Hi Harold All of these features are incorporated in ISD products. Look at http://www.isd.com. They have products for your requirement. I design a system for tones transmission using ISD1420 (20 sec.). If you need datasheets ask me at my personal e-mail. Good Luck! Carlos Fiestas cfiestas@inictel.gob.pe -----Mensaje original----- De: Harold Hallikainen Para: PICLIST@MITVMA.MIT.EDU Fecha: Viernes, 07 de Mayo de 1999 09:18 a.m. Asunto: D/A converter choices > Anyone have a favorite D/A? As discussed previously, I am working on a >project with fixed pre-recorded voice. My approach is to have a PIC >drive the address lines of an EPROM which then drives a D/A, LPF and >power amplifier. Right now I'm looking at a low cost Analog Devices >parallel in, voltage out, 8 bit D/A. I wonder about perhaps using one >with u Law encoding or perhaps a built-in LPF for voice applications. > Any ideas? > >Harold > >___________________________________________________________________ >You don't need to buy Internet access to use free Internet e-mail. >Get completely free e-mail from Juno at http://www.juno.com/getjuno.html >or call Juno at (800) 654-JUNO [654-5866]