AVR-Chat

This sounds like an IL300... ;-)
Used to be made by Siemens but I think they sold it to Vishay...

Les.

On 12 Aug 2004 at 14:51, Dave VanHorn wrote:

> 
> >
> >> In the end, this SSR is a kick-ass optocoupler.
> >
> >At $5.00 each it better be !
> 
> They do tend to be pricey.
> 
> I did a fun circuit once, with a dual-optoisolator, and an opamp, to
> implement a modem hybrid without any transformer, and full isolation
> to the phone line. 
> 
> Within limits, it works pretty well.  The audio goes through the
> opamp, driving current into both LEDs, with the opamp's feedback taken
> from one output transistor. The other transistor is sitting in the
> phone line circuit.  If Q1 is passing 5mA, then Q2
>  is usually pretty darned close, in a dual opto, since they are made
>  at the same time.  You have to be careful that they are a dual chip,
>  and not two single dies in a dual package though, as the matching
>  then is back to the 10/1 sort of range.
> 
> 
> 
> 
> ------------------------ Yahoo! Groups Sponsor
> --------------------~--> Make a clean sweep of pop-up ads. Yahoo!
> Companion Toolbar. Now with Pop-Up Blocker. Get it for free!
> http://us.click.yahoo.com/L5YrjA/eSIIAA/yQLSAA/dN_tlB/TM
> --------------------------------------------------------------------~-
> > 
> 
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> 


-------------------------------------------------------------
Les Grant. VK2KYJ.      Phone: 02 9896 7150 Fax: 02 9896 7153
Grantronics Pty Ltd     Int'l: +612 9896 7150, +612 9896 7153
ABN 46 070 123 643
PO Box 275, Wentworthville. NSW. 2145. Australia.            
http://www.grantronics.com.au  mailto:info@grantronics.com.au
Microcontroller Hardware and Software development:  Atmel AVR
8051 derivatives, 80C196 family, C, ASM, Digital and analogue 
-------------------------------------------------------------
Australian distributor for:
o Dunfield Development Systems low cost development tools
o ImageCraft AVR and Motorola Windows-hosted C compilers
o ELNEC Device Programmers (E)EPROMs, Flash, Micros, PLDs
o CAN-BUS Hardware and Software from LAWICEL
o Logical Systems Programming, Prototyping & Production Adaptors
-------------------------------------------------------------