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DTMF Module
- Rajkumar Sharma
- 22.396 Views
- medium
- Tested
- SKU: EL44332
- Quote Now
- 2 Likes
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
Parts List
Gerber View
Photos
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PCB
useful
I will Try to use this project with my Ham Radio walki talkie.
tnx VU2EXP
Where can this be purchased?
We don’t sell kits or ready products. Alternatively, you may find some kits of our projects here: http://www.koteq.com
Where do we get the gerbers?
Gerbers uploaded above. Thanks