I believe the interference that can form on those 2 wires (and not be
filtered by components to ground from each of the two wires) is called
"common mode" and is definately a factor needing appropriate filtering. A
capacitor and transient suppressor is also desireable directly across the 2
wires.
At 07:30 PM 7/20/98 -0400, Carter Grabarczyk wrote:
>
>Steve Ellington wrote:
>>
>
>> And if you think about it, the cap between black and white is redundant
>> since the other two caps effectively bridge across them anyway.
>
>Not true...look at how all AC surge surpressors (or at least the better
>ones) are wired (and yes, I realize these are over-voltage devices, not
>capacitors). It's the old longitudinal vs transverse noise trick..
>
>73/Carter/K8VT
>
73
__________________________________________________________
Ed Tanton N4XY EMAIL: n4xy@att.net
189 Pioneer Trail
Marietta, GA 30068-3466 TEL: (770)579-3933 V/MBX/FAX
__________________________________________________________
INTERESTS: QRP BoatAnchors Test Equipment Photography
CW: 99.9% Mercury Paddle # 0214 QRP to 150W: 95%
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"Think you can, think you can't: either way you're right!" Henry Ford
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