CN204721585U - Receiver amplifier - Google Patents

Receiver amplifier Download PDF

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Publication number
CN204721585U
CN204721585U CN201520270675.8U CN201520270675U CN204721585U CN 204721585 U CN204721585 U CN 204721585U CN 201520270675 U CN201520270675 U CN 201520270675U CN 204721585 U CN204721585 U CN 204721585U
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CN
China
Prior art keywords
electric capacity
resistance
pin
slide resistor
chip
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.)
Expired - Fee Related
Application number
CN201520270675.8U
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Chinese (zh)
Inventor
王乃宇
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.)
Chaoyang Jushengtai Xinfeng Technology Co Ltd
Original Assignee
Chaoyang Jushengtai Xinfeng Technology Co Ltd
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
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Priority to CN201520270675.8U priority Critical patent/CN204721585U/en
Application granted granted Critical
Publication of CN204721585U publication Critical patent/CN204721585U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to audio amplifier manufacturing technology field, particularly relate to a kind of receiver amplifier, comprise TA7376 chip, resistance R1-R6, electric capacity C1-C10, slide resistor W1A, slide resistor W1B, slide resistor W2A, K switch and battery BT, 1st pin of described TA7376 chip is connected with described resistance R1 and resistance R3 one end respectively, the other end of described resistance R3 is connected with one end of electric capacity C1 and slide resistor W1A respectively, the other end of described electric capacity C1 and the other end of slide resistor W1A ground connection respectively.The utility model structure is simple, can be strengthened the low frequency characteristic of receiver, and adopt the way of stereo anti-phase synthesis, add that built-in simple and easy matrix ring is around acoustic-electric road, can obtain powerful bass and broadening range in wider scope by this circuit.

Description

Receiver amplifier
Technical field
The utility model relates to receiver manufacturing technology field, particularly relates to a kind of receiver amplifier.
Background technology
Receiver is also receiver, and English is Receiver.A kind of electro-acoustic element audio electrical signal being converted to voice signal under voiceless sound leaks the high/low suction ring of 3.2 type of ITU standard (or by) condition, be widely used in the communication terminal devices such as mobile phone, landline telephone and hearing aids, realize audio frequency (voice, music) and reset.Its operation principle (physical principle) is similar with traditional coil-moving speaker: the audio electrical signal feed-in voice coil loudspeaker voice coil of change, voice coil loudspeaker voice coil is placed in the magnetic gap of a magnetic circuit, the driving of the electromagnetic force (Lorentz force) of change that voice coil loudspeaker voice coil produces because of the electric current of change and up-down vibration, and drive vibrating membrane to drive front and back air, produce sound wave.In prior art, receiver insert earphone is listened to the music, and always feels that music taste is sufficient not, at the weak effect of low-frequency range.
Utility model content
The purpose of this utility model is the deficiency overcoming above-mentioned technology, and provides a kind of receiver amplifier, strengthens the low frequency characteristic of receiver.
The utility model for achieving the above object, by the following technical solutions:
A kind of receiver amplifier, it is characterized in that: comprise TA7376 chip, resistance R1-R6, electric capacity C1-C10, slide resistor W1A, slide resistor W1B, slide resistor W2A, K switch and battery BT, 1st pin of described TA7376 chip is connected with described resistance R1 and resistance R3 one end respectively, the other end of described resistance R3 is connected with one end of electric capacity C1 and slide resistor W1A respectively, the other end of described electric capacity C1 and the other end of slide resistor W1A ground connection respectively; 2nd pin of described TA7376 chip connects one end of electric capacity C3, other end one end of connecting resistance R5 and one end of slide resistor W2A respectively of described electric capacity C3, the other end ground connection of described resistance R5, one end of another termination capacitor C9 of described slide resistor W2A, the other end of described resistance C9 meets electric capacity C4 and resistance R6 respectively, the other end ground connection of described resistance R6, the 8th pin of another termination TA7376 chip of described electric capacity C4; 9th pin of described TA7376 chip connects one end of described resistance R2 and resistance R4 respectively, and the other end of described resistance R4 meets electric capacity C2 and slide resistor W1B respectively, the other end ground connection of described resistance R4 and slide resistor W1B; 4th pin of described TA7376 chip is connected by the positive pole of described K switch with described battery BT, the minus earth of described battery BT; 3rd pin of described TA7376 chip and the indirect described electric capacity C5 of the 5th pin, the indirect described electric capacity C6 of the 5th pin and the 6th pin; 3rd pin of described TA7376 chip connects electric capacity C7 positive pole, the negative pole plug of electric capacity C7; 5th pin ground connection of described TA7376 chip, the 6th pin connects the positive pole of electric capacity C8, the negative pole plug of electric capacity C8.
Preferably, the 4th pin of described TA7376 chip connects the positive pole of described electric capacity C10, the minus earth of described electric capacity C10.
The beneficial effects of the utility model are: the utility model structure is simple, the low frequency characteristic of receiver can be strengthened by this circuit, and adopt the way of stereo anti-phase synthesis, add that built-in simple and easy matrix ring is around acoustic-electric road, powerful bass can be obtained and broadening range in wider scope.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing and preferred embodiment.As shown in Figure 1, a kind of receiver amplifier, it is characterized in that: comprise TA7376 chip, resistance R1-R6, electric capacity C1-C10, slide resistor W1A, slide resistor W1B, slide resistor W2A, K switch and battery BT, 1st pin of described TA7376 chip is connected with described resistance R1 and resistance R3 one end respectively, the other end of described resistance R3 is connected with one end of electric capacity C1 and slide resistor W1A respectively, the other end of described electric capacity C1 and the other end of slide resistor W1A ground connection respectively; 2nd pin of described TA7376 chip connects one end of electric capacity C3, other end one end of connecting resistance R5 and one end of slide resistor W2A respectively of described electric capacity C3, the other end ground connection of described resistance R5, one end of another termination capacitor C9 of described slide resistor W2A, the other end of described resistance C9 meets electric capacity C4 and resistance R6 respectively, the other end ground connection of described resistance R6, the 8th pin of another termination TA7376 chip of described electric capacity C4; 9th pin of described TA7376 chip connects one end of described resistance R2 and resistance R4 respectively, and the other end of described resistance R4 meets electric capacity C2 and slide resistor W1B respectively, the other end ground connection of described resistance R4 and slide resistor W1B; 4th pin of described TA7376 chip is connected by the positive pole of described K switch with described battery BT, the minus earth of described battery BT; 3rd pin of described TA7376 chip and the indirect described electric capacity C5 of the 5th pin, the indirect described electric capacity C6 of the 5th pin and the 6th pin; 3rd pin of described TA7376 chip connects electric capacity C7 positive pole, the negative pole plug of electric capacity C7; 5th pin ground connection of described TA7376 chip, the 6th pin connects the positive pole of electric capacity C8, the negative pole plug of electric capacity C8.4th pin of described TA7376 chip connects the positive pole of described electric capacity C10, the minus earth of described electric capacity C10.Play from the resistance capacitance between input IC and strengthen the effect of low frequency characteristic because be added with potentiometer, the enhancing amount of low frequency part can 0--10 doubly between continuously adjustabe.After the direct-current coupling electric capacity of stereo anti-phase combiner circuit IC 2 pin and 8 pin, be made up of the potentiometer of 0.47UF and 50K.In this circuit arrangement, anti-phase rear synthesis respectively about the treble portion in the effect composition of stereosonic square, the effect strengthening effect is played.Use Toshiba TA7376P, built-in two passages of this IC, outward element is few, can work at lower voltages.When load impedance is lower, the low-frequency sound of moving effect of can resetting out.If power supply uses 5# battery instead, with four series connection, voltage is 6V, can the high loud speaker exported of Direct driver.If the electric capacity of three 200UF/10V is increased to about 1000UF, better effect can be obtained.
The utility model structure is simple, can be strengthened the low frequency characteristic of receiver, and adopt the way of stereo anti-phase synthesis, add that built-in simple and easy matrix ring is around acoustic-electric road, can obtain powerful bass and broadening range in wider scope by this circuit.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.

Claims (2)

1. a receiver amplifier, it is characterized in that: comprise TA7376 chip, resistance R1-R6, electric capacity C1-C10, slide resistor W1A, slide resistor W1B, slide resistor W2A, K switch and battery BT, 1st pin of described TA7376 chip is connected with described resistance R1 and resistance R3 one end respectively, the other end of described resistance R3 is connected with one end of electric capacity C1 and slide resistor W1A respectively, the other end of described electric capacity C1 and the other end of slide resistor W1A ground connection respectively; 2nd pin of described TA7376 chip connects one end of electric capacity C3, other end one end of connecting resistance R5 and one end of slide resistor W2A respectively of described electric capacity C3, the other end ground connection of described resistance R5, one end of another termination capacitor C9 of described slide resistor W2A, the other end of described resistance C9 meets electric capacity C4 and resistance R6 respectively, the other end ground connection of described resistance R6, the 8th pin of another termination TA7376 chip of described electric capacity C4; 9th pin of described TA7376 chip connects one end of described resistance R2 and resistance R4 respectively, and the other end of described resistance R4 meets electric capacity C2 and slide resistor W1B respectively, the other end ground connection of described resistance R4 and slide resistor W1B; 4th pin of described TA7376 chip is connected by the positive pole of described K switch with described battery BT, the minus earth of described battery BT; 3rd pin of described TA7376 chip and the indirect described electric capacity C5 of the 5th pin, the indirect described electric capacity C6 of the 5th pin and the 6th pin; 3rd pin of described TA7376 chip connects electric capacity C7 positive pole, the negative pole plug of electric capacity C7; 5th pin ground connection of described TA7376 chip, the 6th pin connects the positive pole of electric capacity C8, the negative pole plug of electric capacity C8.
2. receiver amplifier according to claim 1, is characterized in that: the 4th pin of described TA7376 chip connects the positive pole of described electric capacity C10, the minus earth of described electric capacity C10.
CN201520270675.8U 2015-04-29 2015-04-29 Receiver amplifier Expired - Fee Related CN204721585U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520270675.8U CN204721585U (en) 2015-04-29 2015-04-29 Receiver amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520270675.8U CN204721585U (en) 2015-04-29 2015-04-29 Receiver amplifier

Publications (1)

Publication Number Publication Date
CN204721585U true CN204721585U (en) 2015-10-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520270675.8U Expired - Fee Related CN204721585U (en) 2015-04-29 2015-04-29 Receiver amplifier

Country Status (1)

Country Link
CN (1) CN204721585U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105872906A (en) * 2016-05-20 2016-08-17 浙江鑫网电子科技有限公司 Power amplifier circuit of loudspeaker
CN105979426A (en) * 2016-07-09 2016-09-28 黑龙江职业学院 English listening and speaking training device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105872906A (en) * 2016-05-20 2016-08-17 浙江鑫网电子科技有限公司 Power amplifier circuit of loudspeaker
CN105979426A (en) * 2016-07-09 2016-09-28 黑龙江职业学院 English listening and speaking training device and method

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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

Granted publication date: 20151021

Termination date: 20170429

CF01 Termination of patent right due to non-payment of annual fee