CN101867380B - Handheld transmitter - Google Patents
Handheld transmitter Download PDFInfo
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- CN101867380B CN101867380B CN 201010108474 CN201010108474A CN101867380B CN 101867380 B CN101867380 B CN 101867380B CN 201010108474 CN201010108474 CN 201010108474 CN 201010108474 A CN201010108474 A CN 201010108474A CN 101867380 B CN101867380 B CN 101867380B
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Abstract
The invention relates to a handheld transmitter, belonging to the technical field of the electrocommunication and aiming at solving the technical problems that the prior product has large volume, small distance measurement range and poor precision, etc. A carrier frequency signal source is connected with a phase-locked loop; one output end of the phase-locked loop is connected with one input end of a voltage-controlled oscillator (VCO), and the other output end is connected in series with a low-pass filter and then is connected with the other input end of the VCO; the output end of the VCO is connected with one input end of a modulator; one output end of a synchronizing signal generator is connected in series with a PN code generator and then is connected with one input end of an xor calculator, and the other output end is connected in series with a modulated data generator and then is connected the other input end of the xor calculator; the output end of the xor calculator is connected with the other input end of the modulator; the output end of the modulator is connected in series with an amplifier and then is connected with one input end of an antenna selection switch; the output end of a switching controller is connected with the other input end of the antenna selection switch; and the output end of the antenna selection switch is connected with an antenna.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of handheld transmitter be used to needing indoor accurate position and range finding.
Background technology
Indoor accurate position and range finding have a wide range of applications in the manufacturing of industrial enterprise is produced, and except being used for measuring main equipment, factory building, the mobile production line, this type of application also begins to occur growth trend in fields such as amusement, game at present.But currently marketed indoor short-range transmitter and receiver adopt infrared mode to communicate more, and its shortcoming is:
1. system bulk is large;
2. finding range is little;
3. low precision;
4. reaction speed is slow;
5. anti-interference is poor.
Yet there are no use the radio communication mode be used for indoor short-range transmitter and receiver.
Summary of the invention
The present invention is intended to solve that the system bulk that exists in the existing handheld transmitter product is large, finding range is little, low precision, reaction speed wait technical problem slowly, a kind of integrated level is high, anti-interference good to provide, cooperate that corresponding receiver can provide that accurate location and range finding, volume are little, lightweight, finding range greatly, stability is high, precision is high handheld transmitter.
The objective of the invention is to be achieved through the following technical solutions.
Handheld transmitter of the present invention, be connected with phase-locked loop 2 by carrier frequency signaling source 1, an output of phase-locked loop 2 connects an input of voltage controlled oscillator VCO 4, another input of its another output serial connection low pass filter 3 rear connection voltage controlled oscillator VCO 4, the output outgoing carrier frequency 5 of voltage controlled oscillator VCO 4 enters an input of modulator 6; Be connected with an input of exclusive-OR operator 10 behind the output serial connection PN code generator 11 of sync generator 13, be connected with another input of exclusive-OR operator 10 behind its another output serial connection modulating data generator 12, exclusive-OR operator 10 is connected with another input of modulator 6 by I/O mouth 15, the output of button 14 connects another input of modulating data generator 12, and the output of digital acceleration sensor 17 connects the 3rd input of modulating data generator 12; Be connected with 8 one inputs of antenna selection switch behind the output serial connection amplifier 7 of modulator 6, the output of switch controller 9 connects another input of antenna selection switch 8, and the output of antenna selection switch 8 connects antenna 16.
Handheld transmitter of the present invention, wherein said phase-locked loop 2 is ADF4360-0.
Handheld transmitter of the present invention, wherein said modulator 6 is AD8349.
Handheld transmitter of the present invention, wherein said carrier frequency 5 is 2.45GHz.
Handheld transmitter of the present invention, four outputs of wherein said antenna selection switch 8 connect respectively an external antenna 16.
Handheld transmitter of the present invention, the output of wherein said antenna selection switch 8 connects a built-in aerial.
The beneficial effect of handheld transmitter of the present invention:
1. integrated level is high;
2. anti-interference is good;
3. cooperate corresponding receiver that accurate location and range finding can be provided;
4. volume is little, lightweight;
5. finding range is large, reliability is high, precision is high.
Description of drawings
Fig. 1 is electrical block diagram of the present invention
Number in the figure explanation: 1 carrier frequency signaling source, 2 phase-locked loops, 3 low pass filters, 4 voltage controlled oscillator VCO, 5 carrier frequencies, 6 modulators, 7 amplifiers, 8 antenna selection switchs, 9 switch controllers, 10 exclusive-OR operators, 11PN code generator, 12 modulating data generators, 13 sync generators, 14 buttons, 15I/O mouth, 16 external antennas, 17 digital acceleration sensors
Embodiment
Detailed structure of the present invention, application principle, effect and effect are explained by following execution mode with reference to accompanying drawing 1.
Handheld transmitter of the present invention, be connected with phase-locked loop 2 by carrier frequency signaling source 1, an output of phase-locked loop 2 connects an input of voltage controlled oscillator VCO 4, another input of its another output serial connection low pass filter 3 rear connection voltage controlled oscillator VCO 4, the output outgoing carrier frequency 5 of voltage controlled oscillator VCO 4 enters an input of modulator 6; Be connected with an input of exclusive-OR operator 10 behind the output serial connection PN code generator 11 of sync generator 13, be connected with another input of exclusive-OR operator 10 behind its another output serial connection modulating data generator 12, exclusive-OR operator 10 is connected with another input of modulator 6 by I/O mouth 15, the output of button 14 connects another input of modulating data generator 12, and the output of digital acceleration sensor 17 connects the 3rd input of modulating data generator 12; Be connected with 8 one inputs of antenna selection switch behind the output serial connection amplifier 7 of modulator 6, the output of switch controller 9 connects another input of antenna selection switch 8, and four outputs of antenna selection switch 8 connect respectively an external antenna 16.Phase-locked loop 2 is ADF4360-0.Modulator 6 is AD8349.Carrier frequency 5 is 2.45GHz.
The output of antenna selection switch 8 also can connect a built-in aerial.
During work, the transmitter transmitted spread spectrum signal, carrier frequency 5 is 2.45GHz, the BPSK modulation, spread-spectrum code rate 5M, modulation data rate 19.6Kbps, every frame data comprise 255 spread-spectrum code chips, and higher spreading gain is arranged, and have improved system rejection to disturbance.
Phase-locked loop 2 by on-site programmable gate array FPGA control adopts chip ADF4360-0, produce the 2.45GHz carrier frequency, after modulator 6 chip AD8349 modulation, again through filtering, amplification, output to 4 external antennas 16 or 1 built-in aerial finally by antenna selection switch 8 (radio-frequency (RF) switch).
Transmitter is except emission different coding signal, and the direction of motion and the acceleration information also digital acceleration sensor 17 sensed are launched take carrier frequency as 2.45GHz in the lump.
From the above, handheld transmitter of the present invention has that integrated level is high, anti-interference good; Cooperate corresponding handheld receiver that accurate location and range finding can be provided; Volume is little, lightweight; The plurality of advantages such as finding range is large, precision is high.
Claims (6)
1. handheld transmitter, it is characterized in that: carrier frequency signaling source (1) is connected with phase-locked loop (2), an output of phase-locked loop (2) connects an input of voltage controlled oscillator VCO (4), connect another input of voltage controlled oscillator VCO (4) behind its another output serial connection low pass filter (3), the output output local oscillation signal (5) of voltage controlled oscillator VCO (4) enters an input of modulator (6); Be connected with an input of exclusive-OR operator (10) behind the output serial connection PN code generator (11) of sync generator (13), be connected with another input of exclusive-OR operator (10) behind its another output serial connection modulating data generator (12), exclusive-OR operator (10) is connected by I/O mouth (15) another input with modulator (6), the output of button (14) connects another input of modulating data generator (12), and the output of digital acceleration sensor (17) connects the 3rd input of modulating data generator (12); Be connected with (8) inputs of antenna selection switch behind the output serial connection amplifier (7) of modulator (6), the output of switch controller (9) connects another input of antenna selection switch (8), and the output of antenna selection switch (8) connects antenna (16).
2. handheld transmitter as claimed in claim 1, it is characterized in that: described phase-locked loop (2) is ADF4360-0.
3. handheld transmitter as claimed in claim 1, it is characterized in that: described modulator (6) is AD8349.
4. handheld transmitter as claimed in claim 1 is characterized in that: described carrier frequency (5) is 2.45GHz.
5. handheld transmitter as claimed in claim 1, it is characterized in that: four outputs of described antenna selection switch (8) connect respectively an external antenna.
6. handheld transmitter as claimed in claim 1 is characterized in that: built-in aerial of output connection of described antenna selection switch (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010108474 CN101867380B (en) | 2010-02-10 | 2010-02-10 | Handheld transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010108474 CN101867380B (en) | 2010-02-10 | 2010-02-10 | Handheld transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101867380A CN101867380A (en) | 2010-10-20 |
| CN101867380B true CN101867380B (en) | 2013-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010108474 Active CN101867380B (en) | 2010-02-10 | 2010-02-10 | Handheld transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101867380B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111181578A (en) * | 2019-12-27 | 2020-05-19 | 苏州安迪卡普科技有限公司 | 3.6GHz frequency band universal spread spectrum transmitting front-end device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1119474A (en) * | 1993-03-17 | 1996-03-27 | 德国汤姆逊-布朗特公司 | Remote control method and device |
| CN1545075A (en) * | 2003-11-11 | 2004-11-10 | 浙江中控技术股份有限公司 | Infrared signal learning type control device and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8325008B2 (en) * | 2001-04-25 | 2012-12-04 | The Chamberlain Group, Inc. | Simplified method and apparatus for programming a universal transmitter |
-
2010
- 2010-02-10 CN CN 201010108474 patent/CN101867380B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1119474A (en) * | 1993-03-17 | 1996-03-27 | 德国汤姆逊-布朗特公司 | Remote control method and device |
| CN1545075A (en) * | 2003-11-11 | 2004-11-10 | 浙江中控技术股份有限公司 | Infrared signal learning type control device and method |
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| Publication number | Publication date |
|---|---|
| CN101867380A (en) | 2010-10-20 |
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