CN207399146U - A kind of power amplifier module input detection instruction device - Google Patents
A kind of power amplifier module input detection instruction device Download PDFInfo
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- CN207399146U CN207399146U CN201721146215.XU CN201721146215U CN207399146U CN 207399146 U CN207399146 U CN 207399146U CN 201721146215 U CN201721146215 U CN 201721146215U CN 207399146 U CN207399146 U CN 207399146U
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- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 239000003990 capacitor Substances 0.000 claims description 48
- 238000004891 communication Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract 1
- 230000003321 amplification Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of power amplifier modules to input detection instruction device, is related to field of communication technology.Signal input part RFIN is connected with No. 1 port of coupler, the negative phase end of first amplifier is connected with one end of resistance four and resistance five, the other end of resistance five is connected with the negative pole end of six and first amplifier of resistance, resistance seven is connected with resistance six, and the positive terminal of the second amplifier is connected, the output terminal of the second amplifier after resistance ten and Light-Emitting Diode series winding with being grounded；The one end of the negative phase end of second amplifier respectively with one end of resistance nine, resistance eight is connected, and one end of the other end of resistance eight and variable resistor connects, and the one end of the other end of variable resistor respectively with the anode of capacitance four and capacitance three is connected, and is connected to the first amplifier.By carrying out input signal detection to power amplifier module, input detection indicator light is lighted, it is possible to determine that whether power amplifier external input signal is normal.
Description
Technical Field
The utility model relates to the field of communication technology, concretely relates to power amplifier module input detection indicating device.
Background
In the rapid development of communication systems, power amplification is very important for the efficient transmission of communication signals. The signal input is too large, and the final amplifier tube is broken down, so that no signal is output. When the traditional equipment is used for engineering installation and debugging, it is difficult to ensure that signal input does not suddenly change due to some factors, and whether the equipment is installed and debugged properly cannot be determined. If the signal input is too large, the power amplification module can not work normally after a long time, and the normal use of the equipment is directly influenced. Therefore, the existing module power amplifier has no input signal indication, and whether the external input signal of the power amplifier is normal or not cannot be judged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, easily realize, through carrying out the incoming signal to the power amplifier module and detecting, light the incoming detection pilot lamp, can judge whether normal power amplifier module input detection indicating device of power amplifier external input signal.
In order to solve the problem existing in the background art, the utility model adopts the following technical scheme: a power amplifier module input detection indicating device comprises a coupler U1, a resistor R1, a capacitor C1, a first detection diode D1, a second detection diode D2, a capacitor C2, a resistor R2, a resistor three R3, a resistor four R4, a resistor five R5, a capacitor three C3, a resistor six R6, a first operational amplifier Q1A, a second operational amplifier Q1B, a capacitor five C5, a resistor seven R7, a capacitor four C4, a variable resistor RV1, a resistor eight R8, a resistor nine R9, a resistor ten R10 and a light emitting diode D3; wherein,
a signal input end RFIN is connected with a port 1 of a coupler U1, a resistor R1 is connected with a port 4 of a coupler U1, a port 2 of a coupler U1 is connected with a signal output end RFOUT, a port 3 of the coupler U1 is connected with a capacitor C1, a capacitor C1 is connected with the negative electrode of a first detection diode D1, the positive electrode of the first detection diode D1 is grounded, the negative electrode of the first detection diode D1 is connected with the positive electrode of a second detection diode D2, the negative electrode of the second detection diode D2 is respectively connected with one end of a capacitor two C2, one end of a resistor two R2 and one end of a resistor three R3, the other end of the capacitor two C2 and the other end of a resistor two R2 are grounded, the other end of the resistor three R3 is connected with the positive end of a first operational amplifier Q1A, the negative phase end of the first operational amplifier Q1A is connected with one end of a resistor four R4 and the other end of the resistor R5, the other end of the resistor six resistor R5 is grounded, the resistor R5 and the negative terminal 5 is connected with the fifth operational amplifier Q5. The six R6 resistor is connected with one end of the five C5 capacitor, the other end of the five C5 capacitor is grounded, the seven R7 resistor is connected with the six R6 resistor in series and is connected with the positive phase end of the second operational amplifier Q1B, and the output end of the second operational amplifier Q1B is connected with the ten R10 resistor and the light emitting diode D3 in series and then is grounded; the negative phase end of the second operational amplifier Q1B is respectively connected with one end of a resistor nine R9 and one end of a resistor eight R8, the other end of the resistor nine R9 is grounded, the other end of the resistor eight R8 is connected with one end of a variable resistor RV1, the other end of the variable resistor RV1 is respectively connected with the anode of a capacitor four C4, a power supply Vcc and one end of a capacitor three C3 and is connected to the first operational amplifier Q1A, and the cathode of the capacitor four C4 and the other end of the capacitor three C3 are grounded.
As a further improvement of the utility model; the first detection diode D1 and the second detection diode D2 are 7630-079.
As a further improvement of the utility model; the capacitance value of the capacitor one C1 is 100 Pf.
As a further improvement of the utility model; the resistance value of the resistor decaR 10 is 1K.
As a further improvement of the utility model; the light emitting diode D3 is ZX-35288W 42-1.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
the utility model discloses an input signal changes voltage for high frequency wave detection pipe through the merit divides the coupling and gives the comparator in order to control emitting diode and light, detects through carrying out input signal to the power amplifier module, lights the input and detects the pilot lamp, can judge whether power amplifier external input signal is normal.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Referring to fig. 1, the following technical solutions are adopted in the present embodiment: a power amplifier module input detection indicating device comprises a coupler U1, a resistor R1, a capacitor C1, a first detection diode D1, a second detection diode D2, a capacitor C2, a resistor R2, a resistor three R3, a resistor four R4, a resistor five R5, a capacitor three C3, a resistor six R6, a first operational amplifier Q1A, a second operational amplifier Q1B, a capacitor five C5, a resistor seven R7, a capacitor four C4, a variable resistor RV1, a resistor eight R8, a resistor nine R9, a resistor ten R10 and a light emitting diode D3; wherein,
a signal input end RFIN is connected with a port 1 of a coupler U1, a resistor R1 is connected with a port 4 of a coupler U1, a port 2 of a coupler U1 is connected with a signal output end RFOUT, a port 3 of the coupler U1 is connected with a capacitor C1, a capacitor C1 is connected with the negative electrode of a first detection diode D1, the positive electrode of the first detection diode D1 is grounded, the negative electrode of the first detection diode D1 is connected with the positive electrode of a second detection diode D2, the negative electrode of the second detection diode D2 is respectively connected with one end of a capacitor two C2, one end of a resistor two R2 and one end of a resistor three R3, the other end of the capacitor two C2 and the other end of a resistor two R2 are grounded, the other end of the resistor three R3 is connected with the positive end of a first operational amplifier Q1A, the negative phase end of the first operational amplifier Q1A is connected with one end of a resistor four R4 and the other end of the resistor R5, the other end of the resistor six resistor R5 is grounded, the resistor R5 and the negative terminal 5 is connected with the fifth operational amplifier Q5. The six R6 resistor is connected with one end of the five C5 capacitor, the other end of the five C5 capacitor is grounded, the seven R7 resistor is connected with the six R6 resistor in series and is connected with the positive phase end of the second operational amplifier Q1B, and the output end of the second operational amplifier Q1B is connected with the ten R10 resistor and the light emitting diode D3 in series and then is grounded; the negative phase end of the second operational amplifier Q1B is respectively connected with one end of a resistor nine R9 and one end of a resistor eight R8, the other end of the resistor nine R9 is grounded, the other end of the resistor eight R8 is connected with one end of a variable resistor RV1, the other end of the variable resistor RV1 is respectively connected with the anode of a capacitor four C4, a power supply Vcc and one end of a capacitor three C3 and is connected to the first operational amplifier Q1A, and the cathode of the capacitor four C4 and the other end of the capacitor three C3 are grounded.
The first detection diode D1 and the second detection diode D2 are 7630-079.
The capacitance value of the capacitor one C1 is 100 Pf.
The resistance value of the resistor decaR 10 is 1K.
The light emitting diode D3 is ZX-35288W 42-1.
The utility model discloses thereby set up an input signal and give a detection diode D1 and No. two detection diode D2 to a signal through coupler U1 coupling at signal input part RFIN and obtain a voltage signal, this voltage signal is putting Q1A through first fortune and is following the second fortune to the signal and put Q1B, and Q1B is a comparison circuit is put to second fortune, adjusts to and follows voltage signal unanimity through variable resistance RV 1. When the input signal is greater than or equal to the input signal, the first operational amplifier Q1A outputs a high-level signal to the light emitting diode D3 to light the light emitting diode D3, so that the indicating and alarming function is realized. The accuracy of the input signal of the power amplifier module is ensured, the module power amplifier is indicated by the input signal, and whether the external input signal of the power amplifier is normal can be judged.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. An input detection indicating device of a power amplifier module is characterized by comprising a coupler (U1), a first resistor (R1), a first capacitor (C1), a first detection diode (D1), a second detection diode (D2), a second capacitor (C2), a second resistor (R2), a third resistor (R3), a fourth resistor (R4), a fifth resistor (R5), a third capacitor (C3), a sixth resistor (R6), a first operational amplifier (Q1A), a second operational amplifier (Q1B), a fifth capacitor (C5), a seventh resistor (R7), a fourth capacitor (C4), a variable resistor (RV1), an eighth resistor (R8), a ninth resistor (R9), a tenth resistor (R10) and a light emitting diode (D3); wherein,
the signal input end RFIN is connected with a port 1 of a coupler (U1), a resistor I (R1) is connected with a port 4 of the coupler (U1), a port 2 of the coupler (U1) is connected with a signal output end RFOUT, a port 3 of the coupler (U1) is connected with a capacitor I (C1), a capacitor I (C1) is connected with the negative electrode of a first detection diode (D1), the positive electrode of the first detection diode (D1) is grounded, the negative electrode of the first detection diode (D1) is connected with the positive electrode of a second detection diode (D2), the negative electrode of the second detection diode (D2) is respectively connected with one end of a capacitor II (C2), one end of a resistor II (R2), one end of a resistor III (R3), the other end of the capacitor II (C2), the other end of a resistor II (R2) are grounded, the other end of the resistor III (R3) is connected with the negative end of a first positive-phase amplifier (R465) and the positive-phase amplifier (Q A) is connected with a first end Q5 and a fourth end (R A) of a resistor Q4624, the other end of the resistor IV (R4) is grounded, the other end of the resistor V (R5) is connected with the negative ends of the resistor six (R6) and the first operational amplifier (Q1A), the resistor six (R6) is connected with one end of the capacitor V (C5), the other end of the capacitor V (C5) is grounded, the resistor seven (R7) is connected with the resistor six (R6) in series and is connected with the positive phase end of the second operational amplifier (Q1B), and the output end of the second operational amplifier (Q1B) is connected with the resistor ten (R10) and the light-emitting diode (D3) in series and then is grounded; the negative phase end of the second operational amplifier (Q1B) is respectively connected with one end of a resistor nine (R9) and one end of a resistor eight (R8), the other end of the resistor nine (R9) is grounded, the other end of the resistor eight (R8) is connected with one end of a variable resistor (RV1), the other end of the variable resistor (RV1) is respectively connected with the anode of a capacitor four (C4), a power supply Vcc and one end of a capacitor three (C3) and is connected to the first operational amplifier (Q1A), and the cathode of the capacitor four (C4) and the other end of the capacitor three (C3) are grounded.
2. The power amplifier module input detection indicating device of claim 1, wherein the first detector diode (D1) and the second detector diode (D2) are 7630-079.
3. The power amplifier module input detection indicating device of claim 1, wherein the capacitance value of the capacitor one (C1) is 100 Pf.
4. The power amplifier module input detection indicating device of claim 1, wherein the resistance of the resistor ten (R10) is 1K.
5. The power amplifier module input detection indicating device of claim 1, wherein the light emitting diode (D3) is ZX-35288W 42-1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146215.XU CN207399146U (en) | 2017-09-07 | 2017-09-07 | A kind of power amplifier module input detection instruction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146215.XU CN207399146U (en) | 2017-09-07 | 2017-09-07 | A kind of power amplifier module input detection instruction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207399146U true CN207399146U (en) | 2018-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721146215.XU Active CN207399146U (en) | 2017-09-07 | 2017-09-07 | A kind of power amplifier module input detection instruction device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207399146U (en) |
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2017
- 2017-09-07 CN CN201721146215.XU patent/CN207399146U/en active Active
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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 |
Denomination of utility model: Power amplifier module input testing instruction device Effective date of registration: 20190716 Granted publication date: 20180522 Pledgee: Nanjing Bank Co., Ltd. Nanjing Financial City Branch Pledgor: Nanjing Hanrui Microwave Communication Co. Ltd. Registration number: 2019320000336 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |