Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics 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.

mt8870 interface to sim300

Status
Not open for further replies.

kamranraj

Newbie level 1
Joined
Mar 3, 2009
Messages
1
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,286
hi salam to all

landrover_schematic_atmega16.jpg

i make this circuit,attach "nokia c200" is working normally. then i attach sim300cz this circuit not working.
sim300cz also working gavin DTMF output.
 

yogece

Member level 3
Joined
May 25, 2010
Messages
65
Helped
6
Reputation
12
Reaction score
6
Trophy points
1,288
Location
Coimbatore, Tamil Nadu, India
Activity points
1,736
reduce the R1&R2 values in the schematic and then try it

- - - Updated - - -

reduce the R1&R2 values in the schematic and then try it
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top