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cracked-machine / FunctionGeneratorCortexM4_HW

A function generator powered by ARM Cortex M4
MIT License
2 stars 2 forks source link

HW Upgrade - Replace PGA #2

Closed cracked-machine closed 4 years ago

cracked-machine commented 4 years ago

Replace PGA for higher input voltage IC

Best candidate: THS7001 Comes in dual package with independant gain controls, could be used for both MAIN and AUX outputs

cracked-machine commented 4 years ago

Added discrete PGA using Opamp and CD4051. Resolved in 884bd39716d23852e1e5afd593aa6cd09cad86fc