CN106557719A - Control hyperfrequency equipment modulation circuit - Google Patents
Control hyperfrequency equipment modulation circuit Download PDFInfo
- Publication number
- CN106557719A CN106557719A CN201611115536.3A CN201611115536A CN106557719A CN 106557719 A CN106557719 A CN 106557719A CN 201611115536 A CN201611115536 A CN 201611115536A CN 106557719 A CN106557719 A CN 106557719A
- Authority
- CN
- China
- Prior art keywords
- power amplifier
- mcu module
- modulation circuit
- hyperfrequency
- vco modules
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
Landscapes
- Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Transmitters (AREA)
Abstract
Control hyperfrequency equipment modulation circuit, it is related to hyperfrequency i.e. 10 reader device technical fields.It is made up of VCO modules (1), power amplifier (2), MCU module (3);VCO modules (1) are connected with power amplifier (2), and VCO modules (1) are connected with MCU module (3), and power amplifier (2) is connected with MCU module (3).It causes circuit structure to become simple, can more be easy to debug and produce, and signal is higher, and production cost is reduced, and card reader performance is more stable.
Description
Technical field
This patent and hyperfrequency are RFID card reader equipment technical field, more particularly to a kind of control UHF-RFID hyperfrequencies
Equipment modulation circuit.
Background technology
At present, hyperfrequency is the modulation circuit of RFID card reader mainly with a hyperfrequency switch chip control VCO pressure
Carrying out the modulation of the agreements such as ISO18000-6B, ISO18018000-6C, this mode can make electricity to the radiofrequency signal of controlled oscillator
Road is more complicated, modulation trouble, increased the decay of high-frequency signal, increased cost and fault rate.
The content of the invention
The purpose of this patent is to provide control hyperfrequency equipment modulation circuit, and it causes circuit structure to become simple, more can
It is easy to debug and produces, signal is higher, production cost is reduced, card reader performance is more stable.
In order to solve the problems of background technology, this patent is to employ the following technical solutions:It is by VCO modules 1,
Power amplifier 2, MCU module 3 are constituted;VCO modules 1 are connected with power amplifier 2, and VCO modules 1 are connected with MCU module 3, work(
Rate amplifier 2 is connected with MCU module 3.
Frequency error factor switch 2-1 is provided with described power amplifier 2, hyperfrequency switch chip is instead of and is modulated
The modulated signal of the agreements such as ISO18000-6B, ISO18000-6C.
This patent causes circuit structure to become simple, can more be easy to debug and produce, and signal is higher, and production cost is reduced,
Card reader performance is more stable.
Description of the drawings
Fig. 1 is the structural representation of control hyperfrequency equipment modulation circuit in background technology;
Fig. 2 is the structural representation of this patent.
Specific embodiment
With reference to Fig. 1, Fig. 2, this specific embodiment are employed the following technical solutions:It is by VCO modules 1, power amplifier
2nd, MCU module 3 is constituted;VCO modules 1 are connected with power amplifier 2, and VCO modules 1 are connected with MCU module 3, power amplifier 2 with
MCU module 3 connects.
Frequency error factor switch 2-1 is provided with described power amplifier 2, hyperfrequency switch chip is instead of and is modulated
The modulated signal of the agreements such as ISO18000-6B, ISO18000-6C.
This specific embodiment causes circuit structure to become simple, can more be easy to debug and produce, and signal is higher, produces into
This reduction, card reader performance are more stable.
Claims (1)
1. hyperfrequency equipment modulation circuit is controlled, it is characterised in that it is by VCO modules (1), power amplifier (2), MCU module
(3) constitute;VCO modules (1) are connected with power amplifier (2), and VCO modules (1) are connected with MCU module (3), power amplifier
(2) it is connected with MCU module (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611115536.3A CN106557719A (en) | 2016-12-07 | 2016-12-07 | Control hyperfrequency equipment modulation circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611115536.3A CN106557719A (en) | 2016-12-07 | 2016-12-07 | Control hyperfrequency equipment modulation circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106557719A true CN106557719A (en) | 2017-04-05 |
Family
ID=58446126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611115536.3A Pending CN106557719A (en) | 2016-12-07 | 2016-12-07 | Control hyperfrequency equipment modulation circuit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106557719A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101303736A (en) * | 2007-05-08 | 2008-11-12 | 深圳市配天网络技术有限公司 | Multi-protocol ultrahigh frequency reader-writer |
CN202586903U (en) * | 2012-05-08 | 2012-12-05 | 陈志强 | Modulation circuit for controlling passive ultrahigh frequency equipment |
-
2016
- 2016-12-07 CN CN201611115536.3A patent/CN106557719A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101303736A (en) * | 2007-05-08 | 2008-11-12 | 深圳市配天网络技术有限公司 | Multi-protocol ultrahigh frequency reader-writer |
CN202586903U (en) * | 2012-05-08 | 2012-12-05 | 陈志强 | Modulation circuit for controlling passive ultrahigh frequency equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203455853U (en) | RFID ultrahigh frequency reader-writer module | |
CN104935087A (en) | Wireless electric energy and signal synchronous transmission system based on magnetic coupling resonance | |
CN106557719A (en) | Control hyperfrequency equipment modulation circuit | |
CN205212817U (en) | Broadband frequency agility frequency synthesizer | |
CN202586903U (en) | Modulation circuit for controlling passive ultrahigh frequency equipment | |
CN103840846B (en) | A kind of suppression circuit and transceiver reducing local oscillation signal interference | |
CN202153722U (en) | Frequency multiplication circuit | |
CN103971147A (en) | Ultra-high frequency RFID (Radio Frequency Identification) read-write module | |
CN201993778U (en) | Ultrahigh frequency passive tag reader and writer | |
CN203689529U (en) | Wireless radio frequency card reader | |
CN204143468U (en) | A kind of RFID read-write circuit | |
CN107017945A (en) | A kind of optical carrier suppression octonary optical millimeter wave generating device | |
CN202677442U (en) | Voltage amplitude limiting module for antenna in electronic tag | |
CN203261300U (en) | Radio-frequency variable attenuator | |
CN204595197U (en) | Wireless transmission circuit | |
CN202663107U (en) | Voltage amplitude limiting system of antenna signal in radio frequency identification | |
CN203933366U (en) | A kind of optical fiber for Three-phase high-power digitlization variable frequency power supply receives change-over circuit | |
CN204614187U (en) | A kind of have the wireless remote control wideband decoding chip and application circuit thereof that drive function | |
CN205545175U (en) | Wave filter circuit | |
CN203708198U (en) | Up-frequency-converter circuit | |
CN203838735U (en) | Ultrahigh-frequency RFID read-write module | |
CN202677431U (en) | Amplitude limit circuit of antenna in electronic tag | |
CN203414955U (en) | Radio frequency front-end circuit based on RFID | |
CN203691353U (en) | Chip amplifier packaging module | |
CN202798668U (en) | Exclusive-OR gate oscillating circuit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170405 |
|
WD01 | Invention patent application deemed withdrawn after publication |