Analog ground not at 2.15V.

froeca / Software-Defined-Radio

A cheap PC-based, software-defined radio receiver built with Konrad McClure. Made in fulfillment with ENGR 397 class requirements.

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Open froeca opened 4 years ago

froeca commented 4 years ago

On version v2a, we are reading only about 1.6V on AGND instead of 2.15V. See the image detailing the measurements below.

issue_DCbiaspt

frohro commented 4 years ago

Isn't GNDA set now by your LM741 op amp? GNDA Did this close this issue?