Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronic Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

Looking for chips that make dtmf tones and decodes them

Status
Not open for further replies.

tazmana

Junior Member level 1
Joined
Jul 17, 2002
Messages
15
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
39
73m2901 dtmf

I want to make a modem(not so fast) and i am looking for chips that make dtmf tones and also decodes them not like 567, i need a digital one
 

ta2ctp

Member level 5
Joined
Apr 18, 2005
Messages
84
Helped
2
Reputation
4
Reaction score
1
Trophy points
1,288
Activity points
1,749
Re: need a modem chip

You must look : TCM 3105 or AM 7910-AM 7911 (1200-9600 Bps FSK).
 

Noman Yousaf

Full Member level 4
Joined
Nov 19, 2003
Messages
210
Helped
3
Reputation
6
Reaction score
2
Trophy points
1,298
Location
Lahore Pakistan
Activity points
1,774
need a modem chip

if u want to make the modam on hobbying level just use cheap one MT8880 that is actually a DTMF tranciever
 

gidimiz

Advanced Member level 1
Joined
Feb 3, 2005
Messages
427
Helped
123
Reputation
246
Reaction score
40
Trophy points
1,308
Activity points
5,166
need a modem chip

Hi,

Try TDK chip modem. 1 IC solution:
part number 73M2901.

If you found my answer useful, click on the button that says Helped me. ( NO points will be taken from you! )


Good luck.
 

Status
Not open for further replies.
Toggle Sidebar

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top