DTMF telephone chip datahseet - Electronic Circuits Projects Diagrams Free

waqar · 29th May 2003, 08:46 PM

hi all,
iam working on the design for a telephone set and for that i need to get the data sheet of the following DTMF chip but i have searched yahoo and other engine unable to get any results..can any one please guide me the link to this Chip's datasheet...
i get the following results from yahoo.

the Chip is

LR4087

i think its of Sharp company
http://search.yahoo.com/search?p=LR4...=20&fl=0&x=wrt

Sebi · 30th May 2003, 05:23 AM

I've tryed to post the d'sheet to @post.com without success. Give me another e-mail.

waqar · 1st June 2003, 08:37 PM

waqarzaka@post.com

Sebi · 2nd June 2003, 04:16 AM

'550 Cannot route to <waqarzaka@post.com>'

Not working for me.

waqar · 2nd June 2003, 09:48 PM

like i don't get it....how come you cannot sent me the datasheet ot is there any other problem.

Sebi · 3rd June 2003, 09:43 AM

Here is some crop from original d'sheet maybe enough...

Sebi · 3rd June 2003, 11:05 AM

The complete datasheet contains seven pages. Please download from here these two pages, make a post when completed, i change the pages to 2 newer. After succesfull downloading i remove this big picture.

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

29th May 2003, 08:46 PM	(permalink)
waqar	DTMF telephone chip datahseet hi all, iam working on the design for a telephone set and for that i need to get the data sheet of the following DTMF chip but i have searched yahoo and other engine unable to get any results..can any one please guide me the link to this Chip's datasheet... i get the following results from yahoo. the Chip is LR4087 i think its of Sharp company http://search.yahoo.com/search?p=LR4...=20&fl=0&x=wrt

30th May 2003, 05:23 AM	(permalink)
Sebi	I've tryed to post the d'sheet to @post.com without success. Give me another e-mail.

1st June 2003, 08:37 PM	(permalink)
waqar	my mail adrdess waqarzaka@post.com

2nd June 2003, 04:16 AM	(permalink)
Sebi	'550 Cannot route to <waqarzaka@post.com>' Not working for me.

2nd June 2003, 09:48 PM	(permalink)
waqar	i really need to have this data sheet like i don't get it....how come you cannot sent me the datasheet ot is there any other problem.

3rd June 2003, 11:05 AM	(permalink)
Sebi	The complete datasheet contains seven pages. Please download from here these two pages, make a post when completed, i change the pages to 2 newer. After succesfull downloading i remove this big picture.