Hi Chris --

The input and output are straight SMAs mounted on the back of the PCB. The idea is that you can mount it in the cover of a small die-cast box secured by the SMA hardware (I used a Hammond BB1590N1). All you have to do is drill a couple of 3/16 holes, plus another hole for a power feedthrough.

This is a buffer amp, not a distribution amp, so it's a single channel circuit, and high isolation was one of the key design criteria.


On 10/12/2016 09:08 AM, Chris Caudle wrote:
On Wed, October 5, 2016 9:15 am, John Ackermann N8UR wrote:
I've previously mentioned a high performance buffer amplifier called the
"TNS-BUF" that I built based on a design by Dr. Bruce Griffiths with
further input from John Miles.

None of the pictures have shown the connector side of the assembled PCB.
Does the layout accommodate mounting in an enclosure?

And is this layout just a single channel of the buffer design?  In other
words only for buffering an oscillator to a single other device for
preventing crosstalk or injection locking, not for distribution.

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