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fangbafashengqi
- 本设计是关于方波发生器和音调识别器的设计，以NE567音调解码器为基础器件，配上其它适当的零部件，在试验箱上进行电路的设计连接。本文详细介绍了LM567的内部结构、工作原理、性能指标和选择参数以及用其所设计的频率调制器（方波发生器）和音频信号识别器（音调控制开关）。-The design is on the square-wave generator and a tone recognizer designed to NE567 tone decoder-based devices, with
Q2.Decoderfinal
- telephone tone decoder
2-LINE-Intercom
- This project is used as an electronic private exchange. It has two telephones, which have the intercom facility, and they can be connected to the telephone line. All the functions are controlled by the 8-bit microcontroller AT89C2051 which has an Pro
MT8870
- MT8870 DTMF tone decoder code and implementation
cysintercom
- This project is used as an electronic private exchange. It has two telephones, which have the intercom facility, and they can be connected to the telephone line. All the functions are controlled by the 8-bit microcontroller AT89C2051 which has an Pro
HT95R6x-CPT-(Call-Progress-Tone)-Decoder-Function
- CPT Detection of ht95r6-CPT Detection of ht95r6xx
DTMF-detect
- 基于DSP的DTMF（双音多频）设计与实现解码代码-Design and Implementation of DSP-based DTMF (Dual Tone Multi Frequency) decoder code
phone-operated-robot
- In the project the robot is controlled by a mobile phone that makes a call to the mobile phone attached to the robot. In the course of a call, if any button is pressed a tone corresponding to the button pressed is heard at the other end called 慏ual T
MMT88800T
- MT8880产生发送和接收译码各使用了一片集成电路，而DTMF双向收／发集成电路MT8880专门为双音频信号的收、发而设计，，它既能产生发送双音频信号，又能对双音频信号进行接收译码，还能判断各种信号音(拨号音、回铃音、忙音)。-good 已通过测试。 -MT8880 generate send and receive decoding the use of an integrated circuit, DTMF bi-directional transmit/receive IC MT888
HM9270
- HM9270双音多频接收解码器详细资料,适用于电话语音解码应用.-HM9270 dual-tone multi-frequency receiver decoder details, applies to telephone speech decoding applications.
home-automation-sysytem
- Introduction Dial your number using DTMF phone or Cell phone from anywhere in the world and remotely turn on/off any of the 8 relays. The MCU on the interface senses Telephone ring, Automatic telephone pick up, and line hang up, displays informati
yuanma
- MT8870双音解码电话远程控制系统的源码-This graduation design is in order to achieve the STC89C52 single-chip microcomputer as the core of telephone remote control electric equipment, the system main chip is STC89C52 singlechip, dual tone decoder chip MT8870
dtmf-decoder-410b1088e36d
- DTMF DECORDER FOR TONE GENERATOR.
The-principle-of-phase-locked-loop
- 主要介绍了锁相环的基本原理，PLL参数测试示例展示，重点分析了CD4046——通用的CMOS锁相环集成电路，MT8870——音调译码器(Tone Decoder)是MITEL 公司所开发生产为一颗常用复频译码IC。-Introduces the basic principles of phase-locked loop, PLL parameter test sample shows, analyzes the CD4046-- generic CMOS PLL IC, MT8870-- ton
dtmf-encoder-decoder-matlab-gui-labview
- The present project aims to develop a DTMF (Dual Tone Multi Frequency) Encoder-Decoder using loopback technical and graphical interface to be developed by Labview program. The signal processing and the application code will be using TMS320C6713i card