CN104485935A - Novel logic protection type switch power amplifying system - Google Patents
Novel logic protection type switch power amplifying system Download PDFInfo
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- CN104485935A CN104485935A CN201410708010.0A CN201410708010A CN104485935A CN 104485935 A CN104485935 A CN 104485935A CN 201410708010 A CN201410708010 A CN 201410708010A CN 104485935 A CN104485935 A CN 104485935A
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Abstract
The invention discloses a novel logic protection type switch power amplifying system. The novel logic protection type switch power amplifying system mainly comprises a beam stimulated logic amplifying circuit, a power amplifier P1, a power amplifier P2, a power amplifier P3, a resistor R1 and a capacitor C1 which are connected in series between the output end and the cathode input end of the power amplifier P1, a resistor R2 and a capacitor C2 which are connected in series between the output end and the anode input end of the power amplifier P2, a trioxide Q1, and the like, wherein the base of the trioxide is connected with the output end of the power amplifier P1 and the collector of the trioxide is connected to the anode input end of the power amplifier P3 through a resistor R3. The system is simpler in whole structure and easy to manufacture and develop. Meanwhile, by utilizing the system, the attenuation amplitude of an amplifying signal can be reduced effectively, thereby guaranteeing the property of the amplifying signal.
Description
Technical field
The present invention relates to a kind of amplifying circuit, specifically refer to a kind of new logic protection switch power amplification system.
Background technology
At present, widely, relevant voltage signal, current signal and other pulse signals are mainly carried out power amplification by according to demand in the utilization of power amplification circuit.But, traditional power amplification circuit is after carrying out power drive amplification, and not only the attenuation amplitude of its amplifying signal is comparatively large, but also can be subject to outside electromagnetic interference, and then make amplifying signal performance comparatively unstable, serious constrains using and promoting of its profound level.
Summary of the invention
The object of the invention is to overcome the defect of the comparatively large and amplified signal unstable properties of signal attenuation amplitude after the amplification that current power amplification circuit exists, a kind of new logic protection switch power amplification system is provided.
Object of the present invention is achieved through the following technical solutions: a kind of new logic protection switch power amplification system, primarily of beam excitation formula logic amplifying circuit, power amplifier P1, power amplifier P2, power amplifier P3, be serially connected in the resistance R1 between the output of power amplifier P1 and negative input and electric capacity C1, be serially connected in the resistance R2 between the output of power amplifier P2 and electrode input end and electric capacity C2, base stage is connected with the output of power amplifier P1, the triode Q1 that collector electrode is connected with the electrode input end of power amplifier P3 after resistance R3, base stage is connected with the emitter of triode Q1, the triode Q2 that collector electrode is connected with the negative input of power amplifier P3 after resistance R4, base stage is connected with the output of power amplifier P2 after resistance R6, the triode Q3 that collector electrode is connected with the base stage of triode Q2 after resistance R5, positive pole is connected with the negative input of power amplifier P3, and negative pole is connected with the emitter of triode Q2 and the electric capacity C4 of ground connection, the electric capacity C3 be in parallel with resistance R6, one end is connected with the base stage of triode Q3, the resistance R7 of the external-4V voltage of the other end, one end is connected with the emitter of triode Q3, the resistance R8 of the external-4V voltage of the other end, the electric capacity C5 be in parallel with resistance R8, and N pole is connected with the collector electrode of triode Q1, the diode D1 of the extremely external-4V voltage of P forms, the negative input of described power amplifier P1 is connected with the electrode input end of power amplifier P2.
Simultaneously, described beam excitation formula logic amplifying circuit is primarily of power amplifier P4, NAND gate IC1, NAND gate IC2, NAND gate IC3, negative pole is connected with the electrode input end of power amplifier P4, the polar capacitor C6 of positive pole ground connection after optical diode D2, one end is connected with the positive pole of polar capacitor C6, the other end is the resistance R9 of ground connection after virtual protection emitter-base bandgap grading manifold type amplifying circuit and diode D3 in turn, positive pole is connected with the tie point of diode D3 with virtual protection emitter-base bandgap grading manifold type amplifying circuit, the polar capacitor C8 of minus earth, one end is connected with the negative input of NAND gate IC1, the resistance R10 that the other end is connected with the electrode input end of power amplifier P4, be serially connected in the resistance R11 between the negative input of power amplifier P4 and output, one end is connected with the output of NAND gate IC1, the resistance R12 that the other end is connected with the negative input of NAND gate IC3, positive pole is connected with the output of NAND gate IC2, the electric capacity C7 that negative pole is connected with the negative input of NAND gate IC3, and one end is connected with the positive pole of polar capacitor C8, the resistance R13 that the other end is connected with the negative input of NAND gate IC2 forms, the electrode input end of described NAND gate IC1 is connected with the negative input of power amplifier P4, and its output is connected with the electrode input end of NAND gate IC2, and the electrode input end of NAND gate IC3 is connected with the output of power amplifier P4, the positive pole of described polar capacitor C6 is connected with the output of power amplifier P3, and the positive pole of polar capacitor C8 is connected with the emitter of triode Q3.
Described virtual protection emitter-base bandgap grading manifold type amplifying circuit is primarily of triode Q4, triode Q5, power amplifier P5, power amplifier P6, be serially connected in the resistance R15 between the negative input of power amplifier P5 and output, be serially connected in the polar capacitor C11 between the electrode input end of power amplifier P6 and output, be serially connected in the resistance R14 between the electrode input end of power amplifier P5 and the collector electrode of triode Q4, be serially connected in the resistance R16 between the collector electrode of triode Q4 and the base stage of triode Q5, the electric capacity C10 be in parallel with resistance R16, negative pole is connected with the electrode input end of power amplifier P5, the polar capacitor C9 that positive pole is connected with the emitter of triode Q4 after resistance R17, be serially connected in the resistance R18 between the base stage of triode Q5 and the positive pole of polar capacitor C9, positive pole is connected with the emitter of triode Q5, negative pole is in turn through electric capacity C12 that voltage stabilizing didoe D4 is connected with the output of power amplifier P5 after resistance R19, P pole is connected with the output of power amplifier P6, the diode D5 that N pole is connected with the tie point of resistance R19 with voltage stabilizing didoe D4 after resistance R20 through resistance R21, and P pole is connected with the negative pole of electric capacity C12, the voltage stabilizing didoe D6 that N pole is connected with the tie point of resistance R21 with diode D5 forms, the base stage of described triode Q4 is connected with the positive pole of polar capacitor C14, and its emitter is connected with the emitter of triode Q5, and its collector electrode is connected with the negative input of power amplifier P5, the collector electrode of triode Q5 is connected with the negative input of power amplifier P6, and the electrode input end of power amplifier P6 is connected with the output of power amplifier P5, the positive pole of described polar capacitor C9 is then connected with the positive pole of polar capacitor C6 after resistance R9, and resistance R21 is then connected with the P pole of triode D3 with the tie point of resistance R20.
For guaranteeing result of use, described electric capacity C1 and electric capacity C2 is patch capacitor; Described electric capacity C3, electric capacity C4 and electric capacity C5 are then electrochemical capacitor; The resistance of described resistance R1, resistance R2 is 10 K Ω, and the resistance of resistance R3, resistance R4, resistance R5, resistance R6, resistance R7 and resistance R8 is 20 K Ω.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
(1) overall structure of the present invention is comparatively simple, is convenient to make and apply.
(2) the present invention can effectively reduce the attenuation amplitude of amplifying signal, thus guarantees the performance of amplifying signal.
(3) the present invention can effectively reduce the interference of external electromagnetic environment, thus avoids amplifying signal to mix remaining electromagnetic wave, ensures the purity of amplifying signal.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of virtual protection emitter-base bandgap grading manifold type amplifying circuit of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, the present invention is primarily of beam excitation formula logic amplifying circuit, virtual protection emitter-base bandgap grading manifold type amplifying circuit, power amplifier P1, power amplifier P2, power amplifier P3, triode Q1, triode Q2, triode Q3, be serially connected in the one-level RC filter circuit between the output of power amplifier P1 and negative input, be serially connected in the secondary RC filter circuit between the output of power amplifier P2 and electrode input end, and resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, electric capacity C3, electric capacity C4, electric capacity C5 and diode D1 forms.
Wherein, described one-level RC filtered electrical routing resistance R1 and electric capacity C1 is formed in parallel, namely between resistance R1 and the electric capacity C1 negative input that is all serially connected in power amplifier P1 and output; Described secondary RC filter circuit is then formed in parallel by resistance R2 and electric capacity C2, namely between resistance R2 and the electric capacity C2 electrode input end that is all serially connected in power amplifier P2 and output.Meanwhile, the negative input of power amplifier P1 is also connected with the electrode input end of power amplifier P2.
The base stage of triode Q1 is connected with the output of power amplifier P1, and its collector electrode is connected with the electrode input end of power amplifier P3 after resistance R3, and its emitter is then connected with the base stage of triode Q2; The collector electrode of triode Q2 is connected with the negative input of power amplifier P3 after resistance R4, meanwhile, and the collector electrode also external+10V voltage of this triode Q2.
The base stage of triode Q3 is connected with the output of power amplifier P2 after resistance R6, and its collector electrode is then connected with the base stage of triode Q2 after resistance R5.Electric capacity C3 is then in parallel with resistance R6, and for guaranteeing effect, this electric capacity C3 preferentially adopts electrochemical capacitor to realize.During connection, the negative pole of electric capacity C3 is connected with the base stage of triode Q3, and its positive pole is then connected with the output of power amplifier P2.The positive pole of electric capacity C4 is connected with the negative input of power amplifier P3, and its negative pole is then connected with the emitter of triode Q2.Meanwhile, the negative pole of this electric capacity C4 and the equal ground connection of emitter of triode Q2.
One end of resistance R7 is connected with the base stage of triode Q3, the voltage of the external-4V of its other end; And one end of resistance R8 is connected with the emitter of triode Q3, the voltage of its other end then external equally-4V.Electric capacity C5 is then in parallel with resistance R8.Equally, described electric capacity C4 and electric capacity C5 also all adopts electrochemical capacitor to realize.
The N pole of described diode D1 is connected with the collector electrode of triode Q1, and its P pole is at the voltage of external-4V.
Described beam excitation formula logic amplifying circuit is primarily of power amplifier P4, NAND gate IC1, NAND gate IC2, NAND gate IC3, negative pole is connected with the electrode input end of power amplifier P4, the polar capacitor C6 of positive pole ground connection after optical diode D2, one end is connected with the positive pole of polar capacitor C6, the other end is the resistance R9 of ground connection after virtual protection emitter-base bandgap grading manifold type amplifying circuit and diode D3 in turn, positive pole is connected with the tie point of diode D3 with virtual protection emitter-base bandgap grading manifold type amplifying circuit, the polar capacitor C8 of minus earth, one end is connected with the negative input of NAND gate IC1, the resistance R10 that the other end is connected with the electrode input end of power amplifier P4, be serially connected in the resistance R11 between the negative input of power amplifier P4 and output, one end is connected with the output of NAND gate IC1, the resistance R12 that the other end is connected with the negative input of NAND gate IC3, positive pole is connected with the output of NAND gate IC2, the electric capacity C7 that negative pole is connected with the negative input of NAND gate IC3, and one end is connected with the positive pole of polar capacitor C8, the resistance R13 that the other end is connected with the negative input of NAND gate IC2 forms.
Meanwhile, the electrode input end of described NAND gate IC1 is connected with the negative input of power amplifier P4, and its output is connected with the electrode input end of NAND gate IC2, and the electrode input end of NAND gate IC3 is connected with the output of power amplifier P4.
The positive pole of described polar capacitor C6 is connected with the output of power amplifier P3, and the positive pole of polar capacitor C8 is connected with the emitter of triode Q3.For guaranteeing the normal operation of power amplifier P1 and power amplifier P2, this electric capacity C1 and electric capacity C2 all preferentially adopts patch capacitor to realize.And the resistance of resistance R1, resistance R2 is 10 K Ω, the resistance of resistance R3, resistance R4, resistance R5, resistance R6, resistance R7 and resistance R8 is 20 K Ω.
Now, the electrode input end of power amplifier P1 draws the input forming whole switch power amplifying circuit together with the negative input of power amplifier P2, and the output of NAND gate IC3 then forms the output of whole switch power amplifying circuit.
The structure of described virtual protection emitter-base bandgap grading manifold type amplifying circuit as shown in Figure 2, it is primarily of triode Q4, triode Q5, power amplifier P5, power amplifier P6, be serially connected in the resistance R15 between the negative input of power amplifier P5 and output, be serially connected in the polar capacitor C11 between the electrode input end of power amplifier P6 and output, be serially connected in the resistance R14 between the electrode input end of power amplifier P5 and the collector electrode of triode Q4, be serially connected in the resistance R16 between the collector electrode of triode Q4 and the base stage of triode Q5, the electric capacity C10 be in parallel with resistance R16, negative pole is connected with the electrode input end of power amplifier P5, the polar capacitor C9 that positive pole is connected with the emitter of triode Q4 after resistance R17, be serially connected in the resistance R18 between the base stage of triode Q5 and the positive pole of polar capacitor C9, positive pole is connected with the emitter of triode Q5, negative pole is in turn through electric capacity C12 that voltage stabilizing didoe D4 is connected with the output of power amplifier P5 after resistance R19, P pole is connected with the output of power amplifier P6, the diode D5 that N pole is connected with the tie point of resistance R19 with voltage stabilizing didoe D4 after resistance R20 through resistance R21, and P pole is connected with the negative pole of electric capacity C12, the voltage stabilizing didoe D6 that N pole is connected with the tie point of resistance R21 with diode D5 forms.
Meanwhile, the base stage of described triode Q4 is connected with the positive pole of polar capacitor C14, and its emitter is connected with the emitter of triode Q5, and its collector electrode is connected with the negative input of power amplifier P5; The collector electrode of triode Q5 is connected with the negative input of power amplifier P6, and the electrode input end of power amplifier P6 is connected with the output of power amplifier P5.
During connection, the positive pole of described polar capacitor C9 is then connected with the positive pole of polar capacitor C6 after resistance R9, and resistance R21 is then connected with the P pole of triode D3 with the tie point of resistance R20.
As mentioned above, just the present invention can well be realized.
Claims (3)
1. a new logic protection switch power amplification system, primarily of beam excitation formula logic amplifying circuit, power amplifier P1, power amplifier P2, power amplifier P3, be serially connected in the resistance R1 between the output of power amplifier P1 and negative input and electric capacity C1, be serially connected in the resistance R2 between the output of power amplifier P2 and electrode input end and electric capacity C2, base stage is connected with the output of power amplifier P1, the triode Q1 that collector electrode is connected with the electrode input end of power amplifier P3 after resistance R3, base stage is connected with the emitter of triode Q1, the triode Q2 that collector electrode is connected with the negative input of power amplifier P3 after resistance R4, base stage is connected with the output of power amplifier P2 after resistance R6, the triode Q3 that collector electrode is connected with the base stage of triode Q2 after resistance R5, positive pole is connected with the negative input of power amplifier P3, and negative pole is connected with the emitter of triode Q2 and the electric capacity C4 of ground connection, the electric capacity C3 be in parallel with resistance R6, one end is connected with the base stage of triode Q3, the resistance R7 of the external-4V voltage of the other end, one end is connected with the emitter of triode Q3, the resistance R8 of the external-4V voltage of the other end, the electric capacity C5 be in parallel with resistance R8, and N pole is connected with the collector electrode of triode Q1, the diode D1 of the extremely external-4V voltage of P forms, the negative input of described power amplifier P1 is connected with the electrode input end of power amplifier P2, it is characterized in that, described beam excitation formula logic amplifying circuit is primarily of power amplifier P4, NAND gate IC1, NAND gate IC2, NAND gate IC3, negative pole is connected with the electrode input end of power amplifier P4, the polar capacitor C6 of positive pole ground connection after optical diode D2, one end is connected with the positive pole of polar capacitor C6, the other end is the resistance R9 of ground connection after virtual protection emitter-base bandgap grading manifold type amplifying circuit and diode D3 in turn, positive pole is connected with the tie point of diode D3 with virtual protection emitter-base bandgap grading manifold type amplifying circuit, the polar capacitor C8 of minus earth, one end is connected with the negative input of NAND gate IC1, the resistance R10 that the other end is connected with the electrode input end of power amplifier P4, be serially connected in the resistance R11 between the negative input of power amplifier P4 and output, one end is connected with the output of NAND gate IC1, the resistance R12 that the other end is connected with the negative input of NAND gate IC3, positive pole is connected with the output of NAND gate IC2, the electric capacity C7 that negative pole is connected with the negative input of NAND gate IC3, and one end is connected with the positive pole of polar capacitor C8, the resistance R13 that the other end is connected with the negative input of NAND gate IC2 forms, the electrode input end of described NAND gate IC1 is connected with the negative input of power amplifier P4, and its output is connected with the electrode input end of NAND gate IC2, and the electrode input end of NAND gate IC3 is connected with the output of power amplifier P4, the positive pole of described polar capacitor C6 is connected with the output of power amplifier P3, and the positive pole of polar capacitor C8 is connected with the emitter of triode Q3, described virtual protection emitter-base bandgap grading manifold type amplifying circuit is primarily of triode Q4, triode Q5, power amplifier P5, power amplifier P6, be serially connected in the resistance R15 between the negative input of power amplifier P5 and output, be serially connected in the polar capacitor C11 between the electrode input end of power amplifier P6 and output, be serially connected in the resistance R14 between the electrode input end of power amplifier P5 and the collector electrode of triode Q4, be serially connected in the resistance R16 between the collector electrode of triode Q4 and the base stage of triode Q5, the electric capacity C10 be in parallel with resistance R16, negative pole is connected with the electrode input end of power amplifier P5, the polar capacitor C9 that positive pole is connected with the emitter of triode Q4 after resistance R17, be serially connected in the resistance R18 between the base stage of triode Q5 and the positive pole of polar capacitor C9, positive pole is connected with the emitter of triode Q5, negative pole is in turn through electric capacity C12 that voltage stabilizing didoe D4 is connected with the output of power amplifier P5 after resistance R19, P pole is connected with the output of power amplifier P6, the diode D5 that N pole is connected with the tie point of resistance R19 with voltage stabilizing didoe D4 after resistance R20 through resistance R21, and P pole is connected with the negative pole of electric capacity C12, the voltage stabilizing didoe D6 that N pole is connected with the tie point of resistance R21 with diode D5 forms, the base stage of described triode Q4 is connected with the positive pole of polar capacitor C14, and its emitter is connected with the emitter of triode Q5, and its collector electrode is connected with the negative input of power amplifier P5, the collector electrode of triode Q5 is connected with the negative input of power amplifier P6, and the electrode input end of power amplifier P6 is connected with the output of power amplifier P5, the positive pole of described polar capacitor C9 is then connected with the positive pole of polar capacitor C6 after resistance R9, and resistance R21 is then connected with the P pole of triode D3 with the tie point of resistance R20.
2. a kind of new logic protection switch power amplification system according to claim 1, it is characterized in that, described electric capacity C1 and electric capacity C2 is patch capacitor; Described electric capacity C3, electric capacity C4 and electric capacity C5 are then electrochemical capacitor.
3. a kind of new logic protection switch power amplification system according to claim 2; it is characterized in that; the resistance of described resistance R1, resistance R2 is 10 K Ω, and the resistance of resistance R3, resistance R4, resistance R5, resistance R6, resistance R7 and resistance R8 is 20 K Ω.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708010.0A CN104485935A (en) | 2014-11-28 | 2014-11-28 | Novel logic protection type switch power amplifying system |
| CN201510323612.9A CN104967416A (en) | 2014-11-28 | 2015-06-12 | Double filtering type logic protecting switch power amplification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708010.0A CN104485935A (en) | 2014-11-28 | 2014-11-28 | Novel logic protection type switch power amplifying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104485935A true CN104485935A (en) | 2015-04-01 |
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ID=52760451
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410708010.0A Pending CN104485935A (en) | 2014-11-28 | 2014-11-28 | Novel logic protection type switch power amplifying system |
| CN201510323612.9A Withdrawn CN104967416A (en) | 2014-11-28 | 2015-06-12 | Double filtering type logic protecting switch power amplification system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510323612.9A Withdrawn CN104967416A (en) | 2014-11-28 | 2015-06-12 | Double filtering type logic protecting switch power amplification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104485935A (en) |
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2014
- 2014-11-28 CN CN201410708010.0A patent/CN104485935A/en active Pending
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2015
- 2015-06-12 CN CN201510323612.9A patent/CN104967416A/en not_active Withdrawn
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| CN104967416A (en) | 2015-10-07 |
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Application publication date: 20150401 |