Re: 555 50% duty cycle

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>

Hi Matt,

With the origninal 555 non-CMOS timer see page 10 of:

http://hot-streamer-dot-com/temp/LM555.pdf

Cheers,

	Terry



At 07:59 PM 12/21/2001 -0500, you wrote:
>In a message dated 12/21/01 7:17:09 PM Eastern Standard Time, 
>tesla-at-pupman-dot-com writes:
>
><< Check out page 7 of:
> 
> http://hot-streamer-dot-com/temp/LMC555.pdf
> 
> Note that this only works with the CMOS version of the 555 but that is the
> one you want to use anyway.
> 
> You may also want to checkout my Tesla coil tuner at:
> 
> http://hot-streamer-dot-com/TeslaCoils/Misc/TCT/TCT.htm
> 
> Cheers,
> 
>    Terry
>  >>
>I dont have the CMOS type but the type i have works right.I just dont know 
>how to determine the values to use to get the frequency range i need.I know 
>how to with the original 2 resistors and 1 timing cap.There are calcs for 
>that but i cant find any 50% duty cylcle type.
>
>Matt
>