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Old 19th Apr 2021, 5:31 pm   #9
David G4EBT
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Join Date: Feb 2003
Location: Cottingham, East Yorkshire, UK.
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Default Re: Buffer Amplifier for Digital Frequency Counter

Quote:
Originally Posted by ms660 View Post
15MHz aside, I suspect your schematic needs altering.

EDIT: Just seen the circuit board, the ground plane will be one plate of various capacitors.

Lawrence.
Thanks for reading the thread and for your feedback Lawrence, which makes sense. Likewise, the comment on the lack of an output coupling cap which could have been added to the PCB, (albeit the input to my counter has one). I guess the ground plane is both problematic and surplus to requirements.
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