CN104467419A - Two-stage low-pass filtering and amplifying, peak clipping and pulse modulation system based on linear driving - Google Patents
Two-stage low-pass filtering and amplifying, peak clipping and pulse modulation system based on linear driving Download PDFInfo
- Publication number
- CN104467419A CN104467419A CN201410715214.7A CN201410715214A CN104467419A CN 104467419 A CN104467419 A CN 104467419A CN 201410715214 A CN201410715214 A CN 201410715214A CN 104467419 A CN104467419 A CN 104467419A
- Authority
- CN
- China
- Prior art keywords
- triode
- pole
- resistance
- circuit
- polar capacitor
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a two-stage low-pass filtering and amplifying, peak clipping and pulse modulation system based on linear driving. The system mainly comprises a peak clipping circuit, a pulse modulation circuit and a two-stage low-pass filtering and amplifying circuit, wherein the pulse modulation circuit is connected with the output end of the peak clipping circuit, and the two-stage low-pass filtering and amplifying circuit is connected with the output end of the pulse modulation circuit. The system is characterized by further comprising a linear driving circuit arranged between the peak clipping circuit and the pulse modulation circuit; the linear driving circuit is composed of a driving chip U2, a triode VT5, a triode VT6, a triode VT7, a triode VT8, a polar capacitor C10, a resistor R14 and the like; the positive electrode of the polar capacitor C10 is connected with the peak clipping circuit, and the negative electrode of the polar capacitor C10 is connected with a pin IN1 of the driving chip U2 after passing through a resistor R13; one end of the resistor R14 is connected with the collector electrode of the triode VT5, and the other end of the resistor R14 is connected with the base electrode of the triode VT7 after passing through a resistor R15. Under the action of the linear driving circuit, the system can provide a stable voltage and prevent the situation that the using effect and the service life of an electric appliance are affected by an unstable voltage.
Description
Technical field
The present invention relates to electronic applications, specifically refer to that a kind of two-stage low-pass filtering based on Linear Driving amplifies peak clipping pulse wave modulation system.
Background technology
Being applied in social production and human lives of electric energy is more and more universal, and the electrical equipment adapting to various difference requirement also constantly occurs, in life, people use pulse wave modulation circuit to come to electric power supply usually, to meet the use of people to electrical equipment.But in actual use, the power that pulse wave modulation circuit exports is not high, can not meet the electrical equipment demand that people increase day by day.
Summary of the invention
The power that the object of the invention is to overcome the output of traditional pulse wave circuit is not high, can not meet the defect of the electrical equipment demand that people increase day by day, provides a kind of two-stage low-pass filtering based on Linear Driving to amplify peak clipping pulse wave modulation system.
Object of the present invention is achieved through the following technical solutions: the two-stage low-pass filtering based on Linear Driving amplifies peak clipping pulse wave modulation system, mainly comprise peak-clipping circuit, the pulse wave modulation circuit be connected with peak-clipping circuit output, the two-stage low-pass filtering amplifying circuit be connected with pulse wave modulation circuit output, also comprise the linear drive circuit be arranged between peak-clipping circuit and pulse wave modulation circuit, described linear drive circuit is by driving chip U2, triode VT5, triode VT6, triode VT7, triode VT8, positive pole is connected with peak-clipping circuit, the polar capacitor C10 that negative pole is connected with the IN1 pin of driving chip U2 after resistance R13, one end is connected with the collector electrode of triode VT5, the resistance R14 that the other end is connected with the base stage of triode VT7 after resistance R15, positive pole is connected with the base stage of triode VT5, the polar capacitor C12 that negative pole is connected with the IN1 pin of driving chip U2, positive pole is connected with the IN2 pin of driving chip U2, the polar capacitor C11 of minus earth, one end is connected with the emitter of triode VT5, the resistance R17 that the other end is connected with the base stage of triode VT6, one end is connected with the base stage of triode VT6, the resistance R16 that the other end is connected with the base stage of triode VT7, N pole is connected with the collector electrode of triode VT5, the diode D6 that P pole is connected with the collector electrode of triode VT6, positive terminal is connected with the collector electrode of triode VT5, the not gate K that end of oppisite phase is connected with triode VT8 collector electrode, one end is connected with triode VT8 emitter, the resistance R19 that the other end is connected with the emitter of triode VT7 after resistance R18, the end of oppisite phase of P pole NAND gate K is connected, the diode D7 that N pole is connected with the tie point of resistance R19 with resistance R18 forms, the VCC pin of described driving chip U2 is connected with the base stage of triode VT5, END pin ground connection, OUT pin are connected with the collector electrode of triode VT6, the collector electrode of triode VT6 is also connected with the base stage of triode VT8, its emitter is connected with the base stage of triode man VT7, the grounded collector of triode VT7, the N pole of diode D7 is connected with pulse wave modulation circuit.
Described peak-clipping circuit is by triode VT1, triode VT2, P pole after resistance R1 as an input of system, the diode D1 that N pole is connected with the base stage of triode VT1, P pole after resistance R2 as another input of system, the diode D2 that N pole is connected with the base stage of triode VT1, one end is connected with the base stage of triode VT1, the resistance R3 that the other end is connected with the base stage of triode VT2, N pole is connected with the P pole of diode D2, the diode D3 that P pole is connected with the base stage of triode VT2, N pole is connected with the P pole of diode D1, the diode D4 that P pole is connected with the base stage of triode VT2, one end is connected with the emitter of triode VT1, the resistance R4 that the other end is connected with pulse wave modulation circuit, one end is connected with the emitter of triode VT2, the resistance R5 that the other end is connected with the positive pole of electric capacity C10 forms, described triode VT1 is all connected with pulse wave modulation circuit with the collector electrode of triode VT2.
Described pulse wave modulation circuit is by oscillating circuit, and the commutation circuit be connected with output end of oscillating circuit forms; Described oscillating circuit is by oscillator U, positive pole is connected with the BD pin of oscillator U after polar capacitor C2, negative pole after polar capacitor C3 with the not gate A1 that N pole is connected, output is connected with commutation circuit of diode D7, the polar capacitor C1 that positive pole is connected with resistance R4, negative pole is connected with two-stage low-pass filtering amplifying circuit forms; The GND pin ground connection of described oscillator U, VDD pin are connected with the negative pole of polar capacitor C1, FB pin is all connected with commutation circuit with CS pin, BD pin is connected with the collector electrode of triode VT1, and the positive pole of not gate A1 is also connected with the collector electrode of triode VT2.
Described commutation circuit is by trigger U1, the inverting amplifier D5 that P pole is connected with the CS pin of oscillator U, N pole is connected with the CK pin of trigger U1, the not gate A2 that negative pole is connected with the N pole of inverting amplifier D5, positive pole is connected with the Q pin of trigger U1, output is connected with the two poles of the earth low-pass filtering amplifying circuit forms.The output of the CK pin NAND gate A1 of described trigger U1 is connected, D pin is connected with the FB pin of oscillator U.
Described two-stage low-pass filtering amplifying circuit is by amplifier P1, amplifier P2, triode VT3, triode VT4, the output stage of positive pole NAND gate A2 is connected, the polar capacitor C4 of minus earth, one end is connected with the normal phase input end of amplifier P1, the resistance R6 that the other end is connected with the positive pole of polar capacitor C4, positive pole is connected with amplifier P1 inverting input after resistance R7, the polar capacitor C5 that negative pole is connected with the negative pole of polar capacitor C4, be serially connected in the polar capacitor C6 between the output of amplifier P1 and inverting input, negative pole is connected with the output of amplifier P1, the polar capacitor C7 that positive pole is connected with the base stage of triode VT4, one end is connected with the collector electrode of triode VT4, the resistance R8 that the other end is connected with the emitter of triode VT3, positive pole is connected with the base stage of triode VT3 after resistance R9, the polar capacitor C8 that negative pole is connected with the negative pole of polar capacitor C6 and the negative pole of electric capacity C1 simultaneously, one end is connected with the positive pole of polar capacitor C8, the resistance R11 that the other end is connected with the inverting input of amplifier P2, the resistance R10 be in parallel with resistance R11, be serially connected in the polar capacitor C9 between the output of amplifier P2 and inverting input, and the resistance R12 be serially connected between the normal phase input end of amplifier P2 and output forms, as an output of system while the emitter of described triode VT4 is connected with polar capacitor C6 negative pole, the collector electrode of triode VT3 is connected with the normal phase input end of amplifier P2, and the output of amplifier P2 is as another output of system.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
(1) the present invention adopts two-stage low-pass filtering amplifying circuit, and it can amplify the power output of modulation system, the demand making system can meet more electrical equipment simultaneously to use.
(2) the present invention is by the effect of linear drive circuit, can provide stable voltage, prevents electrical equipment from affecting result of use and useful life because of spread of voltage.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the overall structure schematic diagram of linear drive 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, two-stage low-pass filtering based on Linear Driving of the present invention amplifies peak clipping pulse wave modulation system, mainly comprise peak-clipping circuit, the pulse wave modulation circuit be connected with peak-clipping circuit output, the two-stage low-pass filtering amplifying circuit be connected with pulse wave modulation circuit output; Also comprise the linear drive circuit be arranged between peak-clipping circuit and pulse wave modulation circuit.
As shown in Figure 2, described linear drive circuit is by driving chip U2, triode VT5, triode VT6, triode VT7, triode VT8, positive pole is connected with peak-clipping circuit, the polar capacitor C10 that negative pole is connected with the IN1 pin of driving chip U2 after resistance R13, one end is connected with the collector electrode of triode VT5, the resistance R14 that the other end is connected with the base stage of triode VT7 after resistance R15, positive pole is connected with the base stage of triode VT5, the polar capacitor C12 that negative pole is connected with the IN1 pin of driving chip U2, positive pole is connected with the IN2 pin of driving chip U2, the polar capacitor C11 of minus earth, one end is connected with the emitter of triode VT5, the resistance R17 that the other end is connected with the base stage of triode VT6, one end is connected with the base stage of triode VT6, the resistance R16 that the other end is connected with the base stage of triode VT7, N pole is connected with the collector electrode of triode VT5, the diode D6 that P pole is connected with the collector electrode of triode VT6, positive terminal is connected with the collector electrode of triode VT5, the not gate K that end of oppisite phase is connected with triode VT8 collector electrode, one end is connected with triode VT8 emitter, the resistance R19 that the other end is connected with the emitter of triode VT7 after resistance R18, the end of oppisite phase of P pole NAND gate K is connected, the diode D7 that N pole is connected with the tie point of resistance R19 with resistance R18 forms, the VCC pin of described driving chip U2 is connected with the base stage of triode VT5, END pin ground connection, OUT pin are connected with the collector electrode of triode VT6, the collector electrode of triode VT6 is also connected with the base stage of triode VT8, its emitter is connected with the base stage of triode man VT7, the grounded collector of triode VT7, the N pole of diode D7 is connected with pulse wave modulation circuit.The effect of linear drive circuit, can provide stable voltage, prevents electrical equipment from affecting result of use and useful life because of spread of voltage.In order to ensure implementation result, described driving chip U is preferably LM387 integrated chip, its highly sensitive and low price.
Described peak-clipping circuit is by triode VT1, triode VT2, P pole after resistance R1 as an input of system, the diode D1 that N pole is connected with the base stage of triode VT1, P pole after resistance R2 as another input of system, the diode D2 that N pole is connected with the base stage of triode VT1, one end is connected with the base stage of triode VT1, the resistance R3 that the other end is connected with the base stage of triode VT2, N pole is connected with the P pole of diode D2, the diode D3 that P pole is connected with the base stage of triode VT2, N pole is connected with the P pole of diode D1, the diode D4 that P pole is connected with the base stage of triode VT2, one end is connected with the emitter of triode VT1, the resistance R4 that the other end is connected with pulse wave modulation circuit, one end is connected with the emitter of triode VT2, the resistance R5 that the other end is connected with the positive pole of electric capacity C10 forms, described triode VT1 is all connected with pulse wave modulation circuit with the collector electrode of triode VT2.
Described pulse wave modulation circuit is by oscillating circuit, and the commutation circuit be connected with output end of oscillating circuit forms; Described oscillating circuit is by oscillator U, positive pole is connected with the BD pin of oscillator U after polar capacitor C2, negative pole after polar capacitor C3 with the not gate A1 that N pole is connected, output is connected with commutation circuit of diode D7, the polar capacitor C1 that positive pole is connected with resistance R4, negative pole is connected with two-stage low-pass filtering amplifying circuit forms; The GND pin ground connection of described oscillator U, VDD pin are connected with the negative pole of polar capacitor C1, FB pin is all connected with commutation circuit with CS pin, BD pin is connected with the collector electrode of triode VT1, and the positive pole of not gate A1 is also connected with the collector electrode of triode VT2.
Described commutation circuit is by trigger U1, the inverting amplifier D5 that P pole is connected with the CS pin of oscillator U, N pole is connected with the CK pin of trigger U1, the not gate A2 that negative pole is connected with the N pole of inverting amplifier D5, positive pole is connected with the Q pin of trigger U1, output is connected with the two poles of the earth low-pass filtering amplifying circuit forms.The output of the CK pin NAND gate A1 of described trigger U1 is connected, D pin is connected with the FB pin of oscillator U.
Described two-stage low-pass filtering amplifying circuit is by amplifier P1, amplifier P2, triode VT3, triode VT4, the output stage of positive pole NAND gate A2 is connected, the polar capacitor C4 of minus earth, one end is connected with the normal phase input end of amplifier P1, the resistance R6 that the other end is connected with the positive pole of polar capacitor C4, positive pole is connected with amplifier P1 inverting input after resistance R7, the polar capacitor C5 that negative pole is connected with the negative pole of polar capacitor C4, be serially connected in the polar capacitor C6 between the output of amplifier P1 and inverting input, negative pole is connected with the output of amplifier P1, the polar capacitor C7 that positive pole is connected with the base stage of triode VT4, one end is connected with the collector electrode of triode VT4, the resistance R8 that the other end is connected with the emitter of triode VT3, positive pole is connected with the base stage of triode VT3 after resistance R9, the polar capacitor C8 that negative pole is connected with the negative pole of polar capacitor C6 and the negative pole of electric capacity C1 simultaneously, one end is connected with the positive pole of polar capacitor C8, the resistance R11 that the other end is connected with the inverting input of amplifier P2, the resistance R10 be in parallel with resistance R11, be serially connected in the polar capacitor C9 between the output of amplifier P2 and inverting input, and the resistance R12 be serially connected between the normal phase input end of amplifier P2 and output forms, as an output of system while the emitter of described triode VT4 is connected with polar capacitor C6 negative pole, the collector electrode of triode VT3 is connected with the normal phase input end of amplifier P2, and the output of amplifier P2 is as another output of system.
As mentioned above, just the present invention can well be realized.
Claims (4)
1. the two-stage low-pass filtering based on Linear Driving amplifies peak clipping pulse wave modulation system, mainly comprises peak-clipping circuit, the pulse wave modulation circuit be connected with peak-clipping circuit output, the two-stage low-pass filtering amplifying circuit be connected with pulse wave modulation circuit output, it is characterized in that: also comprise the linear drive circuit be arranged between peak-clipping circuit and pulse wave modulation circuit, described linear drive circuit is by driving chip U2, triode VT5, triode VT6, triode VT7, triode VT8, positive pole is connected with peak-clipping circuit, the polar capacitor C10 that negative pole is connected with the IN1 pin of driving chip U2 after resistance R13, one end is connected with the collector electrode of triode VT5, the resistance R14 that the other end is connected with the base stage of triode VT7 after resistance R15, positive pole is connected with the base stage of triode VT5, the polar capacitor C12 that negative pole is connected with the IN1 pin of driving chip U2, positive pole is connected with the IN2 pin of driving chip U2, the polar capacitor C11 of minus earth, one end is connected with the emitter of triode VT5, the resistance R17 that the other end is connected with the base stage of triode VT6, one end is connected with the base stage of triode VT6, the resistance R16 that the other end is connected with the base stage of triode VT7, N pole is connected with the collector electrode of triode VT5, the diode D6 that P pole is connected with the collector electrode of triode VT6, positive terminal is connected with the collector electrode of triode VT5, the not gate K that end of oppisite phase is connected with triode VT8 collector electrode, one end is connected with triode VT8 emitter, the resistance R19 that the other end is connected with the emitter of triode VT7 after resistance R18, the end of oppisite phase of P pole NAND gate K is connected, the diode D7 that N pole is connected with the tie point of resistance R19 with resistance R18 forms, the VCC pin of described driving chip U2 is connected with the base stage of triode VT5, END pin ground connection, OUT pin are connected with the collector electrode of triode VT6, the collector electrode of triode VT6 is also connected with the base stage of triode VT8, its emitter is connected with the base stage of triode man VT7, the grounded collector of triode VT7, the N pole of diode D7 is connected with pulse wave modulation circuit.
2. the two-stage low-pass filtering based on Linear Driving according to claim 1 amplifies peak clipping pulse wave modulation system, it is characterized in that: described peak-clipping circuit is by triode VT1, triode VT2, P pole after resistance R1 as an input of system, the diode D1 that N pole is connected with the base stage of triode VT1, P pole after resistance R2 as another input of system, the diode D2 that N pole is connected with the base stage of triode VT1, one end is connected with the base stage of triode VT1, the resistance R3 that the other end is connected with the base stage of triode VT2, N pole is connected with the P pole of diode D2, the diode D3 that P pole is connected with the base stage of triode VT2, N pole is connected with the P pole of diode D1, the diode D4 that P pole is connected with the base stage of triode VT2, one end is connected with the emitter of triode VT1, the resistance R4 that the other end is connected with pulse wave modulation circuit, one end is connected with the emitter of triode VT2, the resistance R5 that the other end is connected with the positive pole of electric capacity C10 forms, described triode VT1 is all connected with pulse wave modulation circuit with the collector electrode of triode VT2.
3. the two-stage low-pass filtering based on Linear Driving according to claim 2 amplifies peak clipping pulse wave modulation system, it is characterized in that: described pulse wave modulation circuit is by oscillating circuit, and the commutation circuit be connected with output end of oscillating circuit forms; Described oscillating circuit is by oscillator U, positive pole is connected with the BD pin of oscillator U after polar capacitor C2, negative pole after polar capacitor C3 with the not gate A1 that N pole is connected, output is connected with commutation circuit of diode D7, the polar capacitor C1 that positive pole is connected with resistance R4, negative pole is connected with two-stage low-pass filtering amplifying circuit forms; The GND pin ground connection of described oscillator U, VDD pin are connected with the negative pole of polar capacitor C1, FB pin is all connected with commutation circuit with CS pin, BD pin is connected with the collector electrode of triode VT1, and the positive pole of not gate A1 is also connected with the collector electrode of triode VT2;
Described commutation circuit is by trigger U1, the inverting amplifier D5 that P pole is connected with the CS pin of oscillator U, N pole is connected with the CK pin of trigger U1, the not gate A2 that negative pole is connected with the N pole of inverting amplifier D5, positive pole is connected with the Q pin of trigger U1, output is connected with the two poles of the earth low-pass filtering amplifying circuit forms.The output of the CK pin NAND gate A1 of described trigger U1 is connected, D pin is connected with the FB pin of oscillator U.
4. the two-stage low-pass filtering based on Linear Driving according to claim 3 amplifies peak clipping pulse wave modulation system, it is characterized in that: described two-stage low-pass filtering amplifying circuit is by amplifier P1, amplifier P2, triode VT3, triode VT4, the output stage of positive pole NAND gate A2 is connected, the polar capacitor C4 of minus earth, one end is connected with the normal phase input end of amplifier P1, the resistance R6 that the other end is connected with the positive pole of polar capacitor C4, positive pole is connected with amplifier P1 inverting input after resistance R7, the polar capacitor C5 that negative pole is connected with the negative pole of polar capacitor C4, be serially connected in the polar capacitor C6 between the output of amplifier P1 and inverting input, negative pole is connected with the output of amplifier P1, the polar capacitor C7 that positive pole is connected with the base stage of triode VT4, one end is connected with the collector electrode of triode VT4, the resistance R8 that the other end is connected with the emitter of triode VT3, positive pole is connected with the base stage of triode VT3 after resistance R9, the polar capacitor C8 that negative pole is connected with the negative pole of polar capacitor C6 and the negative pole of electric capacity C1 simultaneously, one end is connected with the positive pole of polar capacitor C8, the resistance R11 that the other end is connected with the inverting input of amplifier P2, the resistance R10 be in parallel with resistance R11, be serially connected in the polar capacitor C9 between the output of amplifier P2 and inverting input, and the resistance R12 be serially connected between the normal phase input end of amplifier P2 and output forms, as an output of system while the emitter of described triode VT4 is connected with polar capacitor C6 negative pole, the collector electrode of triode VT3 is connected with the normal phase input end of amplifier P2, and the output of amplifier P2 is as another output of system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410715214.7A CN104467419A (en) | 2014-11-29 | 2014-11-29 | Two-stage low-pass filtering and amplifying, peak clipping and pulse modulation system based on linear driving |
| CN201510323637.9A CN104967315A (en) | 2014-11-29 | 2015-06-12 | Low-pass filtering amplification peak-clipping pulse wave modulation system based on step-down type constant current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410715214.7A CN104467419A (en) | 2014-11-29 | 2014-11-29 | Two-stage low-pass filtering and amplifying, peak clipping and pulse modulation system based on linear driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104467419A true CN104467419A (en) | 2015-03-25 |
Family
ID=52912942
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410715214.7A Pending CN104467419A (en) | 2014-11-29 | 2014-11-29 | Two-stage low-pass filtering and amplifying, peak clipping and pulse modulation system based on linear driving |
| CN201510323637.9A Withdrawn CN104967315A (en) | 2014-11-29 | 2015-06-12 | Low-pass filtering amplification peak-clipping pulse wave modulation system based on step-down type constant current |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510323637.9A Withdrawn CN104967315A (en) | 2014-11-29 | 2015-06-12 | Low-pass filtering amplification peak-clipping pulse wave modulation system based on step-down type constant current |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104467419A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849045A (en) * | 2015-05-17 | 2015-08-19 | 成都诚邦动力测试仪器有限公司 | Gearbox testing system based on peak clipping pulse wave modulation circuit |
| CN104967315A (en) * | 2014-11-29 | 2015-10-07 | 成都颉盛科技有限公司 | Low-pass filtering amplification peak-clipping pulse wave modulation system based on step-down type constant current |
| CN107888177A (en) * | 2017-11-22 | 2018-04-06 | 西安电子科技大学 | IC interior offset correction circuit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4882561B2 (en) * | 2006-07-12 | 2012-02-22 | セイコーエプソン株式会社 | Receiver circuit and radio correction clock |
| CN202738178U (en) * | 2012-06-14 | 2013-02-13 | 青岛威力风光发电设备有限公司 | LED voltage reduction drive circuit |
| CN104467419A (en) * | 2014-11-29 | 2015-03-25 | 成都思茂科技有限公司 | Two-stage low-pass filtering and amplifying, peak clipping and pulse modulation system based on linear driving |
-
2014
- 2014-11-29 CN CN201410715214.7A patent/CN104467419A/en active Pending
-
2015
- 2015-06-12 CN CN201510323637.9A patent/CN104967315A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967315A (en) * | 2014-11-29 | 2015-10-07 | 成都颉盛科技有限公司 | Low-pass filtering amplification peak-clipping pulse wave modulation system based on step-down type constant current |
| CN104849045A (en) * | 2015-05-17 | 2015-08-19 | 成都诚邦动力测试仪器有限公司 | Gearbox testing system based on peak clipping pulse wave modulation circuit |
| CN107888177A (en) * | 2017-11-22 | 2018-04-06 | 西安电子科技大学 | IC interior offset correction circuit |
| CN107888177B (en) * | 2017-11-22 | 2020-07-07 | 西安电子科技大学 | Integrated circuit internal bias correction circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104967315A (en) | 2015-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104467438A (en) | High-power triggering and boosting circuit based on linear driving | |
| CN104467419A (en) | Two-stage low-pass filtering and amplifying, peak clipping and pulse modulation system based on linear driving | |
| CN105049005A (en) | Phase sensitive detection type control system based on wideband triangular wave | |
| CN104869729A (en) | Broad-pulse triggering lowpass filtering LED voltage stabilizing system based on phase processing | |
| CN104467807A (en) | Wiring harness winding inserter system based on linear driving | |
| CN104916020A (en) | Novel phase-shifting type image processing system based on common source amplifying circuit | |
| CN204349798U (en) | Two-stage low-pass filtering based on Linear Driving amplifies peak clipping pulse wave modulation system | |
| CN104393741A (en) | Peak clipping pulse wave modulation system based on two-stage low-pass filter and amplification treatment | |
| CN104977958B (en) | A kind of linear drive system based on non-isolated output buck | |
| CN104467777A (en) | High-capacity wire harness winding inserter system based on linear driving | |
| CN104410285A (en) | Phase-shift processing based pulse modulation system by low-pass amplification | |
| CN204316343U (en) | Low pass based on phase shift process amplifies pulse wave modulation system | |
| CN204335054U (en) | A kind of two-stage low-pass filtering based on Linear Driving amplifies LED voltage-stabilizing system | |
| CN204304769U (en) | The peak clipping pulse wave modulation system of process is amplified based on two-stage LPF | |
| CN104967431A (en) | Wideband triangular wave control system based on step-down type constant current | |
| CN104486868A (en) | Power amplification type grid electrode driving system | |
| CN204334540U (en) | Based on the wire harness winding inserter system of Linear Driving | |
| CN104602399A (en) | Linear drive based two-stage low-pass filtering and amplification LED voltage stabilizing system | |
| CN204334528U (en) | A kind of high capacity wire harness winding inserter system based on Linear Driving | |
| CN204408610U (en) | A kind of high bandwidth from gain audio frequency processing system | |
| CN204316808U (en) | A kind of low-pass filtering LED voltage-stabilizing system based on Phase Processing | |
| CN104967427A (en) | Wideband filtering system based on non-isolated output voltage reduction | |
| CN204465923U (en) | Based on the great power LED drive system of Linear Driving | |
| CN104470090A (en) | Power amplifying type logic control circuit based on source electrode follower | |
| CN204316484U (en) | A kind of linear drive circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |