CN102055419A - High-efficiency linear power amplifier for underwater acoustic communication - Google Patents
High-efficiency linear power amplifier for underwater acoustic communication Download PDFInfo
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- CN102055419A CN102055419A CN 201010581825 CN201010581825A CN102055419A CN 102055419 A CN102055419 A CN 102055419A CN 201010581825 CN201010581825 CN 201010581825 CN 201010581825 A CN201010581825 A CN 201010581825A CN 102055419 A CN102055419 A CN 102055419A
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Abstract
The invention discloses a high-efficiency linear power amplifier for underwater acoustic communication, comprising a signal isolating and driving module, an integrated power amplification module, a power supply boosting module and an output matching network, wherein the signal isolating and driving module is used for isolating input signals by adopting a linear transformer, and an operation amplifier circuit is adopted for driving; the output end of the signal isolating and driving module is connected with the input end of the integrated power amplification module; an integrated power operation amplifier is adopted for the integrated power amplification module, and the output end of the integrated power amplification module is connected with the output matching network; and the output end of the power supply boosting module is connected with the power supply input end of the integrated power amplification module. The high-efficiency linear power amplifier has the benefits of simpleness in design, high integration level, high reliability and convenience in use. The efficiency is increased by at least 10%. The high-efficiency linear power amplifier is efficient and reliable and is applicable to underwater acoustic communication nodes.
Description
Technical field
The present invention relates to power amplifier field, mainly is a kind of high efficiency linear power amplifiers that is used for underwater sound communication, can realize that the linear power higher than conventional linear efficiency power amplifier height, integrated level amplifies, and is used to amplify complicated water sound communication signal.
Background technology
Underwater sound communication had not only required to send various sophisticated signals, but also has required the signal high-fidelity to transmit, simultaneously, communication node MODEM under water the operating time long, requirement to the heat radiation of power amplifier and power supply is all very high, the conventional linear efficiency power amplifier is lower, generally have only 30%～40%, for overcoming above problem, just must the high efficiency linear power amplifier of development.
Summary of the invention
Purpose of the present invention will overcome the low shortcoming of conventional linear efficiency power amplifier just, and a kind of high efficiency linear power amplifiers that is used for underwater sound communication is provided, to solve the long-time underwater operation of underwater sound communication, efficient is low, heat radiation is difficult, the power utilization rate is low problem.
The present invention solves the technical scheme that its technical problem adopts: this high efficiency linear power amplifiers that is used for underwater sound communication, comprise Signal Spacing and driver module, integrated power amplification module, power supply boost module and output matching network, adopt linear transformer to isolate by Signal Spacing and driver module to input signal, drive and adopt operation amplifier circuit; Signal Spacing is connected with the input of integrated power amplification module with the output of driver module, and the integrated power amplification module adopts the integrated power operational amplifier, and the output of integrated power amplification module is connected with output matching network; The output of power supply boost module is connected with the power input of integrated power amplification module.
As preferably, described power supply boost module adopts the DC/DC power module.
As preferably, described output matching network adopts the transformer impedance mapped structure, and output is parallel with tuning coil L.
The effect that the present invention is useful is: 1, simplicity of design, and the integrated level height, the reliability height, easy to use.2, input/output signal adopts linear the isolation, and circuit anti-interference, reliability improve greatly.3, adopt power supply to boost and the output matching network technology, improve the efficient of power amplifier, efficient improves 10% at least.4, efficient, reliable, be applicable to the underwater sound communication node.
Description of drawings
Fig. 1 is a circuit theory schematic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 1, this high efficiency linear power amplifiers that is used for underwater sound communication, integrated level height, efficient height, reliability height, circuit mainly comprises Signal Spacing and driver module 1, integrated power amplification module 2, power supply boost module 3 and output matching network 4, adopt linear transformer to isolate by Signal Spacing and 1 pair of input signal of driver module, drive and adopt operation amplifier circuit; Circuit design is simple and practical, improves the anti-interference and the reliability of circuit.Signal Spacing is connected with the input of integrated power amplification module 2 with the output of driver module 1, integrated power amplification module 2 adopts the integrated power operational amplifier, this chip has sleep mode and boosting mode, can use simultaneously, improve integrated level, reliability and the electric energy height of circuit.The output of integrated power amplification module 2 is connected with output matching network 4; The output of power supply boost module 3 is connected with the power input of integrated power amplification module 2, power supply boost module 3 adopts the DC/DC power module, utilize small-signal level work that the characteristic of boosting of device VBOOST pin can make amplifier under high voltage but not the big electric current output stage of amplifier, therefore require lower to the booster power modular power, improve to some extent to improving output voltage, thereby realize increasing work efficiency; Output matching network 4 adopts transformer to carry out impedance conversion, adopts the reactive power of the de-tuned coupling underwater sound communication of tuning coil L in parallel transducer, further improves circuit efficiency.
Because common Linear Power Amplifier amplitude output signal is than the low 7～10V of supply voltage, and amplitude output signal only hangs down 2～4V than supply voltage after adopting the power supply pressure build-up technique, amplitude output signal significantly improves, and has made output as far as possible near supply voltage, and physical circuit is seen accompanying drawing.
Under the situation of output 150W power, test input power, computational efficiency, test data such as table 1.As seen Linear Power Amplifier efficient improves 12.7% after adopting the power supply pressure build-up technique.
Table 1 power amplifier delivery efficiency test data
| Test condition | Power output | Input power | Efficient |
| Conventional linear power amplifies | 150W | 389W | 39％ |
| Adopt the power supply pressure build-up technique | 150W | 290W | 51.7％ |
This technology implementation method is used first in the underwater sound communication field, and effect is fine, and is significant.
In addition to the implementation, all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of requirement of the present invention.
Claims (3)
1. high efficiency linear power amplifiers that is used for underwater sound communication, it is characterized in that: comprise Signal Spacing and driver module (1), integrated power amplification module (2), power supply boost module (3) and output matching network (4), adopt linear transformer to isolate by Signal Spacing and driver module (1) to input signal, drive and adopt operation amplifier circuit; Signal Spacing is connected with the input of integrated power amplification module (2) with the output of driver module (1), integrated power amplification module (2) adopts the integrated power operational amplifier, and the output of integrated power amplification module (2) is connected with output matching network (4); The output of power supply boost module (3) is connected with the power input of integrated power amplification module (2).
2. the high efficiency linear power amplifiers that is used for underwater sound communication according to claim 1 is characterized in that: described power supply boost module (3) adopts the DC/DC power module.
3. the high efficiency linear power amplifiers that is used for underwater sound communication according to claim 1 is characterized in that: described output matching network (4) adopts the transformer impedance mapped structure, and output is parallel with tuning coil L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010581825 CN102055419A (en) | 2010-11-30 | 2010-11-30 | High-efficiency linear power amplifier for underwater acoustic communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010581825 CN102055419A (en) | 2010-11-30 | 2010-11-30 | High-efficiency linear power amplifier for underwater acoustic communication |
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| CN102055419A true CN102055419A (en) | 2011-05-11 |
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| CN 201010581825 Pending CN102055419A (en) | 2010-11-30 | 2010-11-30 | High-efficiency linear power amplifier for underwater acoustic communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017850A (en) * | 2016-01-28 | 2017-08-04 | 江苏省电力公司南京供电公司 | A kind of voltage power amplifying circuit |
| CN113595519A (en) * | 2021-09-30 | 2021-11-02 | 宁波博海深衡科技有限公司 | Underwater sound power amplifier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1324514A (en) * | 1998-10-22 | 2001-11-28 | 艾利森公司 | Dual-band, dual-mode powder amplifier with reduced power loss |
| CN1828469A (en) * | 2005-01-06 | 2006-09-06 | 恩益禧电子股份有限公司 | Voltage supply circuit, power supply circuit, microphone unit using the same, and microphone unit sensitivity adjustment method |
| CN200997564Y (en) * | 2006-12-31 | 2007-12-26 | 上海亨通光电科技有限公司 | DC-DC converting circuit with positive and negative polarized double-power supply booster |
| CN101388676A (en) * | 2008-10-30 | 2009-03-18 | 北京航空航天大学 | Optimized matching design for small antenna wideband matching network and small antenna wideband matching network thereof |
| CN101644767A (en) * | 2009-05-15 | 2010-02-10 | 中国科学院声学研究所 | Underwater sonar transmitter |
-
2010
- 2010-11-30 CN CN 201010581825 patent/CN102055419A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1324514A (en) * | 1998-10-22 | 2001-11-28 | 艾利森公司 | Dual-band, dual-mode powder amplifier with reduced power loss |
| CN1828469A (en) * | 2005-01-06 | 2006-09-06 | 恩益禧电子股份有限公司 | Voltage supply circuit, power supply circuit, microphone unit using the same, and microphone unit sensitivity adjustment method |
| CN200997564Y (en) * | 2006-12-31 | 2007-12-26 | 上海亨通光电科技有限公司 | DC-DC converting circuit with positive and negative polarized double-power supply booster |
| CN101388676A (en) * | 2008-10-30 | 2009-03-18 | 北京航空航天大学 | Optimized matching design for small antenna wideband matching network and small antenna wideband matching network thereof |
| CN101644767A (en) * | 2009-05-15 | 2010-02-10 | 中国科学院声学研究所 | Underwater sonar transmitter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017850A (en) * | 2016-01-28 | 2017-08-04 | 江苏省电力公司南京供电公司 | A kind of voltage power amplifying circuit |
| CN113595519A (en) * | 2021-09-30 | 2021-11-02 | 宁波博海深衡科技有限公司 | Underwater sound power amplifier |
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Application publication date: 20110511 |