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From: Arfa Daily on 15 Jul 2010 19:22


"tg" <nospam(a)nospameverever.net> wrote in message
news:4c3f61e5$0$12168$fa0fcedb(a)news.zen.co.uk...
>
>
> "Arfa Daily" <arfa.daily(a)ntlworld.com> wrote in message
> news:79t%n.190989$vB5.75730(a)hurricane...
>
>> I'm glad what I said helped you to get a result that you were pleased
>> with, but I'm a little confused. Are you sure that the resistor values
>> that you've stated are correct, and the bottom one wasn't 4.7k rather
>> than
>> 47k ? <snip>
>
> nope, just checked and the bottom resistor is 47K.
> in your previous post you did say 'a ratio of 2 : 1 might be more
> appropriate,' and you were right, this - as it turned out - is a 2:1
> ratio.

Not quite. As stated that your series resistor is the lower value of 22k,
and the shunt one is the higher value of 47k, this is a 1 : 2 ratio ...

Still, if it does the job that you were looking for, not worth getting
bogged down in maths and definitions :-)

Arfa

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