[600MRG] Noise issues.

[Kenneth G. Gordon]

On 11 Mar 2014 at 19:19, Brian, WA1ZMS wrote:

> My 2cents is to build one of the 'ZMS amps for the 600m loop. You can adjust
> the gain by changing the feedback cap. But the best point is that it will
> give you a nice "active balun" that should do a great job for a ballanced
> loop to a single- ended input in coax. 

What's the upper limit of the OP-27 frequency?

ken W7EKB