CN205792844U - A kind of SA809DTMF coding/decoding module - Google Patents
A kind of SA809DTMF coding/decoding module Download PDFInfo
- Publication number
- CN205792844U CN205792844U CN201620498587.8U CN201620498587U CN205792844U CN 205792844 U CN205792844 U CN 205792844U CN 201620498587 U CN201620498587 U CN 201620498587U CN 205792844 U CN205792844 U CN 205792844U
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- China
- Prior art keywords
- receiving terminal
- module
- transmitting terminal
- coding
- sa809dtmf
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
nullThis utility model relates to field of wireless communication，Particularly relate to a kind of SA809DTMF coding/decoding module，Including an a transmitting terminal module SA809 TX and receiving terminal module SA809 RX，Described transmitting terminal module SA809 TX includes transmitter body，Described transmitter body includes transmitting terminal micro-control unit、Transmitting terminal RF IC、Transmitting terminal DTMF coding and decoding、Frequency display screen、Button、SMA antennal interface、Transmitting terminal manostat、Charging inlet and on and off switch，Described receiving terminal module SA809 RX includes receiver body，Described receiver body includes receiving terminal micro-control unit、Receiving terminal RF IC、Metal-oxide-semiconductor、Receiving terminal manostat、Antennal interface、Receiving terminal DTMF coding and decoding、USB configuration interface and switching signal output pin.The structure of this utility model uniqueness arranges and makes it have the highest safety, and the scheme of arrowband intercommunication is also ensured its communication distance farther out, and energy consumption is low, cost performance is high, can be applicable to multiple field such as wireless entrance guard, Mechanical course, convenient use simultaneously.
Description
Technical field
This utility model relates to field of wireless communication, particularly relates to a kind of SA809DTMF coding/decoding module.
Background technology
DTMF (DualToneMultiFrequency), dual-tone multifrequency, is the signaling developed by AT&T Labs
Mode, transmits dialing information by analog of telephone line.Its purpose is to be automatically performed the long-distance of phone
Calling.DTMF is made up of high frequency group and low frequency group, and just frequency group respectively comprises 4 frequencies.One high-frequency signal
With low frequency signal superposition one composite signal of composition, represent a numeral.So dtmf signal has 4*4
Plant combination, i.e. 16 codings.Utilize the dtmf signaling corresponding transmitter receiver of optional calling.
DTMF coding/decoding module of the present utility model is that the communication mode utilizing DTMF carries out remote wireless control,
There is the advantage that safety is high, communication distance is remote, cost performance is high.
Utility model content
The purpose of this utility model is to provide a kind of SA809DTMF coding/decoding module.
This utility model solves the technical scheme of technical problem: a kind of SA809DTMF coding/decoding module, bag
Include transmitting terminal module SA809-TX and receiving terminal module SA809-RX, described transmitting terminal module
SA809-TX includes that transmitter body, described transmitter body include transmitting terminal micro-control unit, launch end-fire
Frequently integrated circuit, transmitting terminal DTMF coding and decoding, frequency display screen, button, SMA antennal interface, transmitting terminal
Manostat, charging inlet and on and off switch, described receiving terminal module SA809-RX includes receiver body, institute
State receiver body and include receiving terminal micro-control unit, receiving terminal RF IC, metal-oxide-semiconductor, receiving terminal
Manostat, antennal interface, receiving terminal DTMF coding and decoding, USB configuration interface and switching signal output pin.
Preferably, described transmitting terminal module can also be the transmitter receiver of arbitrary money band DTMF function.
Preferably, described receiving terminal module SA809-RX is connected with subscriber equipment by wireless signal.
Preferably, described receiver body is connected by data wire PC.
Preferably, described transmitter body and receiver this most internal be equipped with TCXO crystal oscillator.
In employing, technical scheme provides the benefit that: a kind of SA809DTMF encoding and decoding mould in this utility model
Block, the structure of its uniqueness arranges and makes it have the highest safety, and the scheme of arrowband intercommunication is also ensured
Its communication distance farther out, and energy consumption is low, cost performance is high, can be applicable to wireless entrance guard, Mechanical course simultaneously
Etc. multiple fields, convenient use.Transmitting terminal module can also be the intercommunication of arbitrary money band DTMF function
Machine, can mate with the most multiple transmitter receiver, and convenient use, receiving terminal module SA809-RX passes through wireless communication
Number being connected with subscriber equipment, subscriber equipment can be wireless entrance guard, safety-protection system, remote-control car etc., thus
Realizing the controlled in wireless to subscriber equipment, receiver body is connected by data wire PC, can pass through PC
Machine arranges frequency and password, and to guarantee the security and the reliability that system controls, transmitter body and receiver are originally
The internal TCXO crystal oscillator that is equipped with, the TCXO crystal oscillator of inside modules employing 1.5PPM, the arrowband of 12.5KHz,
Can ensure that varying with temperature frequency still keeps stable.
Accompanying drawing explanation
Fig. 1 is the structure of this utility model a kind of SA809DTMF coding/decoding module transmitting terminal module SA809-TX
Block diagram.
Fig. 2 is the structure of this utility model a kind of SA809DTMF coding/decoding module receiving terminal module SA809-RX
Block diagram.
Fig. 3 is the structural representation of this utility model a kind of SA809DTMF coding/decoding module.
Wherein: 1 transmitting terminal module SA809-TX, 2 receiving terminal modules SA809-RX, 3 transmitters are originally
Body, 4 receiver bodies, 5 transmitting terminal micro-control units, 6 transmitting terminal RF ICs, 7
Penetrate end DTMF coding and decoding, 8 frequency display screens, 9 buttons, 10 SMA antennal interfaces, 11 transmitting terminals
Manostat, 12 charging inlets, 13 on and off switch, 14 receiving terminal micro-control units, 15 receiving terminals
RF IC, 16 metal-oxide-semiconductors, 17 receiving terminal manostat, 18 antennal interfaces, 19 receiving terminals
DTMF coding and decoding, 20 USB configure interface, 21 switching signal output pins, 22 transmitter receivers, 23 PC
Machine, 24 subscriber equipmenies, 25 TCXO crystal oscillators.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and effect and be readily apparent from
Solve, below in conjunction with detailed description of the invention, this utility model is expanded on further.
As shown in Figure 1, Figure 2 and Figure 3, a kind of SA809DTMF coding/decoding module, including a transmitting terminal
Module SA809-TX1 and receiving terminal module SA809-RX2, described transmitting terminal module SA809-TX1 bag
Including transmitter body 3, described transmitter body 3 includes that transmitting terminal micro-control unit 5, transmitting terminal radio frequency are integrated
Circuit 6, transmitting terminal DTMF coding and decoding 7, frequency display screen 8, button 9, SMA antennal interface 10, transmitting
End manostat 11, charging inlet 12 and on and off switch 13, described receiving terminal module SA809-RX2 includes connecing
Receipts machine body 4, described receiver body 4 includes receiving terminal micro-control unit 14, the integrated electricity of receiving terminal radio frequency
Road 15, metal-oxide-semiconductor 16, receiving terminal manostat 17, antennal interface 18, receiving terminal DTMF coding and decoding 19, USB
Configuration interface 20 and switching signal output pin 21, during use, arrange the frequency of SA809-RX module by USB
Rate and password, such as frequency are for arranging 339.000, and password is 135, and the frequency of SA809-TX module is set
It is set to the same with receiver, such as 339.000, button 9 panel of SA809-TX module presses 135,
The output that just can control SA809-RX module controls output control signal, thus ensures communication security and feasible
Property.
In the present embodiment, described transmitting terminal module can also be the transmitter receiver of arbitrary money band DTMF function
22, can mate with the most multiple transmitter receiver, convenient use.
It should be noted that described receiving terminal module SA809-RX2 is by wireless signal and subscriber equipment 24
Being connected, subscriber equipment 24 can be wireless entrance guard, safety-protection system, remote-control car etc., thus realizes user
The controlled in wireless of equipment 24.
It addition, described receiver body 4 is connected by data wire PC 23, can be set by PC 23
Put frequency and password, to guarantee the security and the reliability that system controls.
Particularly, it is equipped with TCXO crystal oscillator 25, module in described transmitter body 3 and receiver body 4
The internal TCXO crystal oscillator 25 using 1.5PPM, the arrowband of 12.5KHz, it is ensured that vary with temperature frequency and depend on
So keep stable.
Above technical scheme is used to provide the benefit that: the structure of this utility model uniqueness arranges and it is had
The highest safety, the scheme of arrowband intercommunication is also ensured its communication distance farther out, and energy consumption is low, property
Valency ratio is high, can be applicable to multiple field such as wireless entrance guard, Mechanical course, convenient use simultaneously.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model,
Every equivalent structure utilizing this utility model description and accompanying drawing content to be done or equivalence flow process conversion, or directly
Connect or be indirectly used in other relevant technical fields, be the most in like manner included in patent protection model of the present utility model
In enclosing.
Claims (5)
1. a SA809DTMF coding/decoding module, it is characterised in that include transmitting terminal module SA809-TX
With receiving terminal module SA809-RX, described transmitting terminal module SA809-TX includes transmitter body, institute
State transmitter body and include that transmitting terminal micro-control unit, transmitting terminal RF IC, transmitting terminal DTMF compile
Code, frequency display screen, button, SMA antennal interface, transmitting terminal manostat, charging inlet and on and off switch,
Described receiving terminal module SA809-RX includes that receiver body, described receiver body include receiving terminal microcontroller
Unit, receiving terminal RF IC, metal-oxide-semiconductor, receiving terminal manostat, antennal interface, receiving terminal DTMF
Coding and decoding, USB configuration interface and switching signal output pin.
A kind of SA809DTMF coding/decoding module the most according to claim 1, it is characterised in that: described
Transmitting terminal module can also be the transmitter receiver of arbitrary money band DTMF function.
A kind of SA809DTMF coding/decoding module the most according to claim 1, it is characterised in that: described
Receiving terminal module SA809-RX is connected with subscriber equipment by wireless signal.
A kind of SA809DTMF coding/decoding module the most according to claim 1, it is characterised in that: described
Receiver body is connected by data wire PC.
A kind of SA809DTMF coding/decoding module the most according to claim 1, it is characterised in that: described
Transmitter body and receiver this most internal be equipped with TCXO crystal oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620498587.8U CN205792844U (en) | 2016-05-26 | 2016-05-26 | A kind of SA809DTMF coding/decoding module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620498587.8U CN205792844U (en) | 2016-05-26 | 2016-05-26 | A kind of SA809DTMF coding/decoding module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205792844U true CN205792844U (en) | 2016-12-07 |
Family
ID=57408367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620498587.8U Expired - Fee Related CN205792844U (en) | 2016-05-26 | 2016-05-26 | A kind of SA809DTMF coding/decoding module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205792844U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800785A (en) * | 2017-10-19 | 2018-03-13 | 惠州高盛达科技有限公司 | It is a kind of with adaptation function, the arrowband Internet of Things module having a wide range of application |
| CN109951201A (en) * | 2019-04-27 | 2019-06-28 | 泉州欧讯电子有限公司 | A kind of intercom with dtmf code and decoding function |
-
2016
- 2016-05-26 CN CN201620498587.8U patent/CN205792844U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800785A (en) * | 2017-10-19 | 2018-03-13 | 惠州高盛达科技有限公司 | It is a kind of with adaptation function, the arrowband Internet of Things module having a wide range of application |
| CN107800785B (en) * | 2017-10-19 | 2023-11-14 | 惠州高盛达科技有限公司 | Narrowband internet of things module with self-adaptation function |
| CN109951201A (en) * | 2019-04-27 | 2019-06-28 | 泉州欧讯电子有限公司 | A kind of intercom with dtmf code and decoding function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170526 |