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Old 22nd Oct 2018, 2:20 am   #13
Bazz4CQJ
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Join Date: Apr 2009
Location: Oxfordshire, UK.
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Default Re: 0.1-2000 MHz Wide Band Amplifier ~4

Quote:
Originally Posted by G0HZU_JMR View Post
I noticed a few versions of this amplifier on ebay and the PCB layout was different on these with only a few via holes around the MMIC. So these look a bigger risk with respect to stability if you wanted to use this amplifier as a general purpose bench/test amplifier.
Out of my depth now; could you explain the significance on the number of holes around the MMIC? I think that if Tanuki's suggestion of adding a pad would be worthwhile, a 3dB loss wouldn't compromise my interests.

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