CN102265682A - Power supply control method and device of minus gate voltage power valve, power amplification device and base station - Google Patents

Power supply control method and device of minus gate voltage power valve, power amplification device and base station Download PDF

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Publication number
CN102265682A
CN102265682A CN2011800009161A CN201180000916A CN102265682A CN 102265682 A CN102265682 A CN 102265682A CN 2011800009161 A CN2011800009161 A CN 2011800009161A CN 201180000916 A CN201180000916 A CN 201180000916A CN 102265682 A CN102265682 A CN 102265682A
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voltage
grid
supply access
grid voltage
power tube
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CN102265682B (en
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李松
吴乔
陈聂丰
夏维洪
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Power Conversion In General (AREA)

Abstract

The utility model relates to a power supply control method and a device of a minus gate voltage power valve, a power amplification device and a base station. A first power supply access and a second power supply access are arranged between a grid of the minus gate voltage power valve and a sequential control unit used for sequentially controlling of gate voltage drive voltage and leakage voltage. The method includes the steps of: if the first power supply access is working, supplying power to the minus gate voltage power valve through the first power supply access by the grid drive voltage output from the sequential control unit; if the first power supply access is not working and the second power supply access is working, supplying power to the minus gate voltage power valve through the second power supply access by the grid leakage voltage output from the sequential control unit. By using the method and device in the invention, the minus gate voltage power valve can be effectively avoided to be damaged, thereby improving the reliability of the minus gate voltage power valve.

Description

The method for controlling power supply of minus gate voltage power tube and device, power amplification device, base station
Technical field
The embodiment of the invention relates to the communication technology, relates in particular to a kind of method for controlling power supply of minus gate voltage power tube and device, power amplification device, base station.
Background technology
Development along with wireless communication system, the sharp increase of data business volume, and supplier constantly requires to reduce cost, efficiently, the broadband becomes the development trend of rf power amplifier circuit in the base station equipment, with gallium nitride (GaN), GaAs (GaAs) etc. is the minus gate voltage power tube of representative owing to have efficient height, advantage that bandwidth is big, particularly, obtain concern more and more widely along with the progress of manufacturing process in recent years.Because the minus gate voltage power tube has strict power supply timing, be that the grid negative pressure must be early than the drain electrode malleation on sequential, so prior art adopts timing control unit of increase on the power supply approach of bias voltage (being that grid voltage is pressed with leakage), and then come sequential (being electrifying timing sequence and following electric sequential) to control to grid voltage and leakage pressure.
Yet, under the situation of abnormal power-down, above-mentioned timing control unit can't operate as normal, make that the power supply timing of minus gate voltage power tube is uncontrollable, if and the velocity of discharge of grid voltage is faster than leaking the velocity of discharge of pressing, and then can occur leaking and press also existence, but grid voltage does not exist, may cause the minus gate voltage power tube to be burnt, thereby reduce the reliability of minus gate voltage power tube.
Summary of the invention
The embodiment of the invention provides a kind of method for controlling power supply of minus gate voltage power tube and device, power amplification device, base station, the problem of being burnt in order to the minus gate voltage power tube of avoiding causing owing to power supply timing is uncontrollable.
One aspect of the present invention provides a kind of method for controlling power supply of minus gate voltage power tube, the grid of described minus gate voltage power tube and be used for grid voltage driving voltage and leakage compressed between the timing control unit of capable sequencing control first supply access and second supply access are set, described method comprises:
If the described first supply access work is then powered by described first supply access described grid voltage driving voltage of described timing control unit output to the grid of described minus gate voltage power tube;
If described first supply access is not worked, and the described second supply access work, then the described leakage of described timing control unit output is pressed and power to the grid of described minus gate voltage power tube by described second supply access.
The present invention provides a kind of power supply control apparatus of minus gate voltage power tube on the other hand, the grid of described minus gate voltage power tube and be used for grid voltage driving voltage and leakage compressed between the timing control unit of capable sequencing control first supply access and second supply access are set, wherein
Described first supply access is used for the described grid voltage driving voltage of described timing control unit output is powered to the grid of described minus gate voltage power tube;
Described second supply access is used for the described leakage of described timing control unit output is pressed to the grid of described minus gate voltage power tube and powers;
Described device comprises:
Gate control circuit, be used to judge when described first supply access is worked, the described grid voltage driving voltage of described timing control unit output is powered to the grid of described minus gate voltage power tube by described first supply access, judge when described first supply access is not worked and described second supply access is worked, the described leakage of described timing control unit output is pressed power to the grid of described minus gate voltage power tube by described second supply access.
The present invention provides a kind of power amplification device on the other hand, comprises the power supply control apparatus of minus gate voltage power tube, timing control unit and above-mentioned minus gate voltage power tube.
The present invention provides a kind of base station on the other hand, comprises above-mentioned power amplification device.
As shown from the above technical solution, under the situation of abnormal power-down, if the velocity of discharge of grid voltage is faster than leaking the velocity of discharge of pressing, then can occur leaking pressing also and exist, but grid voltage does not exist, the embodiment of the invention can be pressed the leakage of timing control unit output and be powered to the grid of minus gate voltage power tube by second supply access, that is to say, exist as long as leak to press, grid voltage just exists always, can avoid the minus gate voltage power tube to be burnt effectively, thereby improve the reliability of minus gate voltage power tube.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of the method for controlling power supply of the minus gate voltage power tube that Fig. 1 provides for one embodiment of the invention;
The schematic flow sheet of the method for controlling power supply of the minus gate voltage power tube that Fig. 2 provides for another embodiment of the present invention;
The schematic flow sheet of the method for controlling power supply of the minus gate voltage power tube that Fig. 3 provides for another embodiment of the present invention;
The schematic flow sheet of the method for controlling power supply of the minus gate voltage power tube that Fig. 4 provides for another embodiment of the present invention;
Fig. 5 is that the circuit of the embodiment of Fig. 4 correspondence is realized schematic diagram;
The structural representation of the power supply control apparatus of the minus gate voltage power tube that Fig. 6 provides for another embodiment of the present invention;
The structural representation of the power supply control apparatus of the minus gate voltage power tube that Fig. 7 provides for another embodiment of the present invention;
The structural representation of the power supply control apparatus of the minus gate voltage power tube that Fig. 8 provides for another embodiment of the present invention;
The structural representation of the power supply control apparatus of the minus gate voltage power tube that Fig. 9 provides for another embodiment of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The schematic flow sheet of the method for controlling power supply of the minus gate voltage power tube that Fig. 1 provides for one embodiment of the invention, wherein, the grid of minus gate voltage power tube and be used for grid voltage driving voltage and leakage compressed between the timing control unit of capable sequencing control first supply access and second supply access are set.As shown in Figure 1, the method for controlling power supply of the minus gate voltage power tube of present embodiment can comprise:
101,, then the above-mentioned grid voltage driving voltage of above-mentioned timing control unit output is powered to the grid of above-mentioned minus gate voltage power tube by above-mentioned first supply access as if the above-mentioned first supply access work;
102, do not work as if above-mentioned first supply access, and the above-mentioned second supply access work, then the above-mentioned leakage of above-mentioned timing control unit output is pressed and power to the grid of above-mentioned minus gate voltage power tube by above-mentioned second supply access.
Wherein, the drain electrode that can also be used to offer above-mentioned minus gate voltage power tube is pressed in above-mentioned leakage; Above-mentioned grid voltage driving voltage and above-mentioned leakage pressure are exported for timing control unit.
In the present embodiment, under the situation of abnormal power-down, if the velocity of discharge of grid voltage is faster than leaking the velocity of discharge of pressing, then can occur leaking and press also existence, but grid voltage does not exist, the embodiment of the invention can be pressed the leakage of timing control unit output and be powered to the grid of minus gate voltage power tube by second supply access, that is to say that exist as long as leak to press, grid voltage just exists always, can avoid the minus gate voltage power tube to be burnt effectively, thereby improve the reliability of minus gate voltage power tube.
Wherein, the situation of the first supply access work and the second supply access work can have multiple situation, will with three kinds of situations as an example technical scheme of the present invention be elaborated below.
The schematic flow sheet of the method for controlling power supply of the minus gate voltage power tube that Fig. 2 provides for another embodiment of the present invention, in the present embodiment, the first supply access work has been imported the grid voltage driving voltage for this first supply access, and the second supply access work has been imported to leak for this second supply access and pressed.As shown in Figure 2, the method for controlling power supply of the minus gate voltage power tube of present embodiment can specifically comprise:
201, if input grid voltage driving voltage then is converted to first grid voltage with above-mentioned grid voltage driving voltage, export the grid that the above-mentioned first grid is pressed onto above-mentioned minus gate voltage power tube;
202, if do not import above-mentioned grid voltage driving voltage, and input leakage pressure, then above-mentioned leakage is pressed and be converted to second grid voltage, export the grid of above-mentioned second grid voltage to above-mentioned minus gate voltage power tube.
In above-mentioned 201, if input grid voltage driving voltage illustrates for normal situation, then above-mentioned grid voltage driving voltage to be converted to first grid voltage, and to export above-mentioned first grid voltage, to offer the grid of above-mentioned minus gate voltage power tube this moment.
In above-mentioned 202, if do not import the grid voltage driving voltage, and pressure is leaked in input, illustrate to be unusual situation this moment, for example: abnormal power-down, then above-mentioned leakage is pressed and be converted to second grid voltage, and export above-mentioned second grid voltage, to offer the grid of above-mentioned minus gate voltage power tube.
Need to prove: the conversion in the present embodiment is not limited to carry out the true conversion on the numerical value, can also carry out the virtual conversion on the function.If the numerical value of gate drive voltage is not equal to the numerical value of first grid voltage, then gate drive voltage is carried out true conversion on the numerical value, to be converted to first grid voltage, for example: the gate drive voltage of general+5V is converted to-grid voltage of 5V; If the numerical value of gate drive voltage equals the numerical value of first grid voltage, then gate drive voltage is carried out virtual conversion on the function, to be converted to first grid voltage, for example: the gate drive voltage of general-5V is converted to-grid voltage of 5V.In general, compressing into capable to leakage all is true conversion on the numerical value, for example: the leakage of general+50V presses and is converted to-grid voltage of 5V.
In the present embodiment, under the situation of abnormal power-down,, pressure then can occur leaking and also exist if the velocity of discharge of grid voltage is faster than leaking the velocity of discharge of pressing, but grid voltage does not exist, the embodiment of the invention can be pressed above-mentioned leakage and is converted to second grid voltage, exports the grid of above-mentioned second grid voltage to above-mentioned minus gate voltage power tube, that is to say, exist as long as leak to press, grid voltage just exists always, can avoid the minus gate voltage power tube to be burnt effectively, thereby improve the reliability of minus gate voltage power tube.
The schematic flow sheet of the method for controlling power supply of the minus gate voltage power tube that Fig. 3 provides for another embodiment of the present invention in the present embodiment, can further include: the grid voltage driving voltage is converted to first grid voltage, and/or will leaks to press and be converted to second grid voltage; There is above-mentioned first grid voltage in the first supply access work in this first supply access, and the second supply access work is for existing above-mentioned second grid voltage in this second supply access.As shown in Figure 3, the method for controlling power supply of the minus gate voltage power tube of present embodiment can specifically comprise:
301, if there is above-mentioned first grid voltage, then export the grid that the above-mentioned first grid is pressed onto above-mentioned minus gate voltage power tube;
302, if there is not above-mentioned first grid voltage, and there is above-mentioned second grid voltage, then exports the grid of above-mentioned second grid voltage to above-mentioned minus gate voltage power tube.
In above-mentioned 301,, illustrate and for normal situation, then export above-mentioned first grid voltage, this moment to offer the grid of above-mentioned minus gate voltage power tube if there is first grid voltage.
In above-mentioned 302, if there is no first grid voltage, and have second grid voltage, illustrate to be unusual situation this moment, for example: abnormal power-down, then export above-mentioned second grid voltage, to offer the grid of above-mentioned minus gate voltage power tube.
Need to prove: the conversion in the present embodiment is not limited to carry out the true conversion on the numerical value, can also carry out the virtual conversion on the function.If the numerical value of gate drive voltage is not equal to the numerical value of first grid voltage, then gate drive voltage is carried out true conversion on the numerical value, to be converted to first grid voltage, for example: the gate drive voltage of general+5V is converted to-grid voltage of 5V; If the numerical value of gate drive voltage equals the numerical value of first grid voltage, then gate drive voltage is carried out virtual conversion on the function, to be converted to first grid voltage, for example: the gate drive voltage of general-5V is converted to-grid voltage of 5V.In general, compressing into capable to leakage all is true conversion on the numerical value, for example: the leakage of general+50V presses and is converted to-grid voltage of 5V.
In the present embodiment, under the situation of abnormal power-down, if the velocity of discharge of grid voltage is faster than leaking the velocity of discharge of pressing, then can occur leaking and press also existence, but grid voltage does not exist, the embodiment of the invention can be exported by the grid of second grid voltage of leaking the pressure conversion to above-mentioned minus gate voltage power tube, that is to say that exist as long as leak to press, grid voltage just exists always, can avoid the minus gate voltage power tube to be burnt effectively, thereby improve the reliability of minus gate voltage power tube.
The schematic flow sheet of the method for controlling power supply of the minus gate voltage power tube that Fig. 4 provides for another embodiment of the present invention in the present embodiment, can further include: will leak to press and be converted to the grid voltage changing voltage that equates with the numerical value of above-mentioned grid voltage driving voltage; The first supply access work has been imported the grid voltage driving voltage for this first supply access, and there is above-mentioned grid voltage changing voltage in the second supply access work in this second supply access.As shown in Figure 4, the method for controlling power supply of the minus gate voltage power tube of present embodiment can specifically comprise:
401, if input grid voltage driving voltage is then exported above-mentioned grid voltage driving voltage;
402, if do not import above-mentioned grid voltage driving voltage, and there is the grid voltage changing voltage, then exports above-mentioned grid voltage changing voltage;
403, above-mentioned grid voltage driving voltage or the above-mentioned grid voltage changing voltage that will export are converted to grid voltage, and output to the grid of above-mentioned minus gate voltage power tube.
In above-mentioned 401, if input grid voltage driving voltage illustrates that be normal situation this moment, then export above-mentioned grid voltage driving voltage, the above-mentioned grid voltage driving voltage of exporting is converted to grid voltage, and output, to offer the grid of above-mentioned minus gate voltage power tube.
In above-mentioned 402, if do not import the grid voltage driving voltage, and there is the grid voltage changing voltage, illustrate and be unusual situation this moment, for example: abnormal power-down, then export above-mentioned grid voltage changing voltage, the above-mentioned grid voltage changing voltage of exporting is converted to grid voltage, and output, to offer the grid of above-mentioned minus gate voltage power tube.
Need to prove: the conversion in the present embodiment is not limited to carry out the true conversion on the numerical value, can also carry out the virtual conversion on the function.If the numerical value of gate drive voltage is not equal to the numerical value of first grid voltage, then gate drive voltage is carried out true conversion on the numerical value, to be converted to first grid voltage, for example: the gate drive voltage of general+5V is converted to-grid voltage of 5V; If the numerical value of gate drive voltage equals the numerical value of first grid voltage, then gate drive voltage is carried out virtual conversion on the function, to be converted to first grid voltage, for example: the gate drive voltage of general-5V is converted to-grid voltage of 5V.In general, compressing into capable to leakage all is true conversion on the numerical value, and for example: the grid changing voltage of conversion+5V is pressed in the leakage of general+50V, and the grid changing voltage of general+5V is converted to-grid voltage of 5V.
For the method that makes this embodiment provide is clearer, will be example with a concrete circuit structure below, as shown in Figure 5.
If switching circuit (numerical value of the conducting voltage of switching circuit is the numerical value of grid voltage driving voltage Vg0) input grid voltage driving voltage Vg0 illustrates to be normal situation this moment that switching circuit is then exported this grid voltage driving voltage Vg0.If (for example :+the numerical value that 5V) is not equal to grid voltage Vg (5V) for the numerical value of gate drive voltage Vg0, can also further connect a dc voltage changer after the switching circuit in the present embodiment, the grid voltage driving voltage Vg0 of switching circuit output is converted to grid voltage Vg, and exports the grid that this grid voltage Vg offers above-mentioned minus gate voltage power tube.
If switching circuit is not imported grid voltage driving voltage Vg0, and the leakage that will import of input dc power pressure converter presses Vd to be converted to the grid voltage changing voltage Vg1 that equates with the numerical value of grid voltage driving voltage Vg0, illustrate to be unusual situation at this moment.Switching circuit is then exported above-mentioned grid voltage changing voltage Vg1 owing to there is not grid voltage driving voltage Vg0 input.If (for example :+the numerical value that 5V) is not equal to grid voltage Vg (5V) for the numerical value of grid voltage changing voltage Vg1, can also further connect a dc voltage changer after the switching circuit in the present embodiment, the grid voltage changing voltage Vg1 of switching circuit output is converted to grid voltage Vg, and exports the grid that this grid voltage Vg offers above-mentioned minus gate voltage power tube.
In the present embodiment, under the situation of abnormal power-down, if the velocity of discharge of grid voltage is faster than leaking the velocity of discharge of pressing, then can occur leaking pressing also and exist, but grid voltage does not exist, the embodiment of the invention can be exported the grid voltage changing voltage of pressing conversion by leaking, and the above-mentioned grid voltage driving voltage that will export or above-mentioned grid voltage changing voltage are converted to grid voltage, and output to the grid of above-mentioned minus gate voltage power tube, that is to say that exist as long as leak to press, grid voltage just exists always, can avoid the minus gate voltage power tube to be burnt effectively, thereby improve the reliability of minus gate voltage power tube.
Need to prove: for aforesaid each method embodiment, for simple description, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that describes in detail among certain embodiment, can be referring to the associated description of other embodiment.
The structural representation of the power supply control apparatus of the minus gate voltage power tube that Fig. 6 provides for another embodiment of the present invention, wherein, the grid of minus gate voltage power tube and be used for grid voltage driving voltage and leakage compressed between the timing control unit of capable sequencing control first supply access and second supply access are set.Wherein, first supply access can be used for the above-mentioned grid voltage driving voltage of above-mentioned timing control unit output is powered to the grid of above-mentioned minus gate voltage power tube; Second supply access can be used for the above-mentioned leakage of above-mentioned timing control unit output is pressed to the grid of above-mentioned minus gate voltage power tube and power.As shown in Figure 6, the power supply control apparatus of the minus gate voltage power tube of present embodiment can comprise gate control circuit 61, be used to judge when above-mentioned first supply access is worked, the above-mentioned grid voltage driving voltage of above-mentioned timing control unit output is powered to the grid of above-mentioned minus gate voltage power tube by above-mentioned first supply access, judge when above-mentioned first supply access is not worked and above-mentioned second supply access is worked, the above-mentioned leakage of above-mentioned timing control unit output is pressed power to the grid of above-mentioned minus gate voltage power tube by above-mentioned second supply access.
Wherein, the drain electrode that can also be used to offer above-mentioned minus gate voltage power tube is pressed in above-mentioned leakage; Above-mentioned grid voltage driving voltage and above-mentioned leakage pressure are exported for timing control unit.
Power supply control apparatus in the present embodiment can also comprise input unit and output unit.Wherein, input unit links to each other with above-mentioned timing control unit, and is shared for above-mentioned first supply access and above-mentioned second supply access, is used to import above-mentioned grid voltage driving voltage and/or above-mentioned leakage and presses; Output unit is that above-mentioned first supply access and above-mentioned second supply access are shared, is used for the grid output voltage to above-mentioned minus gate voltage power tube.Input unit and output unit mentioned among all embodiment of the present invention can comprise input interface and output interface.
In the present embodiment, under the situation of abnormal power-down, if the velocity of discharge of grid voltage is faster than leaking the velocity of discharge of pressing, then can occur leaking and press also existence, but grid voltage does not exist, gate control circuit can be pressed the leakage of timing control unit output and be powered to the grid of minus gate voltage power tube by second supply access, that is to say that exist as long as leak to press, grid voltage just exists always, can avoid the minus gate voltage power tube to be burnt effectively, thereby improve the reliability of minus gate voltage power tube.
Wherein, the situation of the first supply access work and the second supply access work can have multiple situation, will with three kinds of situations as an example gate control circuit 61 of the present invention be elaborated below.
The structural representation of the power supply control apparatus of the minus gate voltage power tube that Fig. 7 provides for another embodiment of the present invention, in the present embodiment, the first supply access work has been imported the grid voltage driving voltage for this first supply access, and the second supply access work has been imported to leak for this second supply access and pressed.As shown in Figure 7, the power supply control apparatus of the minus gate voltage power tube of present embodiment can further include input unit 71 and output unit 72.Wherein, input unit 71 links to each other with above-mentioned timing control unit, and is shared for above-mentioned first supply access and above-mentioned second supply access, is used to import above-mentioned grid voltage driving voltage and/or above-mentioned leakage and presses; Output unit 72 is that above-mentioned first supply access and above-mentioned second supply access are shared, is used for the grid output voltage to above-mentioned minus gate voltage power tube.
Particularly, gate control circuit 61 in the present embodiment specifically can comprise grid voltage converting unit 73, be used for above-mentioned grid voltage driving voltage being converted to first grid voltage when determining that input unit 71 input grid voltage driving voltages are judged above-mentioned first supply access work, output to output unit 72; Do not import the grid voltage driving voltage and judge that above-mentioned first supply access do not work by determining input unit 71, and when judging that by definite input unit 71 input leakage pressures above-mentioned second supply access is worked, above-mentioned leakage pressure is converted to second grid voltage, outputs to output unit 72.Correspondingly, output unit 72 specifically can be exported above-mentioned first grid voltage of grid voltage converting unit 73 conversion acquisitions or the grid that above-mentioned second grid voltage arrives above-mentioned minus gate voltage power tube.
In the present embodiment, under the situation of abnormal power-down,, pressure then can occur leaking and also exist if the velocity of discharge of grid voltage is faster than leaking the velocity of discharge of pressing, but grid voltage does not exist, the grid voltage converting unit can be pressed above-mentioned leakage and is converted to second grid voltage, exports the grid of above-mentioned second grid voltage to above-mentioned minus gate voltage power tube, that is to say, exist as long as leak to press, grid voltage just exists always, can avoid the minus gate voltage power tube to be burnt effectively, thereby improve the reliability of minus gate voltage power tube.
The structural representation of the power supply control apparatus of the minus gate voltage power tube that Fig. 8 provides for another embodiment of the present invention, in the present embodiment, there is above-mentioned first grid voltage in the first supply access work in this first supply access, and the second supply access work is for existing above-mentioned second grid voltage in this second supply access.As shown in Figure 8, the power supply control apparatus of the minus gate voltage power tube of present embodiment can further include input unit 81 and output unit 82.Wherein, input unit 81 links to each other with above-mentioned timing control unit, and is shared for above-mentioned first supply access and above-mentioned second supply access, is used to import above-mentioned grid voltage driving voltage and/or above-mentioned leakage and presses; Output unit 82 is that above-mentioned first supply access and above-mentioned second supply access are shared, is used for the grid output voltage to above-mentioned minus gate voltage power tube.
Particularly, the gate control circuit in the present embodiment 61 specifically can comprise grid voltage converting unit 83 and gating unit 84.Wherein, grid voltage converting unit 83 is used for above-mentioned grid voltage driving voltage is converted to first grid voltage, and/or above-mentioned leakage pressure is converted to second grid voltage; Gating unit 84 is used for exporting the above-mentioned first grid and being pressed onto output unit 82 when determining to exist above-mentioned first grid voltage to judge above-mentioned first supply access work; By determining not exist above-mentioned first grid voltage to judge that above-mentioned first supply access do not work, and when determining to exist above-mentioned second grid voltage to judge above-mentioned second supply access work, export above-mentioned second grid voltage to output unit 82.Correspondingly, output unit 82 specifically can be exported above-mentioned first grid voltage or above-mentioned second grid voltage grid to above-mentioned minus gate voltage power tube.
In the present embodiment, under the situation of abnormal power-down, if the velocity of discharge of grid voltage is faster than leaking the velocity of discharge of pressing, then can occur leaking pressing also and exist, but grid voltage does not exist, the grid voltage converting unit can be pressed above-mentioned leakage and is converted to second grid voltage, and export the grid of above-mentioned second grid voltage to above-mentioned minus gate voltage power tube by gating unit, that is to say, exist as long as leak to press, grid voltage just exists always, can avoid the minus gate voltage power tube to be burnt effectively, thereby improve the reliability of minus gate voltage power tube.
The structural representation of the power supply control apparatus of the minus gate voltage power tube that Fig. 9 provides for another embodiment of the present invention, in the present embodiment, there is above-mentioned first grid voltage in the first supply access work in this first supply access, and the second supply access work is for existing above-mentioned second grid voltage in this second supply access.As shown in Figure 9, the power supply control apparatus of the minus gate voltage power tube of present embodiment can further include input unit 91 and output unit 92.Wherein, input unit 91 links to each other with above-mentioned timing control unit, and is shared for above-mentioned first supply access and above-mentioned second supply access, is used to import above-mentioned grid voltage driving voltage and/or above-mentioned leakage and presses; Output unit 92 is that above-mentioned first supply access and above-mentioned second supply access are shared, is used for the grid output voltage to above-mentioned minus gate voltage power tube.
Particularly, the gate control circuit in the present embodiment 61 can comprise that specifically converting unit 93, control unit 94 and grid voltage provide unit 95.Wherein, converting unit 93 is used for above-mentioned leakage pressure is converted to the grid voltage changing voltage that equates with the numerical value of above-mentioned grid voltage driving voltage; Control unit 94 is used for exporting above-mentioned grid voltage driving voltage and providing unit 95 to grid voltage when determining that input unit 91 input grid voltage driving voltages are judged above-mentioned first supply access work; By determining that input unit 91 do not import the grid voltage driving voltage and judge that above-mentioned first supply access do not work, and when determining to exist above-mentioned grid voltage changing voltage to judge above-mentioned second supply access work, export above-mentioned grid voltage changing voltage and provide unit 95 to grid voltage; Grid voltage provides unit 95 to be used for above-mentioned grid voltage driving voltage or above-mentioned grid voltage changing voltage are converted to grid voltage, and outputs to output unit 92.Correspondingly, output unit 92 specifically can be exported the grid of above-mentioned grid voltage to above-mentioned minus gate voltage power tube.
Particularly, control unit in the present embodiment 94 and grid voltage provide unit 95 specifically can be realized by switching circuit.
In the present embodiment, under the situation of abnormal power-down, if the velocity of discharge of grid voltage is faster than leaking the velocity of discharge of pressing, then can occur leaking pressing also and exist, but grid voltage does not exist, control unit can be exported the grid voltage changing voltage by the converting unit conversion, and the above-mentioned grid voltage driving voltage or the above-mentioned grid voltage changing voltage that provide the unit that control unit is exported by grid voltage are converted to grid voltage, and output to the grid of above-mentioned minus gate voltage power tube, that is to say that exist as long as leak to press, grid voltage just exists always, can avoid the minus gate voltage power tube to be burnt effectively, thereby improve the reliability of minus gate voltage power tube.
The power amplification device that another embodiment of the present invention provides can comprise the power supply control apparatus of the minus gate voltage power tube that the embodiment of minus gate voltage power tube, timing control unit and the arbitrary accompanying drawing correspondence of above-mentioned Fig. 6 to Fig. 9 provides.
The base station that another embodiment of the present invention provides can comprise above-mentioned power amplification device.
Method that provides in the embodiment of the invention or device can also be applied to other communications fields, such as radar or satellite communication, can limit at this.
The those skilled in the art can be well understood to, and is the convenience described and succinct, the system of foregoing description, and the concrete course of work of device and unit can not repeat them here with reference to the corresponding process among the preceding method embodiment.
In several embodiment that the application provided, should be understood that, disclosed system, apparatus and method can realize by other mode.For example, device embodiment described above only is schematic, for example, the division of described unit, only be that a kind of logic function is divided, during actual the realization other dividing mode can be arranged, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, the shown or coupling each other discussed or directly to be coupled or to communicate to connect can be by some interfaces, the indirect coupling of device or unit or communicate to connect can be electrically, machinery or other form.
Described unit as separating component explanation can or can not be physically to separate also, and the parts that show as the unit can be or can not be physical locations also, promptly can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select wherein some or all of unit to realize the purpose of present embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing unit, also can be that the independent physics in each unit exists, and also can be integrated in the unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, also can adopt the form of SFU software functional unit to realize.
If described integrated unit is realized with the form of SFU software functional unit and during as independently production marketing or use, can be stored in the computer read/write memory medium.Based on such understanding, part or all or part of of this technical scheme that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out all or part of step of the described method of each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (11)

1. the method for controlling power supply of a minus gate voltage power tube, it is characterized in that, the grid of described minus gate voltage power tube and be used for grid voltage driving voltage and leakage compressed between the timing control unit of capable sequencing control first supply access and second supply access are set, described method comprises:
If the described first supply access work is then powered by described first supply access described grid voltage driving voltage of described timing control unit output to the grid of described minus gate voltage power tube;
If described first supply access is not worked, and the described second supply access work, then the described leakage of described timing control unit output is pressed and power to the grid of described minus gate voltage power tube by described second supply access.
2. method according to claim 1, it is characterized in that, the described first supply access work is that described first supply access has been imported the grid voltage driving voltage, and the described second supply access work is that described second supply access has been imported the leakage pressure, and described method specifically comprises:
If input grid voltage driving voltage then is converted to first grid voltage with described grid voltage driving voltage, export the grid that the described first grid is pressed onto described minus gate voltage power tube;
If do not import described grid voltage driving voltage, and input leakage pressure, then described leakage is pressed and be converted to second grid voltage, export the grid of described second grid voltage to described minus gate voltage power tube.
3. method according to claim 1 is characterized in that, described method also comprises: the grid voltage driving voltage is converted to first grid voltage, and/or will leaks to press and be converted to second grid voltage; The described first supply access work is to have described first grid voltage in described first supply access, and the described second supply access work is to have described second grid voltage in described second supply access, and described method specifically comprises:
If there is described first grid voltage, then export the grid that the described first grid is pressed onto described minus gate voltage power tube;
If there is not described first grid voltage, and there is described second grid voltage, then exports the grid of described second grid voltage to described minus gate voltage power tube.
4. method according to claim 1 is characterized in that, described method also comprises: will leak pressure and be converted to the grid voltage changing voltage that equates with the numerical value of described grid voltage driving voltage; The described first supply access work is that described first supply access has been imported the grid voltage driving voltage, and the described second supply access work is to have described grid voltage changing voltage in described second supply access, and described method specifically comprises:
If input grid voltage driving voltage is then exported described grid voltage driving voltage;
If do not import described grid voltage driving voltage, and there is the grid voltage changing voltage, then exports described grid voltage changing voltage;
The described grid voltage driving voltage or the described grid voltage changing voltage of output are converted to grid voltage, and output to the grid of described minus gate voltage power tube.
5. the power supply control apparatus of a minus gate voltage power tube is characterized in that, the grid of described minus gate voltage power tube and be used for grid voltage driving voltage and leakage compressed between the timing control unit of capable sequencing control first supply access and second supply access are set, wherein,
Described first supply access is used for the described grid voltage driving voltage of described timing control unit output is powered to the grid of described minus gate voltage power tube;
Described second supply access is used for the described leakage of described timing control unit output is pressed to the grid of described minus gate voltage power tube and powers;
Described device comprises:
Gate control circuit, be used to judge when described first supply access is worked, the described grid voltage driving voltage of described timing control unit output is powered to the grid of described minus gate voltage power tube by described first supply access, judge when described first supply access is not worked and described second supply access is worked, the described leakage of described timing control unit output is pressed power to the grid of described minus gate voltage power tube by described second supply access.
6. device according to claim 5 is characterized in that, described device also comprises:
Input unit links to each other with described timing control unit, and is shared for described first supply access and described second supply access, is used to import described grid voltage driving voltage and/or described leakage and presses;
Output unit, shared for described first supply access and described second supply access, be used for grid output voltage to described minus gate voltage power tube;
Described gate control circuit comprises:
The grid voltage converting unit is used for described grid voltage driving voltage being converted to first grid voltage when determining that described input unit input grid voltage driving voltage is judged described first supply access work, outputs to described output unit; Do not import the grid voltage driving voltage and judge that described first supply access do not work by determining described input unit, and when judging that by definite described input unit input leakage pressure described second supply access is worked, described leakage pressure is converted to second grid voltage, outputs to described output unit;
Described output unit specifically is used to export described first grid voltage of described grid voltage converting unit conversion acquisition or the grid that described second grid voltage arrives described minus gate voltage power tube.
7. device according to claim 5 is characterized in that, described device also comprises:
Input unit links to each other with described timing control unit, and is shared for described first supply access and described second supply access, is used to import described grid voltage driving voltage and/or described leakage and presses;
Output unit, shared for described first supply access and described second supply access, be used for grid output voltage to described minus gate voltage power tube;
Described gate control circuit comprises:
The grid voltage converting unit is used for described grid voltage driving voltage is converted to first grid voltage, and/or described leakage pressure is converted to second grid voltage;
Gating unit is used for exporting the described first grid and being pressed onto output unit when determining to exist described first grid voltage to judge described first supply access work; By determining not exist described first grid voltage to judge that described first supply access do not work, and when determining to exist described second grid voltage to judge described second supply access work, export described second grid voltage to described output unit;
Described output unit specifically is used to export described first grid voltage or described second grid voltage grid to described minus gate voltage power tube.
8. device according to claim 5 is characterized in that, described device also comprises:
Input unit links to each other with described timing control unit, and is shared for described first supply access and described second supply access, is used to import described grid voltage driving voltage and/or described leakage and presses;
Output unit, shared for described first supply access and described second supply access, be used for grid output voltage to described minus gate voltage power tube;
Described gate control circuit comprises that converting unit, control unit and grid voltage provide the unit,
Described converting unit is used for described leakage pressure is converted to the grid voltage changing voltage that equates with the numerical value of described grid voltage driving voltage;
Described control unit is used for exporting described grid voltage driving voltage and providing the unit to described grid voltage when determining that described input unit input grid voltage driving voltage is judged described first supply access work; Do not import the grid voltage driving voltage and judge that described first supply access do not work by determining described input unit, and when determining to exist described grid voltage changing voltage to judge described second supply access work, export described grid voltage changing voltage and provide the unit to described grid voltage;
Described grid voltage provides the unit, is used for described grid voltage driving voltage or described grid voltage changing voltage are converted to grid voltage, and outputs to described output unit;
Described output unit specifically is used to export the grid of described grid voltage to described minus gate voltage power tube.
9. device according to claim 8 is characterized in that, described control unit and described grid voltage provide the unit to be realized by switching circuit.
10. a power amplification device is characterized in that, comprises the power supply control apparatus of the described minus gate voltage power tube of the arbitrary claim of minus gate voltage power tube, timing control unit and claim 5 to 9.
11. a base station is characterized in that, comprises the described power amplification device of claim 10.
CN201180000916.1A 2011-06-13 2011-06-13 Power supply control method and device of minus gate voltage power valve, power amplification device and base station Active CN102265682B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103296981A (en) * 2013-05-28 2013-09-11 华为技术有限公司 Bias circuit of power tube, power amplifier and wireless communication device
CN111123752A (en) * 2018-10-30 2020-05-08 上海诺基亚贝尔股份有限公司 Power supply sequential circuit and power supply method
CN111708303A (en) * 2020-06-24 2020-09-25 电子科技大学 Time sequence power supply device for providing multi-path variable voltage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2657290Y (en) * 2003-08-19 2004-11-17 华为技术有限公司 Power supply sequential control circuit
CN101009486A (en) * 2006-01-23 2007-08-01 满会生 Narrow pulse driver of insulation bar power tube
US20100134451A1 (en) * 2008-12-03 2010-06-03 Soondong Cho Liquid crystal display device and driving method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2657290Y (en) * 2003-08-19 2004-11-17 华为技术有限公司 Power supply sequential control circuit
CN101009486A (en) * 2006-01-23 2007-08-01 满会生 Narrow pulse driver of insulation bar power tube
US20100134451A1 (en) * 2008-12-03 2010-06-03 Soondong Cho Liquid crystal display device and driving method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103296981A (en) * 2013-05-28 2013-09-11 华为技术有限公司 Bias circuit of power tube, power amplifier and wireless communication device
CN103296981B (en) * 2013-05-28 2017-02-01 华为技术有限公司 Bias circuit of power tube, power amplifier and wireless communication device
CN111123752A (en) * 2018-10-30 2020-05-08 上海诺基亚贝尔股份有限公司 Power supply sequential circuit and power supply method
CN111708303A (en) * 2020-06-24 2020-09-25 电子科技大学 Time sequence power supply device for providing multi-path variable voltage
CN111708303B (en) * 2020-06-24 2021-08-10 电子科技大学 Time sequence power supply device for providing multi-path variable voltage

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