CN104753608A - Noise silencer used for wireless electronic communication device - Google Patents

Noise silencer used for wireless electronic communication device Download PDF

Info

Publication number
CN104753608A
CN104753608A CN201510067420.6A CN201510067420A CN104753608A CN 104753608 A CN104753608 A CN 104753608A CN 201510067420 A CN201510067420 A CN 201510067420A CN 104753608 A CN104753608 A CN 104753608A
Authority
CN
China
Prior art keywords
resistance
electric capacity
diode
locked loop
loop circuit
Prior art date
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.)
Pending
Application number
CN201510067420.6A
Other languages
Chinese (zh)
Inventor
高飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute Of Mobile Communication Of Chongqing Mail And Telephones Unvi
Original Assignee
Institute Of Mobile Communication Of Chongqing Mail And Telephones Unvi
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Institute Of Mobile Communication Of Chongqing Mail And Telephones Unvi filed Critical Institute Of Mobile Communication Of Chongqing Mail And Telephones Unvi
Priority to CN201510067420.6A priority Critical patent/CN104753608A/en
Publication of CN104753608A publication Critical patent/CN104753608A/en
Pending legal-status Critical Current

Links

Landscapes

  • Telephone Function (AREA)

Abstract

The invention discloses a noise silencer used for a wireless electronic communication device. The noise silencer comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a phase-locked loop circuit tone decoder, a first diode, a second diode, a light-emitting diode, an either-or switch, a switch and a relay. The noise silencing of wireless communication is achieved mainly with the phase-locked loop circuit tone decoder as a core element, the capacitors and the resistors mainly play roles in current limiting and filtering, and therefore silencing is conducted on signals of the wireless electronic communication device. Compared with the prior art, on the basis of silencing of an existing wireless electronic communication device, secondary audio silencing is achieved, the problems of interference between same types of communication and poor silencing effects can be solved, the communication quality is effectively improved, and application and popularization value is achieved.

Description

A kind of noise silencer for wireless electronic communication apparatus
Technical field
The present invention relates to a kind of wireless electronic communication apparatus assembly, particularly relate to a kind of noise silencer for wireless electronic communication apparatus.
Background technology
Radio communication mainly comprises microwave communication and satellite communication.Microwave is a kind of radio wave, and the distance that it transmits generally only has tens kms.But the frequency band of microwave is very wide, message capacity is very large.Microwave communication will build a microwave relay station every tens kms.Satellite communication utilizes communication satellite to set up microwave communication contact on the ground between two or more earth station or between moving body as relay station.But in prior art, the signal of wireless electronic communication is often interfered, or be subject to the impact of signal strength signal intensity, cause the Quality Down communicated, the noise in communication is excessive, affects proper communication, therefore, there is room for improvement.
Summary of the invention
Object of the present invention is just to provide a kind of noise silencer for wireless electronic communication apparatus to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes the first resistance to the 7th resistance, first electric capacity is to the 5th electric capacity, phase-locked loop circuit ATD, first diode, second diode, light-emitting diode, either-or switch, switch and relay, the first end of described either-or switch simultaneously with the first output, 7th pin of described phase-locked loop circuit ATD, the first end of described 6th electric capacity, the first end of described 3rd electric capacity, the first end of described second electric capacity is connected with the first end of described 7th electric capacity, second end of described either-or switch is connected with the first end of described 5th electric capacity and the first end of described 4th electric capacity simultaneously, 3rd end of described either-or switch simultaneously with the 8th pin of described phase-locked loop circuit ATD, the negative pole of described first diode, the first end of described 7th resistance, the positive pole of described second diode is connected with the first end of described relay, second end of described 5th electric capacity is connected with the first end of described 5th resistance, second end of described 5th resistance is the second output, second end of described 4th electric capacity is connected with the first end of described 4th resistance, second end of described 4th resistance is connected with the first end of described 6th resistance and the 5th pin of described phase-locked loop circuit ATD simultaneously, second end of described 6th resistance is connected with the second end of described 6th electric capacity and the 6th pin of described phase-locked loop circuit ATD simultaneously, the two ends of the control switch of described relay are the 3rd output and the 4th output, described 3rd output is connected with the loud speaker positive pole of described wireless electronic communication apparatus, described 4th output is connected with the first end of described first resistance, second end of described first resistance is connected with the 3rd pin of described phase-locked loop circuit ATD by described first electric capacity, second end of described 7th electric capacity simultaneously with the 4th pin of described phase-locked loop circuit ATD, the first end of described switch, the first end of described second resistance, the positive pole of described light-emitting diode, the negative pole of described second diode, second end of described relay is connected with the 5th output, second end of described second electric capacity simultaneously with the first pin of described phase-locked loop circuit ATD, second end of described switch, the first end of described 3rd resistance is connected with the second end of described second resistance, second end of described 3rd resistance is connected with the positive pole of described first diode.
Beneficial effect of the present invention is:
The present invention is a kind of noise silencer for wireless electronic communication apparatus, compared with prior art, the present invention is on the noise elimination basis of original wireless electronic communication apparatus, realize secondary tone squelch, can overcome that homogeneous communications interferes with each other, the problem of noise elimination poor effect, effective raising communication quality, has the value applied.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1: the present invention includes the first resistance R1 to the 7th resistance R7, first electric capacity C1 is to the 5th electric capacity C5, phase-locked loop circuit ATD IC, first diode VD1, second diode VD2, light-emitting diode VD, either-or switch S, switch S B and relay K, the first end of either-or switch S simultaneously with the first output P1, 7th pin of phase-locked loop circuit ATD IC, the first end of the 6th electric capacity C6, the first end of the 3rd electric capacity C3, the first end of the second electric capacity C2 is connected with the first end of the 7th electric capacity C7, second end of either-or switch S is connected with the first end of the 5th electric capacity C5 and the first end of the 4th electric capacity C4 simultaneously, 3rd end of either-or switch S simultaneously with the 8th pin of phase-locked loop circuit ATD IC, the negative pole of the first diode VD1, the first end of the 7th resistance R7, the positive pole of the second diode VD2 is connected with the first end of relay K, second end of the 5th electric capacity C5 is connected with the first end of the 5th resistance R5, second end of the 5th resistance R5 is the second output P2, second end of the 4th electric capacity C4 is connected with the first end of the 4th resistance R4, second end of the 4th resistance R4 is connected with the first end of the 6th resistance R6 and the 5th pin of phase-locked loop circuit ATD IC simultaneously, second end of the 6th resistance R6 is connected with second end of the 6th electric capacity C6 and the 6th pin of phase-locked loop circuit ATD IC simultaneously, the two ends of the control switch K1 of relay K are the 3rd output P3 and the 4th output P4, 3rd output P3 is connected with the loud speaker BL positive pole of wireless electronic communication apparatus, 4th output P4 is connected with the first end of the first resistance R1, second end of the first resistance R1 is connected with the 3rd pin of phase-locked loop circuit ATD IC by the first electric capacity C1, second end of the 7th electric capacity C7 simultaneously with the 4th pin of phase-locked loop circuit ATD IC, the first end of switch S B, the first end of the second resistance R2, the positive pole of light-emitting diode VD, the negative pole of the second diode VD2, second end of relay K is connected with the 5th output P5, second end of the second electric capacity C2 simultaneously with first pin of phase-locked loop circuit ATD IC, second end of switch S B, the first end of the 3rd resistance R3 is connected with second end of the second resistance R2, second end of the 3rd resistance R3 is connected with the positive pole of the first diode VD1.
When the present invention uses, by the control switch K1 of relay, the loud speaker BL of wireless electronic communication apparatus and wireless electronic communication apparatus are disconnected, take back in wireless electronic communication apparatus by the control switch K1 of relay again, namely the 3rd output P3 and the 4th output P4 takes back the breakpoint of wireless electronic communication apparatus, second output P2 gets involved the microphone signal end BM of wireless electronic communication apparatus, first output P1 accesses the negative pole of wireless electronic communication apparatus, and the 5th output P5 accesses the positive pole of wireless electronic communication apparatus.
Component parameter of the present invention is selected as follows:
First resistance R1 is 100 Ω, second resistance R2 is 400 Ω, 3rd resistance R3 is 500 Ω, 4th resistance R4 is 2k Ω, 5th resistance R5 is 27k Ω, 6th resistance R6 and the 7th resistance R7 is 200 Ω, first electric capacity C1 is 300uf, second electric capacity C2 is 470uf, 3rd electric capacity C3 is 100uf, 4th electric capacity C4 is 1000uf, 5th electric capacity C5 is 10uf, the model of phase-locked loop circuit ATD IC is LM567, the model of the first diode VD1 and the second diode VD2 is IN4148, light-emitting diode VD is 0.5W.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.

Claims (1)

1. the noise silencer for wireless electronic communication apparatus, it is characterized in that: comprise the first resistance to the 7th resistance, first electric capacity is to the 5th electric capacity, phase-locked loop circuit ATD, first diode, second diode, light-emitting diode, either-or switch, switch and relay, the first end of described either-or switch simultaneously with the first output, 7th pin of described phase-locked loop circuit ATD, the first end of described 6th electric capacity, the first end of described 3rd electric capacity, the first end of described second electric capacity is connected with the first end of described 7th electric capacity, second end of described either-or switch is connected with the first end of described 5th electric capacity and the first end of described 4th electric capacity simultaneously, 3rd end of described either-or switch simultaneously with the 8th pin of described phase-locked loop circuit ATD, the negative pole of described first diode, the first end of described 7th resistance, the positive pole of described second diode is connected with the first end of described relay, second end of described 5th electric capacity is connected with the first end of described 5th resistance, second end of described 5th resistance is the second output, second end of described 4th electric capacity is connected with the first end of described 4th resistance, second end of described 4th resistance is connected with the first end of described 6th resistance and the 5th pin of described phase-locked loop circuit ATD simultaneously, second end of described 6th resistance is connected with the second end of described 6th electric capacity and the 6th pin of described phase-locked loop circuit ATD simultaneously, the two ends of the control switch of described relay are the 3rd output and the 4th output, described 3rd output is connected with the loud speaker positive pole of described wireless electronic communication apparatus, described 4th output is connected with the first end of described first resistance, second end of described first resistance is connected with the 3rd pin of described phase-locked loop circuit ATD by described first electric capacity, second end of described 7th electric capacity simultaneously with the 4th pin of described phase-locked loop circuit ATD, the first end of described switch, the first end of described second resistance, the positive pole of described light-emitting diode, the negative pole of described second diode, second end of described relay is connected with the 5th output, second end of described second electric capacity simultaneously with the first pin of described phase-locked loop circuit ATD, second end of described switch, the first end of described 3rd resistance is connected with the second end of described second resistance, second end of described 3rd resistance is connected with the positive pole of described first diode.
CN201510067420.6A 2015-02-07 2015-02-07 Noise silencer used for wireless electronic communication device Pending CN104753608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510067420.6A CN104753608A (en) 2015-02-07 2015-02-07 Noise silencer used for wireless electronic communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510067420.6A CN104753608A (en) 2015-02-07 2015-02-07 Noise silencer used for wireless electronic communication device

Publications (1)

Publication Number Publication Date
CN104753608A true CN104753608A (en) 2015-07-01

Family

ID=53592784

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510067420.6A Pending CN104753608A (en) 2015-02-07 2015-02-07 Noise silencer used for wireless electronic communication device

Country Status (1)

Country Link
CN (1) CN104753608A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1045903A (en) * 1989-03-23 1990-10-03 汤姆森消费电子有限公司 Noise limited receiver during the power interruptions
CN2167485Y (en) * 1993-08-05 1994-06-01 全泽松 Infrared monolithic wireless ear phone

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1045903A (en) * 1989-03-23 1990-10-03 汤姆森消费电子有限公司 Noise limited receiver during the power interruptions
CN2167485Y (en) * 1993-08-05 1994-06-01 全泽松 Infrared monolithic wireless ear phone

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李朝友: "二次音频静噪装置", 《现代通信》 *

Similar Documents

Publication Publication Date Title
CN202889621U (en) Interface system for vehicle-mounted electret microphone
CN106301399B (en) Mobile terminal, antenna assembly and radio-frequency front-end ballistic device
CN104753608A (en) Noise silencer used for wireless electronic communication device
CN104270698A (en) Multifunctional power amplification audio device and method thereof
CN204069296U (en) A kind of handset circuitry
CN204206115U (en) A kind of amplifying circuit for wireless short wave transmitting antenna
CN204231657U (en) Magnetic structure and loud speaker
CN203504550U (en) Receiver circuit for remote router
CN204948330U (en) Speaker circuit and mobile terminal
CN204206394U (en) A kind of wireless microphone of reliable operation
CN202998226U (en) Anti-interference circuit for hands-free communication of mobile phone earphone
CN203015094U (en) Audio frequency amplification circuit
CN204330885U (en) Electric automobile car-mounted terminal
CN203233413U (en) A simple frequency modulation communication instrument
CN104202708A (en) Power amplifier audio device with microphone and method thereof
CN203504737U (en) Wireless microphone circuit with low energy consumption
CN208849836U (en) A kind of device reducing Mobile phone hand-free noise
CN203574819U (en) Earphone circuit and earphone
CN203504738U (en) Wireless microphone with low cost
CN205510000U (en) Radio communication wave filter
CN103607228A (en) Audio system based on Bluetooth transmission technology
CN206226697U (en) Aviation double-talk system and aviation aircraft
CN202004726U (en) Audio frequency power amplifier for urban railway system
CN203522990U (en) Highly-sensitive wireless microphone with far data transmission distance
CN206313739U (en) A kind of D-type audio power amplifier for portable audio product

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150701