Series.pdf Inductor.

  • M66 GSM NB-IoT module, 19.9x23.6x2.2mm, https://www.quectel.com/UploadImage/Downlad/Quectel_BC95_Hardware_Design_V1.3.pdf GSM NB-IoT.
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