CN206893287U

CN206893287U - A kind of guitar sound pick-up

Info

Publication number: CN206893287U
Application number: CN201720546713.7U
Authority: CN
Inventors: 胡明星
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-17
Filing date: 2017-05-17
Publication date: 2018-01-16
Anticipated expiration: 2027-05-17

Abstract

The utility model discloses a kind of guitar sound pick-up, by dc source, first resistor is to the 6th resistance, first electric capacity to the 8th electric capacity, first triode to the 3rd triode, pick-up coil, inductance and antenna composition, by pick-up coil, first triode, second triode, first resistor is to the 5th resistance, first electric capacity, second electric capacity and potentiometer composition pickup circuit, radio transmitter is formed by the 3rd electric capacity to the 8th electric capacity, the utility model is acquired audio by pickup circuit, audio signal is amplified, pass through inductance, capacitor filtering, improve tonequality, again by carrying out wireless transmission after amplification, only with 20 basic component compositions, without integrated chip, cost is cheap, value with popularization and application.

Description

A kind of guitar sound pick-up

Technical field

It the utility model is related to a kind of guitar accessory, more particularly to a kind of guitar sound pick-up.

Background technology

Guitar is often considered as dominant musical instrument in pop music, rock music, Blues, folk song, Flamenco.And in Gu In the field of allusion quotation music, guitar is often performed with the pattern of solo or duet；Certainly, indoors in happy orchestral music, guitar is also Play considerable degree of setoff role.In the prior art, guitar is all to gather audio by sound pick-up when playing , and in performing at the scene, it is various by wireless collection, the wireless transmission technique species of prior art mostly, function is each There is quality, in line with raising tonequality and reduce the spirit of cost, it is necessary to constantly improve and innovate.

Utility model content

The purpose of this utility model is that to solve the above problems and provides a kind of guitar sound pick-up.

The utility model is achieved through the following technical solutions above-mentioned purpose：

The utility model is by dc source, first resistor to the 6th resistance, the first electric capacity to the 8th electric capacity, the first triode Formed to the 3rd triode, pick-up coil, inductance and antenna, dc source 9V, first resistor are 3.3k Ω, second resistance is 15k Ω, 3rd resistor are 3.6k Ω, the 4th resistance is 2k Ω, the 5th resistance is 56k Ω, the 6th resistance is 100 Ω, the first electricity It is 1000pF to hold for 10uF, the second electric capacity, the 3rd electric capacity is 47pF, the 4th electric capacity is 0.01uF, the 5th electric capacity is 0.1uF, Six electric capacity are 5000pF, the 7th electric capacity is 56pF, the 8th electric capacity is 47uF, the first triode to the 3rd triode model is The enamel-covered wire that LM9011, pick-up coil are general guitar pickup winding, inductance is diameter 1mm is on diameter 10mm cylinder The demoulding of the circle of coiling 10 forms, antenna is 5-10cm metallic conductor antennas；

The positive pole of the dc source simultaneously with the first end of second resistance, the first end of the 4th resistance, the 5th resistance First end, the first end of the 5th electric capacity connect with the first end of inductance, the negative pole of dc source while first with pick-up coil End, the emitter stage of the first triode, the first end of potentiometer, the first end of the 5th resistance, the first end of the 4th electric capacity, the 6th electricity The first end of resistance is connected with the first end of the 6th electric capacity, and the second end of pick-up coil is connected with the first end of the first electric capacity, and first Second end of electric capacity is connected with the base stage of the first triode and the first end of first resistor simultaneously, and the second end of first resistor is simultaneously The colelctor electrode at the second end, the first triode and the first end of the second electric capacity with second resistance are connected, the second end of the second electric capacity It is connected with the second end of potentiometer, the sliding end of potentiometer connects with the base stage of the second triode and the first end of 3rd resistor simultaneously Connect, the second end of 3rd resistor while first with the second end of the 4th resistance, the colelctor electrode of the second triode and the 3rd electric capacity End connection, the emitter stage of the second triode are connected with the second end of the 5th resistance, and the second end of the 3rd electric capacity is simultaneously electric with the 5th The second end, the second end of the 4th electric capacity of resistance connects with the base stage of the 3rd triode, the emitter stage of the 3rd triode while with the The second end, the second end of the 6th electric capacity of six resistance connect with the first end of the 7th electric capacity, and the colelctor electrode of the 3rd triode is simultaneously Second end, the second end of the 7th electric capacity and the first end of the 8th electric capacity at the second end, inductance with the 5th electric capacity are connected, the 8th electricity The second end held is connected with antenna.

The beneficial effects of the utility model are：

The utility model is a kind of guitar sound pick-up, and the utility model is acquired audio by pickup circuit, by audio Signal is amplified, and by inductance, capacitor filtering, improves tonequality, then by carrying out wireless transmission after amplification, only with 20 Carry out a basic component composition, without integrated chip, cost is cheap, has the value of popularization and application.

Brief description of the drawings

Fig. 1 is circuit structure schematic diagram of the present utility model.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings：

As shown in Figure 1：The utility model is by dc source DC9V, first resistor R1 to the 6th resistance R6, the first electric capacity C1 To the 8th electric capacity C8, the first triode VT1 to the 3rd triode VT3, pick-up coil L, inductance L1 and antenna TX form, direct current Source is 9V, first resistor R1 is 3.3k Ω, second resistance R2 is 15k Ω, 3rd resistor R3 is 3.6k Ω, the 4th resistance R4 is 2k Ω, the 5th resistance R5 are 56k Ω, the 6th resistance R6 is 100 Ω, the first electric capacity C1 is 10uF, the second electric capacity C2 is 1000pF, Three electric capacity C3 are 47pF, the 4th electric capacity C4 is 0.01uF, the 5th electric capacity C5 is 0.1uF, the 6th electric capacity C6 is 5000pF, the 7th electricity Appearance C7 is 56pF, the 8th electric capacity C8 is 47uF, the first triode VT1 to the 3rd triode VT3 models is LM9011, pick-up line The circle enamel-covered wire that L is general guitar pickup winding, inductance L1 is diameter 1mm circle of coiling 10 on diameter 10mm cylinder takes off Mould forms, antenna TX is 5-10cm metallic conductor antennas；

The positive pole of the dc source DC9V first end with second resistance R2, the 4th resistance R4 first end, the simultaneously Five resistance R5 first end, the 5th electric capacity C5 first end connects with inductance L1 first end, and dc source DC9V negative pole is same When with pick-up coil L first end, the first triode VT1 emitter stage, potentiometer RP first end, the first of the 5th resistance R5 End, the 4th electric capacity C4 first end, the 6th resistance R6 first end connect with the 6th electric capacity C6 first end, pick-up coil L's Second end is connected with the first electric capacity C1 first end, the first electric capacity C1 the second end simultaneously with the first triode VT1 base stage and First resistor R1 first end connection, first resistor R1 the second end while the second end with second resistance R2, the first triode VT1 colelctor electrode and the second electric capacity C2 first end are connected, and the second electric capacity C2 the second end is connected with potentiometer RP the second end, Potentiometer RP sliding end is connected with the second triode VT2 base stage and 3rd resistor R3 first end simultaneously, 3rd resistor R3 The second end connect simultaneously with the first end at the 4th resistance R4 the second end, the second triode VT2 colelctor electrode and the 3rd electric capacity C3 Connect, the second triode VT2 emitter stage is connected with the 5th resistance R5 the second end, and the 3rd electric capacity C3 the second end is simultaneously with the 5th Resistance R5 the second end, the 4th electric capacity C4 the second end connects with the 3rd triode VT3 base stage, the 3rd triode VT3 hair Emitter-base bandgap grading is connected with the 6th resistance R6 the second end, the 6th electric capacity C6 the second end and the 7th electric capacity C7 first end simultaneously, and the 3rd Triode VT3 colelctor electrode simultaneously with the 5th electric capacity C5 the second end, inductance L1 the second end, the 7th electric capacity C7 the second end and 8th electric capacity C8 first end connection, the 8th electric capacity C8 the second end is connected with antenna TX.

Operation principle of the present utility model is as follows：

By pick-up coil L, the first triode VT1, the second triode VT2, first resistor R1 to the 5th resistance R5, the first electricity Hold C1, the second electric capacity C2 and potentiometer composition pickup circuit, radio transmitter formed by the 3rd electric capacity C3 to the 8th electric capacity C8, Circuit forms front audio amplifying circuit by the first triode VT1, and the second triode VT2 compositions couple low-frequency amplifier circuit, The low frequency signal induced on pick-up coil L is amplified through the first electric capacity C1 coupled to amplifying circuit, and potentiometer RP is used for adjusting Volume is saved, signal output to radio transmitter, is amplified by the 3rd triode VT3, inductance L1 and capacitor filtering, resistance Stable frequency, then audio signal is launched by antenna, improve tonequality.

The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model Claimed scope is by appended claims and its equivalent thereof.

Claims

A kind of 1. guitar sound pick-up, it is characterised in that：By dc source, first resistor to the 6th resistance, the first electric capacity to the 8th Electric capacity, the first triode to the 3rd triode, pick-up coil, inductance and antenna form, and dc source 9V, first resistor are 3.3k Ω, second resistance are 15k Ω, 3rd resistor is 3.6k Ω, the 4th resistance is 2k Ω, the 5th resistance is 56k Ω, the 6th electricity It is 10uF to hinder for 100 Ω, the first electric capacity, the second electric capacity is 1000pF, the 3rd electric capacity is 47pF, the 4th electric capacity is 0.01uF, Five electric capacity are 0.1uF, the 6th electric capacity is 5000pF, the 7th electric capacity is 56pF, the 8th electric capacity is 47uF, the first triode to the 3rd The enamel-covered wire that triode model is LM9011, pick-up coil is general guitar pickup winding, inductance is diameter 1mm is in diameter The demoulding of the circle of coiling 10 forms on 10mm cylinder, antenna is 5-10cm metallic conductor antennas；

The positive pole of the dc source simultaneously with the first end of second resistance, the first end of the 4th resistance, the 5th resistance first End, the first end of the 5th electric capacity connects with the first end of inductance, the negative pole of dc source while first end with pick-up coil, the The emitter stage of one triode, the first end of potentiometer, the first end of the 5th resistance, the first end of the 4th electric capacity, the 6th resistance First end is connected with the first end of the 6th electric capacity, and the second end of pick-up coil is connected with the first end of the first electric capacity, the first electric capacity The second end be connected simultaneously with the base stage of the first triode and the first end of first resistor, the second end of first resistor while with the The first end connection at the second end of two resistance, the colelctor electrode of the first triode and the second electric capacity, the second end and the electricity of the second electric capacity The second end connection of position device, the sliding end of potentiometer are connected with the base stage of the second triode and the first end of 3rd resistor simultaneously, Second end of 3rd resistor connects with the first end at the second end of the 4th resistance, the colelctor electrode of the second triode and the 3rd electric capacity simultaneously Connect, the emitter stage of the second triode is connected with the second end of the 5th resistance, the second end of the 3rd electric capacity simultaneously with the 5th resistance Second end, the second end of the 4th electric capacity connect with the base stage of the 3rd triode, and the emitter stage of the 3rd triode is simultaneously electric with the 6th The second end, the second end of the 6th electric capacity of resistance connects with the first end of the 7th electric capacity, the colelctor electrode of the 3rd triode while with the Second end of five electric capacity, the second end of inductance, the second end of the 7th electric capacity connect with the first end of the 8th electric capacity, the 8th electric capacity Second end is connected with antenna.