CN107800448A - Medium wave transmitter apparatus for frequency synthesizing - Google Patents
Medium wave transmitter apparatus for frequency synthesizing Download PDFInfo
- Publication number
- CN107800448A CN107800448A CN201711219389.9A CN201711219389A CN107800448A CN 107800448 A CN107800448 A CN 107800448A CN 201711219389 A CN201711219389 A CN 201711219389A CN 107800448 A CN107800448 A CN 107800448A
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- Prior art keywords
- frequency
- oscillator
- resistance
- diode
- resistor
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- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 13
- 239000013078 crystal Substances 0.000 claims abstract description 3
- 238000004146 energy storage Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Abstract
The present invention proposes medium wave transmitter apparatus for frequency synthesizing, including：Power subsystem, radio frequency unit and oscillator, wherein, the power subsystem is powered to the radio frequency unit and oscillator, and the oscillator includes：Digital Frequency Synthesize formula driver, oscillator synchronization device and output circuit, wherein the Digital Frequency Synthesize formula driver includes：Temperature-compensating crystal oscillator, amplifying circuit, the one or eight frequency divider, four-divider, the two or eight frequency divider, vibration and the phase discriminator being sequentially connected, it is described vibration and phase discriminator further by amplifier with two can frequency divider be connected.The present invention realizes signal oscillating, circuit structure is relatively easy using Digital Frequency Synthesize formula driver, oscillator synchronization device.
Description
Technical field
The present invention relates to medium wave transmitter technical field, more particularly to a kind of medium wave transmitter apparatus for frequency synthesizing.
Background technology
With the arrival in digital information epoch, DAM digital ams technology has obtained extensively in medium wave broadcasting transmitting equipment
General application.Based on this, a kind of efficient medium wave transmitter apparatus for frequency synthesizing how is provided, is the technology for being currently needed for solving
Problem.
The content of the invention
The purpose of the present invention is intended at least solve one of described technological deficiency.
Therefore, it is an object of the invention to propose a kind of medium wave transmitter apparatus for frequency synthesizing.
To achieve these goals, embodiments of the invention provide a kind of medium wave transmitter apparatus for frequency synthesizing, including：Electricity
Source unit, radio frequency unit and oscillator, wherein, the power subsystem is powered to the radio frequency unit and oscillator, the vibration
Device includes：Digital Frequency Synthesize formula driver, oscillator synchronization device and output circuit, wherein the Digital Frequency Synthesize formula swashs
Encouraging device includes：The temperature-compensating crystal oscillator that is sequentially connected, amplifying circuit, the one or eight frequency divider, four-divider, the two or eight frequency divider,
Vibration and phase discriminator, it is described vibration and phase discriminator further by amplifier with two can frequency divider be connected；
The oscillator synchronization device includes：Energy-storage travelling wave tube, the first triode, the second triode, wherein, the described 1st
The base stage of pole pipe is connected with the energy-storage travelling wave tube, and the base stage of the colelctor electrode of first triode and first triode connects
Connect,
The output circuit includes：Driver, first resistor, the first electric capacity, second resistance, 3rd resistor, the second electric capacity,
4th resistance, the 5th resistance, wherein, the output end of the driver is connected with one end of the first resistor, first electricity
The other end of resistance is connected with the positive pole of the first diode, the negative pole of the diode and first capacitance connection, and described second
Resistance is connected in parallel with first electric capacity, and is further attached to the 3rd resistor, the positive pole of first diode with
The negative pole connection of second diode, the positive pole of second diode are connected to second electric capacity and the 5th resistance, institute
State one end ground connection of the second electric capacity, another termination the 4th resistance.
Further, it is each described can frequency divider use 21 system Counters.
Further, the energy-storage travelling wave tube includes the inductance and capacity cell of plural parallel stage.
Medium wave transmitter apparatus for frequency synthesizing according to embodiments of the present invention, it is possible to achieve closed to the frequency of medium wave transmitter
Into using Digital Frequency Synthesize formula driver, oscillator synchronization device, realizing signal oscillating, circuit structure is relatively easy.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the circuit diagram according to the Digital Frequency Synthesize formula driver of the embodiment of the present invention；
Fig. 2 is the circuit diagram according to the oscillator synchronization device of the embodiment of the present invention；
Fig. 3 is the circuit diagram according to the output circuit of the embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool connects or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
As Figure 1-3, the medium wave transmitter apparatus for frequency synthesizing of the embodiment of the present invention, including：Power subsystem, radio frequency list
Member and oscillator, wherein, power subsystem is powered to radio frequency unit and oscillator, and oscillator includes：Digital Frequency Synthesize formula encourages
Device, oscillator synchronization device and output circuit, wherein Digital Frequency Synthesize formula driver include：The temperature-compensating being sequentially connected is brilliant
Shake, amplifying circuit, the one or eight frequency divider, four-divider, the two or eight frequency divider, vibration and phase discriminator, vibration and phase discriminator enter one
Step by amplifier with two can frequency divider be connected.
Oscillator synchronization device includes：Energy-storage travelling wave tube, the first triode, the second triode, wherein, the base of the first triode
Pole is connected with energy-storage travelling wave tube, and the colelctor electrode of the first triode is connected with the base stage of the first triode,
Output circuit includes：Driver, first resistor, the first electric capacity, second resistance, 3rd resistor, the second electric capacity, the 4th
Resistance, the 5th resistance, wherein, the output end of driver and one end of first resistor connect, the other end of first resistor and first
The positive pole connection of diode, the negative pole of diode and the first capacitance connection, second resistance be connected in parallel with the first electric capacity, goes forward side by side one
Step is connected to 3rd resistor, and the positive pole of the first diode is connected with the negative pole of the second diode, the positive pole connection of the second diode
To the second electric capacity and the 5th resistance, one end of the second electric capacity is grounded, the 4th resistance of another termination.
In one embodiment of the invention, each can frequency divider use 21 system Counters.Energy-storage travelling wave tube includes
The inductance and capacity cell of plural parallel stage.
Medium wave transmitter apparatus for frequency synthesizing according to embodiments of the present invention, it is possible to achieve closed to the frequency of medium wave transmitter
Into using Digital Frequency Synthesize formula driver, oscillator synchronization device, realizing signal oscillating, circuit structure is relatively easy.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from the principle and objective of the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.The scope of the present invention
By appended claims and its equivalent limit.
Claims (3)
- A kind of 1. medium wave transmitter apparatus for frequency synthesizing, it is characterised in that including：Power subsystem, radio frequency unit and oscillator, its In, the power subsystem is powered to the radio frequency unit and oscillator, and the oscillator includes：Digital Frequency Synthesize formula encourages Device, oscillator synchronization device and output circuit, wherein the Digital Frequency Synthesize formula driver includes：The temperature being sequentially connected is mended Repay crystal oscillator, amplifying circuit, the one or eight frequency divider, four-divider, the two or eight frequency divider, vibration and phase discriminator, the vibration and mirror Phase device further by amplifier with two can frequency divider be connected；The oscillator synchronization device includes：Energy-storage travelling wave tube, the first triode, the second triode, wherein, first triode Base stage be connected with the energy-storage travelling wave tube, the colelctor electrode of first triode is connected with the base stage of first triode,The output circuit includes：Driver, first resistor, the first electric capacity, second resistance, 3rd resistor, the second electric capacity, the 4th Resistance, the 5th resistance, wherein, the output end of the driver is connected with one end of the first resistor, the first resistor The other end is connected with the positive pole of the first diode, the negative pole of the diode and first capacitance connection, the second resistance It is connected in parallel with first electric capacity, and is further attached to the 3rd resistor, the positive pole and second of first diode The negative pole connection of diode, the positive pole of second diode are connected to second electric capacity and the 5th resistance, and described the One end ground connection of two electric capacity, another termination the 4th resistance.
- 2. medium wave transmitter apparatus for frequency synthesizing as claimed in claim 1, it is characterised in that can frequency divider use described in each 21 system Counters.
- 3. medium wave transmitter apparatus for frequency synthesizing as claimed in claim 1, it is characterised in that the energy-storage travelling wave tube includes multistage Inductance and capacity cell in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711219389.9A CN107800448B (en) | 2017-11-28 | 2017-11-28 | Medium wave transmitter frequency synthesizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711219389.9A CN107800448B (en) | 2017-11-28 | 2017-11-28 | Medium wave transmitter frequency synthesizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107800448A true CN107800448A (en) | 2018-03-13 |
| CN107800448B CN107800448B (en) | 2023-06-16 |
Family
ID=61537459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711219389.9A Active CN107800448B (en) | 2017-11-28 | 2017-11-28 | Medium wave transmitter frequency synthesizer |
Country Status (1)
| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB711943A (en) * | 1951-11-19 | 1954-07-14 | Rca Corp | Frequency control system for electric oscillation generators |
| JP2008236557A (en) * | 2007-03-22 | 2008-10-02 | Toshiba Corp | Frequency synthesizer and radio communication apparatus using same |
| CN103595425A (en) * | 2013-12-05 | 2014-02-19 | 苏州磐启微电子有限公司 | Two point type wireless transmitter |
| CN205356695U (en) * | 2015-12-09 | 2016-06-29 | 四川亨通网智科技有限公司 | GSM network MR measurement system |
| CN205377851U (en) * | 2015-12-09 | 2016-07-06 | 四川亨通网智科技有限公司 | MR measuring equipment receiving system based on take phase -locked loop local oscillator circuit |
-
2017
- 2017-11-28 CN CN201711219389.9A patent/CN107800448B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB711943A (en) * | 1951-11-19 | 1954-07-14 | Rca Corp | Frequency control system for electric oscillation generators |
| JP2008236557A (en) * | 2007-03-22 | 2008-10-02 | Toshiba Corp | Frequency synthesizer and radio communication apparatus using same |
| CN103595425A (en) * | 2013-12-05 | 2014-02-19 | 苏州磐启微电子有限公司 | Two point type wireless transmitter |
| CN205356695U (en) * | 2015-12-09 | 2016-06-29 | 四川亨通网智科技有限公司 | GSM network MR measurement system |
| CN205377851U (en) * | 2015-12-09 | 2016-07-06 | 四川亨通网智科技有限公司 | MR measuring equipment receiving system based on take phase -locked loop local oscillator circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107800448B (en) | 2023-06-16 |
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