CN207968431U - A kind of power module carrying out positive/negative-pressure timing control - Google Patents
A kind of power module carrying out positive/negative-pressure timing control Download PDFInfo
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- CN207968431U CN207968431U CN201820473882.7U CN201820473882U CN207968431U CN 207968431 U CN207968431 U CN 207968431U CN 201820473882 U CN201820473882 U CN 201820473882U CN 207968431 U CN207968431 U CN 207968431U
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Abstract
The utility model belongs to radio-frequency power amplifier protection field of circuit technology, discloses a kind of power module carrying out positive/negative-pressure timing control, including：Negative pressure module, is equipped with input terminal and at least two output ends, input terminal are electrically connected with input power；Field-effect tube, source S are connect with input power；Tfi module, input terminal are connect with one of negative pressure module output end, and output end is connect with the grid G of the field-effect tube；The drain D of positive die block, input terminal and field-effect tube connects.The utility model makes negative pressure enter after tube core, positive pressure just enters tube core by the way that sequence circuit and field-effect tube is arranged；Realize the effect of protection tube core.
Description
Technical field
The utility model belongs to radio-frequency power amplifier protection field of circuit technology, and in particular to one kind can carry out positive/negative-pressure
The power module of timing control.
Background technology
World's every country all greatly develops military strength, the wherein thunder of ground command center and base station in stealthy at present
(include wave band such as 1~2GHz of L-band up to transmitting and reception and various carrier-borne communications and airborne communication etc.；2~4GHz of S-band；
4~8GHz of C-band；8~12GHz of X-band；12~18GHz of Ku wave bands；18~27GHz of K-band；27~40GHz of Ka wave bands is even
Higher) it can all use the transmission that radio-frequency power amplifier carries out high-frequency signal.
Most of tube cores of existing radio-frequency power amplifier are all that positive and negative pressure power supply needs when tube core works on first
The negative pressure of grid, the positive pressure to drain in ability, if positive and negative pressure is sequentially wrong, the internal structure of tube core can be burned, cause
Entire power amplifier product cisco unity malfunction, and the value of tube core accounting in power amplifier product is very high, the 15W pipes of such as one 2-6GHz
Core value reaches 5300 yuan/, how to solve the problems, such as tube core the burning out during debugging and use of radio-frequency power amplifier,
It is a big project of current radio-frequency power amplifier research.
Utility model content
In order to solve the above problem of the existing technology, the utility model aim is that positive/negative-pressure can be carried out by providing one kind
The power module of timing control.The utility model makes negative pressure enter after tube core, just by the way that sequence circuit and field-effect tube is arranged
Pressure just enters tube core；Realize the effect of protection tube core.
Technical solution used by the utility model is：
A kind of power module carrying out positive/negative-pressure timing control, including：
Negative pressure module, is equipped with input terminal and at least two output ends, input terminal are electrically connected with input power；
Field-effect tube, source S are connect with input power；
Tfi module, input terminal are connect with one of negative pressure module output end, output end and the field-effect tube
Grid G connects；
The drain D of positive die block, input terminal and field-effect tube connects.
Further, the negative pressure module includes the first filter circuit and the first buck regulator being sequentially connected electrically；
The input terminal of first filter circuit is electrically connected with input power, the output end of the first filter circuit and the first buck regulator
Input terminal is electrically connected；The output end of first buck regulator is electrically connected with the output end of negative pressure module.
Further, the tfi module include two input just with door and triode；The inputs of the base stage B of triode and two are just
It is connect with the output end of door, the emitter E ground connection of triode, the collector C of triode connects with the grid G of the field-effect tube
It connects；Two inputs are just connect with an input terminal of door with one of negative pressure module output end, and two inputs are just another with door
A input terminal is equipped with first resistor, second resistance, capacitance and TTL input interfaces；The both ends of first resistor input just with two respectively
With the input terminal of door and connect；The both ends of second resistance are just connecting with the input terminal of door with TTL input interfaces and two inputs respectively
It connects；The both ends of capacitance respectively with TTL input interfaces and connect.
Further, the tfi module further includes the power supply module just powered with door for two input；The power supply
Module includes the third buck regulator being sequentially electrically connected, third filter circuit, the 4th buck regulator and the 4th filtering
Circuit；The input terminal of third buck regulator is connect with input power；The output end of 4th filter circuit is inputted with described two
Just it is connect with the power input of door.
Further, the positive die block is provided with multiple output ends.
Further, the positive die block includes the second filter circuit being connect with the drain D of the field-effect tube and simultaneously
Connection is connected to multiple second buck regulators of the second filter circuit output end.
Further, it is in series with fuse between the input terminal and input power of the negative pressure module.
The beneficial effects of the utility model are：
The utility model makes negative pressure enter after tube core, positive pressure just enters pipe by the way that sequence circuit and field-effect tube is arranged
Core；Realize the effect of protection tube core；Secondly, make this power module can be with just with door and TTL input interfaces by two input of setting
Receive external signal control switch.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of power module carrying out positive/negative-pressure timing control of the utility model；
Fig. 2 is the circuit diagram of the negative pressure module in a kind of power module carrying out positive/negative-pressure timing control shown in FIG. 1；
Fig. 3 is the circuit diagram of the tfi module in a kind of power module carrying out positive/negative-pressure timing control shown in FIG. 1；
Fig. 4 is the circuit diagram of the power supply module in a kind of power module carrying out positive/negative-pressure timing control shown in FIG. 1；
Fig. 5 is that the structure of the positive die block in a kind of power module carrying out positive/negative-pressure timing control shown in FIG. 1 is shown
It is intended to；
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is further elaborated the utility model.
As shown in Figs. 1-5, a kind of power module carrying out positive/negative-pressure timing control of the present embodiment, including：
Negative pressure module, is equipped with input terminal and at least two output ends, input terminal are electrically connected with input power；
Field-effect tube, source S are connect with input power；
Tfi module, input terminal are connect with one of negative pressure module output end, output end and the field-effect tube
Grid G connects；
The drain D of positive die block, input terminal and field-effect tube connects.
In the present embodiment, as shown in Fig. 2, the negative pressure module includes the first filter circuit being sequentially connected electrically and the first drop
Die mould voltage-stablizer；The input terminal of first filter circuit is electrically connected with input power, the output end of the first filter circuit and the first drop
The input terminal of die mould voltage-stablizer is electrically connected；The output end of first buck regulator is electrically connected with the output end of negative pressure module.It is excellent
Selection of land is in series with fuse between the input terminal and input power of the negative pressure module.As shown in Fig. 2, in the present embodiment, first
Filter circuit realizes that first buck regulator is realized using LTM8022 chips using multiple capacitances being connected in parallel.This
In embodiment, there are three output ends, respectively -5V output ends, -0.6V output ends and -1.8V output ends for the setting of negative pressure module.This
In embodiment, the voltage range of input power is DC18V~32V.
In the present embodiment, as shown in figure 3, the tfi module include two input just with door and triode；The base of triode
Pole B is just being connect with the output end of door with two inputs, the emitter E ground connection of triode, collector C and the field-effect of triode
The grid G of pipe connects；Two inputs are just connect with an input terminal of door with one of negative pressure module output end, and two inputs are just
It is equipped with first resistor, second resistance, capacitance and TTL input interfaces with another input terminal of door；Distinguish at the both ends of first resistor
With two input just with the input terminal of door and connect；The both ends of second resistance respectively with TTL input interfaces and two input just with door
Input terminal connection；The both ends of capacitance respectively with TTL input interfaces and connect.Just believed with door and TTL by two input of setting
Number input interface, is controlled to allow the power module in the present embodiment to receive external signal.It is described in the present embodiment
Two inputs are just realized with door using SN74LVC1G08 chips.Preferably, in the present embodiment, as shown in figure 4, the tfi module
It further include the power supply module just powered with door for two input；The power supply module includes the third voltage-dropping type being sequentially electrically connected
Voltage-stablizer, third filter circuit, the 4th buck regulator and the 4th filter circuit；The input terminal of third buck regulator with
Input power connects；The output end of 4th filter circuit is just being connect with the power input of door with two input.The present embodiment
In, it is realized as shown in figure 4, third filter circuit and the 4th filter circuit are all made of multiple capacitances being connected in parallel, to filter
Fall the AC portion in input power.The third buck regulator is using the realization of LM7815 chips, the 4th voltage-dropping type
Voltage-stablizer is realized using LM7805 chips.
As shown in figure 5, in the present embodiment, the positive die block is provided with multiple output ends.The positive die block include with
The second filter circuit and be connected in multiple the second of the second filter circuit output end in parallel that the drain D of the field-effect tube connects
Buck regulator.In the present embodiment, the second filter circuit is realized using multiple capacitances being connected in parallel, the second voltage-dropping type voltage stabilizing
Device is realized using LTM4613 chips.As shown in figure 5, positive die block is provided with two outputs, respectively 8V and 5V.
Operation principle：
When using this power module, input power is coupled with to the source of the input terminal and field-effect tube of negative pressure module first
Pole S, and the output end of the output end of negative pressure module and positive die block is connected respectively to the negative pressure of radio-frequency power amplifier tube core
End and positive pressure side.When that need not control this power module with external signal, TTL input interface perseverances connect a high level, to
Two inputs being connect with TTL input interfaces are just high level with the input terminal perseverance of door.Input power taps into negative pressure module respectively
The source S of input terminal and field-effect tube；Input power is converted to multiple negative pressure and exported by negative pressure module, one of negative pressure output
End is just being electrically connected with an input terminal of door with two inputs, and when there is negative pressure output, two connect with negative pressure module output end are defeated
Enter that input terminal just with door just becomes high level from low level, as shown in figure 3, to which two inputs are just inputted with two of door
End is high level, and two inputs is made just to export a high level with the output end of door to the base stage B of triode, triode ON,
To which field-effect tube is connected, input power is made to be connected to positive die block, to make positive die block export positive pressure.When needs outside
When signal controls this power module, it is only necessary to which the high level signal of TTL input interfaces is replaced with TTL signal.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, every the utility model right that falls into is wanted
The technical solution in confining spectrum is sought, is all fallen within the scope of protection of the utility model.
Claims (7)
1. a kind of power module carrying out positive/negative-pressure timing control, which is characterized in that including：
Negative pressure module, is equipped with input terminal and at least two output ends, input terminal are electrically connected with input power；
Field-effect tube, source S are connect with input power；
Tfi module, input terminal are connect with one of negative pressure module output end, the grid G of output end and the field-effect tube
Connection；
The drain D of positive die block, input terminal and field-effect tube connects.
2. a kind of power module carrying out positive/negative-pressure timing control according to claim 1, it is characterised in that：It is described negative
Die block includes the first filter circuit and the first buck regulator being sequentially connected electrically；The input terminal of first filter circuit with it is defeated
Enter power electric connection, the output end of the first filter circuit is electrically connected with the input terminal of the first buck regulator；First voltage-dropping type
The output end of voltage-stablizer is electrically connected with the output end of negative pressure module.
3. a kind of power module carrying out positive/negative-pressure timing control according to claim 1, it is characterised in that：When described
Sequence module include two input just with door and triode；The base stage B of triode is just being connect with the output end of door with two inputs, triode
Emitter E ground connection, the collector C of triode connect with the grid G of the field-effect tube；Two inputs are just inputted with one of door
End is connect with one of negative pressure module output end, and two inputs are just equipped with first resistor, second with another input terminal of door
Resistance, capacitance and TTL input interfaces；The both ends of first resistor respectively with two input just with the input terminal of door and connect；Second
The both ends of resistance are just being connect with the input terminal of door with TTL input interfaces and two inputs respectively；The both ends of capacitance are inputted with TTL respectively
Interface and ground connect.
4. a kind of power module carrying out positive/negative-pressure timing control according to claim 3, it is characterised in that：When described
Sequence module further includes the power supply module just powered with door for two input；The power supply module includes the third being sequentially electrically connected
Buck regulator, third filter circuit, the 4th buck regulator and the 4th filter circuit；Third buck regulator it is defeated
Enter end to connect with input power；The output end of 4th filter circuit is just being connect with the power input of door with two input.
5. a kind of power module carrying out positive/negative-pressure timing control according to claim 1, it is characterised in that：It is described just
Die block is provided with multiple output ends.
6. a kind of power module carrying out positive/negative-pressure timing control according to claim 5, it is characterised in that：It is described just
Die block include the second filter circuit being connect with the drain D of the field-effect tube and be connected in parallel the second filter circuit output
Multiple second buck regulators at end.
7. a kind of power module carrying out positive/negative-pressure timing control according to claim 1, it is characterised in that：It is described negative
It is in series with fuse between the input terminal and input power of die block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820473882.7U CN207968431U (en) | 2018-04-03 | 2018-04-03 | A kind of power module carrying out positive/negative-pressure timing control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820473882.7U CN207968431U (en) | 2018-04-03 | 2018-04-03 | A kind of power module carrying out positive/negative-pressure timing control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968431U true CN207968431U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820473882.7U Active CN207968431U (en) | 2018-04-03 | 2018-04-03 | A kind of power module carrying out positive/negative-pressure timing control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-04-03 CN CN201820473882.7U patent/CN207968431U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A power supply module with positive and negative voltage timing control Effective date of registration: 20210507 Granted publication date: 20181012 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU MAILINTE TECHNOLOGY Co.,Ltd. Registration number: Y2021510000041 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211122 Granted publication date: 20181012 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU MAILINTE TECHNOLOGY CO.,LTD. Registration number: Y2021510000041 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A power module capable of positive and negative voltage timing control Effective date of registration: 20211208 Granted publication date: 20181012 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU MAILINTE TECHNOLOGY CO.,LTD. Registration number: Y2021980014295 |