CN101557231A - Control method for frequency synthesis source of transceiver and control module thereof - Google Patents
Control method for frequency synthesis source of transceiver and control module thereof Download PDFInfo
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- CN101557231A CN101557231A CNA2009100266729A CN200910026672A CN101557231A CN 101557231 A CN101557231 A CN 101557231A CN A2009100266729 A CNA2009100266729 A CN A2009100266729A CN 200910026672 A CN200910026672 A CN 200910026672A CN 101557231 A CN101557231 A CN 101557231A
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Abstract
The invention relates to a control method for a frequency synthesis source of a transceiver, comprising the following steps: a) initialize setting the state of hardware source which is integrated in a singlechip; b) initialize setting a phase discriminator via the singlechip and setting a locking frequency according the a preset value; c) executing a read key value program via the singlechip and scanning the key value which is identified by a keyboard which is connected with the singlechip; d) judging whether the singlechip detects a new key value; e) sending a system data in EMS memory to a host computer through the communication interface of a common use asynchronous transceiver module by the singlechip; and f) jumping to step c) to continue with steps. The invention adopts a ZLG P89LPC930FDH 8-bit singlechip as a main controller, assistantly uses a 16-bits liquid crystal display, designs a circuit considering the interference of various factors such as electrical source flooding wave and the like, can program on the spot, and has low cost and good engineering application value.
Description
Technical field
The present invention relates to the control section in the comprehensive source of communication equipment medium frequency, specifically in a kind of control method and control module thereof that is used for the frequency synthesis source of transceiver.
Background technology
Phase-locked loop is used to improve the synchronous and frame synchronization of row of television receiver at first, to improve antijamming capability.Later stage the 1950's, phase-locked loop was used for the tracking of space flight target, telemetry and telecommand along with the development of space technology.The beginning of the sixties, phase-locked loop was used wider along with the development of digital communication system, for example extracted reference carrier, set up bit synchronization etc. for coherent demodulation.FM signal phase-locked frequency discriminator with thresholding extended capability also grows up at the beginning of the sixties.Aspect electronic instrument, phase-locked loop has played important function in instruments such as frequency synthesizer and phase meter.
Frequency synthesis source in the communication equipment comprised phase-locked loop in the past, and its control section mostly adopts old-fashioned 51 series monolithics, and there is following shortcoming in the contact pin circuit board:
1, hardware circuit complexity, volume is bigger than normal, is difficult for installing.
2, many measures of taking in order to remedy deficiency in this respect improve cost.
3, can not provide the online program of firing, cause field adjustable work complexity.
Summary of the invention
The object of the invention provides a kind of control method and control module thereof that is used for the frequency synthesis source of transceiver, to solve the drawback of above-mentioned prior art.
Technical scheme of the present invention is:
A kind of control method that is used for the frequency synthesis source of transceiver is characterized in that may further comprise the steps: a) state to hardware resource integrated in the single-chip microcomputer carries out the initialization setting; B) by single-chip microcomputer phase discriminator is carried out the initialization setting, and the start locking frequency is set according to predetermined value; C) read strong value program, the key assignments that the keyboard that scanning is connected with single-chip microcomputer is discerned by the single-chip microcomputer execution; D) judge whether single-chip microcomputer detects new key assignments: if single-chip microcomputer detects new key assignments, then handle accordingly according to different key assignments, the system data that obtains after handling is deposited in the internal memory, and, set the locking frequency of phase discriminator by the phase discriminator control interface circuit according to the system data requirement; If single-chip microcomputer does not detect new key assignments, then handle accordingly according to existing key assignments, the system data that obtains after handling is deposited in the internal memory; E) single-chip microcomputer sends to host computer with the communication interface of the system data in the internal memory by the universal asynchronous receiving-transmitting module; F) jumping to step c continues to carry out.
Also comprise the control method of the display module of the frequency synthesis source that is used for transceiver, may further comprise the steps: a) state to hardware resource integrated in the single-chip microcomputer carries out the initialization setting; B) by single-chip microcomputer phase discriminator is carried out the initialization setting, and the start locking frequency is set according to predetermined value; C) read strong value program, the key assignments that the keyboard that scanning is connected with single-chip microcomputer is discerned by the single-chip microcomputer execution; D) judge whether single-chip microcomputer detects new key assignments: if single-chip microcomputer detects new key assignments, then handle accordingly according to different key assignments, the system data that obtains after handling is deposited in the internal memory, and the system data in the internal memory is sent in the video memory of LCD MODULE, and show by LCD MODULE; If single-chip microcomputer does not detect new key assignments, then handle accordingly according to existing key assignments, the system data that obtains after handling is deposited in the internal memory; E) jumping to step c continues to carry out.
A kind of control module that is used for the frequency synthesis source of transceiver comprises phase-locked loop, and this phase-locked loop is made up of phase discriminator, loop filter and voltage controlled oscillator, is used to provide frequency synthesis source; Reference source, an input signal as phase-locked loop is used to provide reference frequency; Keyboard is used to provide the key assignments of the system data that comprises locking frequency; LCD MODULE is used to show the system data that comprises locking frequency; Also comprise single-chip microcomputer, the locking frequency and the control LCD MODULE that are used to receive key assignments and set phase discriminator according to key assignments; The control output end of single-chip microcomputer connects the program divider of phase-locked loop, and the output of reference source connects the input of phase-locked loop, and the keyboard interface of single-chip microcomputer is connected keyboard and LCD MODULE respectively with the demonstration output interface; The output of frequency divider connects an input of phase discriminator, the output of program divider connects another input of phase discriminator, the input of the output linkloop filter of phase discriminator, the output of loop filter connect voltage controlled oscillator and get input, and it is P that voltage controlled oscillator gets output
OUTBe the output of frequency synthesis source, voltage controlled oscillator gets output and is connected with program divider.
Described single-chip microcomputer is that the model of Zhou Ligong is 8 single-chip microcomputers of P89LPC930FDH.
The invention has the beneficial effects as follows:
The present invention adopts 8 single-chip microcomputers of P89LPC930FDH of Zhou Ligong as master controller, be aided with 16 LCDs, considered the interference of every factors such as power supply clutter in the design circuit, can carry out field programming, with low cost, have good engineering using value.
The object of the invention provides a kind of FREQUENCY CONTROL part based on the P89LPC930FDH single-chip microcomputer.Multiple parameter monitoring can be provided, multi-channel analog controlled quentity controlled variable and the output of switch controlled quentity controlled variable, memory operation last time of can cutting off the power supply can be held.
It is master controller that the present invention adopts the P89LPC930FDH single-chip microcomputer.P89LPC930FDH is the microcontroller of a monolithic encapsulation, is suitable for many high integration, occasions cheaply of requiring, and can satisfy many-sided performance requirement.P89LPC930FDH has adopted high performance processor structure, and only need 2 to 4 clock cycle time for each instruction, and 6 times to standard 80C51 device.Many system-level functions that P89LPC930FDH is integrated can significantly reduce the number and the board area of element like this and reduce the cost of system.
Description of drawings
Fig. 1: the communication protocol figure of single-chip microcomputer of the present invention.
Fig. 2: the schematic diagram of control module of the present invention.
Fig. 3: control method flow chart of the present invention.
Fig. 4: the control method flow chart of display module of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Operation principle of the present invention is:
Phase-locked loop (phase-locked loop) is made up of phase discriminator (PD), loop filter (LF) and voltage controlled oscillator (VCO).Voltage controlled oscillator (VCO) provides a signal P
OUTA part is as output, another part is done bit comparison mutually by the local oscillation signal that frequency division and reference source are produced, constant for holding frequency, just require phase difference not change, if dephased variation, then the voltage of the voltage output end of reference source changes, remove to control voltage controlled oscillator (VCO), recover, reach the purpose of frequency locking up to phase difference.
Phase discriminator (PD) is used for differentiating input signal f
INWith output signal f
OUTBetween phase difference, and output error voltage, interference components such as noise in the error voltage and power supply clutter are formed the control voltage of voltage controlled oscillator (VCO) by the loop filter of low pass character (LF) filtering.The result that control voltage acts on voltage controlled oscillator (VCO) is the output frequency of oscillation f it
OUTPull to the loop input signal frequency f
IN, when the two was equal, loop was locked, was called into lock.The direct-current control voltage of keeping locking is provided by phase discriminator (PD), so leaves certain phase difference between two input signals of phase discriminator (PD).
Embodiments of the present invention are:
Embodiment one.
As Fig. 3, a kind of control method that is used for the frequency synthesis source of transceiver is characterized in that may further comprise the steps:
A) state to hardware resource integrated in the single-chip microcomputer carries out the initialization setting;
B) by single-chip microcomputer phase discriminator is carried out the initialization setting, and the start locking frequency is set according to predetermined value;
C) read strong value program, the key assignments that the keyboard that scanning is connected with single-chip microcomputer is discerned by the single-chip microcomputer execution;
D) judge whether single-chip microcomputer detects new key assignments:
If single-chip microcomputer detects new key assignments, then handle accordingly according to different key assignments, the system data that obtains after handling is deposited in the internal memory, and, set the locking frequency of phase discriminator by the phase discriminator control interface circuit according to the system data requirement; If single-chip microcomputer does not detect new key assignments, then handle accordingly according to existing key assignments, the system data that obtains after handling is deposited in the internal memory;
E) single-chip microcomputer sends to host computer with the communication interface of the system data in the internal memory by the universal asynchronous receiving-transmitting module;
F) jumping to step c continues to carry out.
As Fig. 4, the control method as preferably also comprising the display module of the frequency synthesis source that is used for transceiver may further comprise the steps:
A) state to hardware resource integrated in the single-chip microcomputer carries out the initialization setting;
B) by single-chip microcomputer phase discriminator is carried out the initialization setting, and
According to predetermined value the start locking frequency is set;
C) read strong value program, the key assignments that the keyboard that scanning is connected with single-chip microcomputer is discerned by the single-chip microcomputer execution;
D) judge whether single-chip microcomputer detects new key assignments:
If single-chip microcomputer detects new key assignments, then handle accordingly according to different key assignments, the system data that obtains after handling is deposited in the internal memory, and the system data in the internal memory is sent in the video memory of LCD MODULE, and show by LCD MODULE; If single-chip microcomputer does not detect new key assignments, then handle accordingly according to existing key assignments, the system data that obtains after handling is deposited in the internal memory;
E) jumping to step c continues to carry out.
Embodiment two.
As Fig. 2, a kind of control module that is used for the frequency synthesis source of transceiver comprises phase-locked loop, and this phase-locked loop is made up of phase discriminator, loop filter and voltage controlled oscillator, is used to provide frequency synthesis source; Reference source, an input signal as phase-locked loop is used to provide reference frequency; Keyboard is used to provide the key assignments of the system data that comprises locking frequency; LCD MODULE is used to show the system data that comprises locking frequency; Also comprise single-chip microcomputer, the locking frequency and the control LCD MODULE that are used to receive key assignments and set phase discriminator according to key assignments; The control output end of single-chip microcomputer connects the program divider of phase-locked loop, and the output of reference source connects the input of phase-locked loop, and the keyboard interface of single-chip microcomputer is connected keyboard and LCD MODULE respectively with the demonstration output interface; The output of frequency divider connects an input of phase discriminator, the output of program divider connects another input of phase discriminator, the input of the output linkloop filter of phase discriminator, the output of loop filter connect voltage controlled oscillator and get input, and it is P that voltage controlled oscillator gets output
OUTBe the output of frequency synthesis source, voltage controlled oscillator gets output and is connected with program divider.
Single-chip microcomputer is that the model of Zhou Ligong is 8 single-chip microcomputers of P89LPC930FDH.It is the phase discriminator of ADF4106 that phase discriminator can be selected model for use.The universal asynchronous receiving-transmitting module can be the UART module, and it is 16 LCD MODULE of CA1602 that LCD MODULE can be selected model for use.
Fig. 1 is the communication protocol figure of single-chip microcomputer of the present invention, can set up being connected of single-chip microcomputer and phase-locked loop and single-chip microcomputer and keyboard and LCD MODULE by this agreement.
Operation principle of the present invention is:
Phase-locked loop (phase-locked loop) is made up of phase discriminator (PD), loop filter (LF) and voltage controlled oscillator (VCO).Voltage controlled oscillator (VCO) provides a frequency signal P
OUTA part is as output, another part is done bit comparison mutually by the local oscillation signal that frequency division and reference source are produced, constant for holding frequency, just require phase difference not change, if dephased variation, then the voltage of the voltage output end of reference source changes, remove to control voltage controlled oscillator (VCO), recover, reach the purpose of frequency locking up to phase difference.
Phase discriminator (PD) is used for differentiating input signal f
INWith output signal f
OUTBetween phase difference, and output error voltage, interference components such as noise in the error voltage and power supply clutter are formed the control voltage of voltage controlled oscillator (VCO) by the loop filter of low pass character (LF) filtering.The result that control voltage acts on voltage controlled oscillator (VCO) is the output frequency of oscillation f it
OUTPull to the loop input signal frequency f
IN, when the two was equal, loop was locked, was called into lock.The direct-current control voltage of keeping locking is provided by phase discriminator (PD), so leaves certain phase difference between two input signals of phase discriminator (PD).
Connect upward required each module to single-chip microcomputer, comprise reference source, loop filter (LF), voltage controlled oscillator (VCO) and phase discriminator (PD) etc., above-mentioned each module has just been formed frequency synthesis source.
Control program makes phase discriminator (PD) work on the monolithic machine burning by giving, and obtains needed frequency.
Hardware components that the present invention does not relate to and software section all can pass through existing techniques in realizing.
Claims (4)
1, a kind of control method that is used for the frequency synthesis source of transceiver is characterized in that may further comprise the steps:
A) state to hardware resource integrated in the single-chip microcomputer carries out the initialization setting;
B) by single-chip microcomputer phase discriminator is carried out the initialization setting, and
According to predetermined value the start locking frequency is set;
C) read strong value program, the key assignments that the keyboard that scanning is connected with single-chip microcomputer is discerned by the single-chip microcomputer execution;
D) judge whether single-chip microcomputer detects new key assignments:
If single-chip microcomputer detects new key assignments, then handle accordingly according to different key assignments, the system data that obtains after handling is deposited in the internal memory, and
According to the system data requirement, set the locking frequency of phase discriminator by the phase discriminator control interface circuit;
If single-chip microcomputer does not detect new key assignments, then handle accordingly according to existing key assignments, the system data that obtains after handling is deposited in the internal memory;
E) single-chip microcomputer sends to host computer with the communication interface of the system data in the internal memory by the universal asynchronous receiving-transmitting module;
F) jumping to step c continues to carry out.
2, a kind of indoor and outdoor microwave transmitting and receiving communication monitoring method according to claim 1 is characterized in that also comprising may further comprise the steps the control method of the display module of the frequency synthesis source that is used for transceiver:
A) state to hardware resource integrated in the single-chip microcomputer carries out the initialization setting;
B) by single-chip microcomputer phase discriminator is carried out the initialization setting, and
According to predetermined value the start locking frequency is set;
C) read strong value program, the key assignments that the keyboard that scanning is connected with single-chip microcomputer is discerned by the single-chip microcomputer execution;
D) judge whether single-chip microcomputer detects new key assignments:
If single-chip microcomputer detects new key assignments, then handle accordingly according to different key assignments, the system data that obtains after handling is deposited in the internal memory, and
System data in the internal memory is sent in the video memory of LCD MODULE, and shows by LCD MODULE;
If single-chip microcomputer does not detect new key assignments, then handle accordingly according to existing key assignments, the system data that obtains after handling is deposited in the internal memory;
E) jumping to step c continues to carry out.
3, a kind of control module that is used for the frequency synthesis source of transceiver comprises phase-locked loop, and this phase-locked loop is made up of phase discriminator, loop filter and voltage controlled oscillator, is used to provide frequency synthesis source;
Reference source, an input signal as phase-locked loop is used to provide reference frequency;
Keyboard is used to provide the key assignments of the system data that comprises locking frequency;
LCD MODULE is used to show the system data that comprises locking frequency;
It is characterized in that also comprising single-chip microcomputer, the locking frequency and the control LCD MODULE that are used to receive key assignments and set phase discriminator according to key assignments; The control output end of single-chip microcomputer connects the program divider of phase-locked loop, and the output of reference source connects the input of phase-locked loop, and the keyboard interface of single-chip microcomputer is connected keyboard and LCD MODULE respectively with the demonstration output interface; The output of frequency divider connects an input of phase discriminator, the output of program divider connects another input of phase discriminator, the input of the output linkloop filter of phase discriminator, the output of loop filter connect voltage controlled oscillator and get input, and it is P that voltage controlled oscillator gets output
OUTBe the output of frequency synthesis source, voltage controlled oscillator gets output and is connected with program divider.
4, the control module that is used for the frequency synthesis source of transceiver according to claim 3 is characterized in that described single-chip microcomputer is that the model of Zhou Ligong is 8 single-chip microcomputers of P89LPC930FDH.
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| CNA2009100266729A CN101557231A (en) | 2009-05-08 | 2009-05-08 | Control method for frequency synthesis source of transceiver and control module thereof |
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| CNA2009100266729A CN101557231A (en) | 2009-05-08 | 2009-05-08 | Control method for frequency synthesis source of transceiver and control module thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006060A (en) * | 2010-11-08 | 2011-04-06 | 四川九洲电器集团有限责任公司 | Harmonic phase locking frequency source and phase locking method thereof |
| CN102518541A (en) * | 2011-12-27 | 2012-06-27 | 成都集思科技有限公司 | Solid state microwave source for ignition of internal combustion engine |
| CN102928842A (en) * | 2012-12-04 | 2013-02-13 | 上海无线电设备研究所 | Small-sized frequency synthesizing signal source for vehicle-mounted anti-collision radar system |
| CN105406860A (en) * | 2015-10-20 | 2016-03-16 | 北京中科飞鸿科技有限公司 | High precision output single-chip microcomputer phase-locked loop rapid frequency source |
| CN115426544A (en) * | 2022-08-08 | 2022-12-02 | 国家电网有限公司 | Hydraulic detection platform and method for water turbine runner |
-
2009
- 2009-05-08 CN CNA2009100266729A patent/CN101557231A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006060A (en) * | 2010-11-08 | 2011-04-06 | 四川九洲电器集团有限责任公司 | Harmonic phase locking frequency source and phase locking method thereof |
| CN102518541A (en) * | 2011-12-27 | 2012-06-27 | 成都集思科技有限公司 | Solid state microwave source for ignition of internal combustion engine |
| CN102928842A (en) * | 2012-12-04 | 2013-02-13 | 上海无线电设备研究所 | Small-sized frequency synthesizing signal source for vehicle-mounted anti-collision radar system |
| CN105406860A (en) * | 2015-10-20 | 2016-03-16 | 北京中科飞鸿科技有限公司 | High precision output single-chip microcomputer phase-locked loop rapid frequency source |
| CN115426544A (en) * | 2022-08-08 | 2022-12-02 | 国家电网有限公司 | Hydraulic detection platform and method for water turbine runner |
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Application publication date: 20091014 |