DTMF Module

  • Rajkumar Sharma
  • 22.267 Views
  • medium
  • Tested
  • SKU: EL44332
  • Quote Now

C039_1

 

DTMF Development Board offers a very convenient way to generate DTMF tones and demodulate it.  It uses the famous MT8880/MT8888 DTMF transreceiver IC.

  • Easy 10 pin Box Header connector for interfacing data/control pins
  • Crystal derived frequency source for accurate generation and demodulation of DTMF tones for your project
  • Onboard upto 350 mW audio amplifier block for DTMF tones with Volume Adjust Preset
  • 5V Supply sourced via interfacing Box Header
  • Header  type analog connection
  • Four mounting holes 3.2 mm each
  • PCB dimensions 56 mm x 49 mm

Schematic

SCHEMATIC

 

Parts List

BOM

Gerber View

Photos

C039

Please follow and like us:
Pin Share

PCB



Subscribe
Notify of
guest

6 Comments
Inline Feedbacks
View all comments
robert

useful

Rajesh Vagadia - VU2EXP

I will Try to use this project with my Ham Radio walki talkie.
tnx VU2EXP

KB4MDD

Where can this be purchased?

Miko

Where do we get the gerbers?

RELATED PROJECTS

TOP PCB Companies