High-speed pHAT

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ReferencesQtyDescriptionManufacturerMPNManufacturerMPNManufacturerMPNManufacturerMPNDigikeyMouserRSFarnellLCSC
C11Capacitor 100p 0805AVX08051A101J4T4AKEMETC0805C101J5GACTUSamsungCL21C101JBANNNC399-1122-6-ND80C0805C101J5G26442921414656C1790
C3, C5, C6, C11, C15, C206Capacitor 10u 1206AVXTAJA106K016RNJSamsungCL31A106KAHNNNE1276-1075-6-ND581TAJA106K016R13601241432339C7171
C4, C7, C8, C9, C10, C12, C13, C16, C17, C19, C21, C22, C2313Capacitor 0.1u 0805YageoCC0805KRX7R9BB104MurataGRM21BR71H104KA01L311-1140-6-ND603CC805KRX7R9BB10466988423019949C77082
C181Capacitor 10n 0805AVX08051C103KAT2AKEMETC0805C103J5GACTU478-1358-6-ND58108051C103K80299141535573C188188
P213-pin general header PLS-3
P312-pin general header SCSL-2
P41Header, 3-Pin, Dual row Header 3X2 PBD-6

Module: A high speed ADC for the RaspberryPi

The board in red:

Description

What is it supposed to do?

I've always needed a small upgrade to the existing raspberry ADC extensions, would love something in the 20-Msps range. Let's see if one can do it! Never tried smd, and thinking of using both smd and dip.. interesting learning curve ahead.

I've tried 3 different versions, increasing in complexity

Image of these HATs

Some results

24 Msps with the latest version

Details and FFT of a signal at 1.9MHz

11 Msps with the previous

FFT of a signal at 1.9MHz

Testing a 1MHz signal with the CA3306

Imaging a 1MHz sine:

License

Bomanz

The echOmods project and its prototypes (so Bomanz) are open hardware, and working with open-hardware components.

Licensed under TAPR Open Hardware License (www.tapr.org/OHL)

Copyright Kelu124 (kelu124@gmail.com ) 2015-2018