[ARC5] ARC-5/SCR-274-N receiver bandwidth spec

D. Platt jeepp at comcast.net
Mon Mar 31 15:50:13 EDT 2014


Gentlemen,

Yet another input to the story.  I just completed some tests to measure 
the actual bandwidth of a modified IF strip.  What I'm getting is a 
6-to-60 result of <8 kHz at 6dB down, and t <28 kHz at 60 dB down.  This 
comports with the data Ken sent showing an expected bandwidth of 14.6 
kHz (twice 1/2 bandwidth shown in manual chart)) and 52 kHz (again, 
twice the noted bandwidth) for a "new" receiver.  Even with that, it 
looks like a winner.   I'm writing all this and how to do it up for ER, 
at this time.  If any of you all have comment, please let me know.  I 
believe I'm interpreting Table 8, page 56 of manual AN 16-30ARC5-2 
correctly.  Its just that they specify a half bandwidth factor, inasmuch 
as their measurement procedure yields such.

Jeep - K3HVG


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