WO2016029665A1 - 一种有源13.56MHz RFID装置 - Google Patents

一种有源13.56MHz RFID装置 Download PDF

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Publication number
WO2016029665A1
WO2016029665A1 PCT/CN2015/072992 CN2015072992W WO2016029665A1 WO 2016029665 A1 WO2016029665 A1 WO 2016029665A1 CN 2015072992 W CN2015072992 W CN 2015072992W WO 2016029665 A1 WO2016029665 A1 WO 2016029665A1
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Prior art keywords
antenna
chip
end chip
active
rfid device
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PCT/CN2015/072992
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English (en)
French (fr)
Inventor
韩静
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北京握奇数据系统有限公司
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Application filed by 北京握奇数据系统有限公司 filed Critical 北京握奇数据系统有限公司
Priority to SG11201701460YA priority Critical patent/SG11201701460YA/en
Priority to EP15836135.2A priority patent/EP3188085B1/en
Priority to US15/506,493 priority patent/US20170270400A1/en
Priority to GB1702424.1A priority patent/GB2543465B/en
Publication of WO2016029665A1 publication Critical patent/WO2016029665A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G06K19/07775—Antenna details the antenna being on-chip
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs

Definitions

  • the present invention relates to the field of 13.56 MHz radio frequency communication technology, and in particular to a miniaturized active 13.56 MHz RFID device.
  • the current 13.56MHz RFID active solution is mainly used in the field of mobile payment, such as mobile payment card SIMPASS, or placed on the traditional SIM card RF front-end chip and antenna, which can be placed in the mobile phone, can achieve non-contact swipe, but its use The environment and size are also limited.
  • the present invention is directed to a miniaturized active 13.56 MHz RFID device proposed for this problem.
  • an object of the present invention is to provide an active 13.56 MHz RFID device, by which the application requirements of the contactless IC card can be better satisfied.
  • An active 13.56 MHz RFID device includes a body having an SE chip, an interface and an internal antenna, the device further comprising a radio frequency front end chip, the interface comprising a power interface, and an ISO/IEC 7816 for operating the SE chip An interface and an SPI interface for register parameter setting of the RF front-end chip, the RF front-end chip being coupled to the reader antenna through an internal antenna or an external antenna, or the RF front-end chip passing through a combined antenna of the internal antenna and the external antenna Antenna coupling.
  • the internal antenna is connected to the RF input/output of the RF front end chip.
  • the external antenna is connected to the RF input/output of the RF front-end chip.
  • the internal antenna and the external antenna are connected in parallel and connected to the RF input/output of the RF front-end chip.
  • the internal antenna and the external antenna are connected in series and connected to the RF input/output of the RF front-end chip.
  • the power interface is respectively connected to a power pin of the SE chip and the RF front end chip, or the power interface is only connected to a power pin of the RF front end chip.
  • an active 13.56 MHz RFID device as described above has a body as a circuit board.
  • an active 13.56 MHz RFID device as described above is soldered to other circuit boards by pads.
  • an active 13.56 MHz RFID device as described above has a package size of 8.4 mm x 6 mm.
  • the active 13.56 MHz RFID device of the present invention has an internal antenna, and can switch to an external antenna if the built-in antenna does not meet the requirements, or can jointly apply an internal antenna and an external antenna to satisfy Card requirements in different environments.
  • This device can be applied to a variety of wearable devices, such as watches, wristbands, and other 13.56MHz RFID. In active systems, and to ensure better non-contact performance.
  • FIG. 1 is a structural diagram of an active 13.56 MHz RFID device according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram showing the working principle of an active 13.56 MHz RFID device according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of connection between a radio frequency front end chip and an internal antenna according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a connection between a radio frequency front end chip and an external antenna according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a connection between a radio frequency front end chip and a combined antenna (in parallel with an internal antenna and an external antenna) according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram showing the connection between a radio frequency front end chip and a combined antenna (the internal antenna and the external antenna are connected in series) according to an embodiment of the present invention.
  • the device is mainly disposed in four parts of the body 1, and includes an SE chip 2, a radio frequency front end chip 4 interface, and an internal antenna 3, wherein
  • the interface includes a power interface 5, an ISO/IEC 7816 interface 6 for operating the SE chip 2, and an SPI interface 7 for register parameter setting of the RF front end chip 4, the RF front end chip 4 passing through the internal antenna 3 or external
  • the antenna 8 is coupled to the reader/writer antenna 9, or the RF front-end chip 4 is coupled to the reader/writer antenna 9 via a combined antenna of the internal antenna 3 and the external antenna 8.
  • the RF front-end chip 4 demodulates the signal of the reader/writer 10 obtained by the antenna coupling, and transmits the demodulated signal to the SE chip 2, or the RF front-end chip 4 performs the response signal of the received SE chip 2. After modulation, it is sent to the reader/writer 10 through the antenna.
  • the power interface 5 in the interface is used to supply the DC voltage of the whole circuit.
  • the power interface 5 can be respectively connected to the power pins of the SE chip 2 and the RF front end chip 4, or only the power supply of the RF front end chip 4.
  • Pin connection that is, when the device is in operation, the external power supply can directly supply power to the SE chip 2 and the RF front end chip 4 through the power interface 5; or, the power interface 5 only supplies power to the RF front end chip 4, and the RF front end
  • the output voltage of the chip 4 itself supplies power to the SE chip 2.
  • the SE chip can be powered by the SPI (Serial Peripheral Interface) interface to set the parameters of the RF front end chip register, or by connecting the RF front end chip 4
  • the external control port (such as the MCU port) controls the voltage output of the SE chip, or the RF front-end chip 4 supplies power to the SE chip through an analog non-contact channel that transmits signals with the SE chip.
  • the ISO/IEC 7816 interface 6 is used to operate the SE chip 2, such as writing/reading data.
  • the SPI interface 7 is used to set the register parameters of the RF front end chip 4.
  • the internal antenna 3 is used for spatial coupling with the external reader antenna 9, and the data waveforms are interactive.
  • the body 1 described in this embodiment is a circuit board, and the device can be soldered to other circuit boards (such as a PCB board) through pads.
  • the RFID device of the present invention can be made into a sufficiently small size to accommodate more application environments, for example, the package can be made to have a size of 8.4 mm x 6 mm.
  • the RFID device in this embodiment implements data interaction with the reader/writer 10 through the internal antenna 3 or the external antenna 8 or the combination of the combined antenna of the internal antenna 3 and the external antenna 8 and the reader/writer antenna 9 to meet different usage environments.
  • the non-contact performance under demand conditions is optimized as follows:
  • the internal antenna 3 inside the device satisfies the need for use, when the external antenna 8 is not required to be connected, that is, when the RF front end chip 4 is directly connected to the internal antenna 3, the internal antenna 3 is connected to the RF input/output of the RF front end chip 4.
  • the a pin and the b pin indicate the RF front-end chip input/output terminals (including peripheral circuits), and the c-pin and d-pin are the two ends of the internal antenna 3 in the device, and the a-tube The foot and the d-pin are connected together, and the b-pin (Antenna 2) and the c-pin (Antenna 3) are connected together.
  • the external antenna 8 is required, that is, when the RF front end chip 4 is directly connected to the external antenna 8, the external antenna 8 is connected to the RF input/output of the RF front end chip 4.
  • the a pin and the b pin are connected to both ends of the external antenna 8, and the two pins c and d of the internal antenna 3 are suspended without any connection.
  • the internal antenna 3 or the external antenna 8 When the internal antenna 3 or the external antenna 8 is not used alone, when the internal 3 and the external antenna 8 need to be used together, two combinations are provided in the present embodiment, one is that the internal antenna 3 and the external antenna 8 are connected in parallel, and the other is One is that the internal antenna 3 and the external antenna 8 are connected in series, that is, the internal antenna and the external antenna are connected in parallel or in series and connected to the RF front end chip.
  • one end of the RF input/output of the RF front end chip 4 and one end of the internal antenna 3 are connected to one end of the external antenna 8, and the other end of the RF input/output of the RF front end chip 4 and the other end of the internal antenna 3 are both The other end of the external antenna 8 is connected.
  • the a pin and the c pin are connected to one end of the external antenna 8, and the b pin and the d pin are connected to the other end of the external antenna 8.
  • one end of the RF input/output of the RF front end chip 4 is connected to one end of the internal antenna 3, and the other end of the RF input/output of the RF front end chip 4 and the other end of the internal antenna 3 are respectively connected to both ends of the external antenna 8. .
  • the a pin is connected to one end of the external antenna 8
  • the d pin is connected to the other end of the external antenna 8
  • the b pin and the c pin are connected together.
  • the RFID device of the present invention can form a separate application module by being packaged, wherein in the production process, the RF input/output of the RF front end chip 4 and both ends of the internal antenna 3 are in a floating state, and in actual use, according to It is necessary to decide which of the above connection methods is used, and to connect according to the above connection manner according to the selected manner.
  • the radio frequency front end chip 4 in this embodiment includes the radio frequency chip itself and its peripheral circuits. In the actual circuit, the radio frequency front end chip 4 is connected to other components through its peripheral circuit.
  • the internal antenna 3 or the external antenna 8 or the combined antenna is connected to the input and output of the RF front-end chip 4
  • the internal antenna 3 or the external antenna 8 or the combined antenna is connected to the peripheral circuit of the RF input/output of the RF front-end chip 4.
  • the above-mentioned pins a, b, c, and d are only schematically illustrated, and the connection manner between the pins a and b, c and d is interchangeable.
  • the "internal" and “external" of the internal antenna 3 and the external antenna 8 described above have no substantial meaning, but are merely added to distinguish whether or not the antenna is disposed inside the device.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

本发明公开了一种有源13.56MHz RFID装置，包括本体(1)，本体(1)上设有SE芯片(2)、接口和内部天线(3)，该装置还包括射频前端芯片(4)，所述接口包括电源接口(5)、用于对SE芯片(2)进行操作的ISO/IEC7816接口(6)和用于对射频前端芯片(4)进行寄存器参数设置的SPI接口(7)，所述射频前端芯片(4)通过内部天线(3)或外部天线(8)与读写器天线(9)耦合，或者射频前端芯片(4)通过内部天线(3)和外部天线(8)的组合天线与读写器天线(9)耦合。该装置可以通过内部天线与外部天线的灵活切换或者共同使用，使装置的非接触性能最优化，大大提升了不同应用环境下的用卡需求。

Description

一种有源13.56MHz RFID装置 技术领域
本发明涉及13.56MHz射频通信技术领域，具体涉及一种小型化的有源13.56MHz RFID装置。
背景技术
在现有技术下，小面积的13.56MHz(高频)RFID无源非接触IC卡在满足复杂的非接触使用环境的前提下，面积不可能无限小。但随着13.56MHzRFID技术以及市场的日益发展，存在非接触IC卡小型化的需求，例如放在腕带里，但是由于卡片面积有限，无源非接触IC卡存在非接触性能不佳的问题，很难满足产品的使用要求，所以需要使用有源小型化非接触IC卡来满足要求。
现在的13.56MHz RFID有源方案主要应用在移动支付领域，如手机支付卡SIMPASS，或者在传统的SIM卡上放置射频前端芯片和天线，其放在手机内，可以实现非接触刷卡，但是其使用环境和尺寸也被限制。本发明正是针对该问题而提出的一种小型化的有源13.56MHz RFID装置。
发明内容
针对现有技术中存在的缺陷，本发明的目的在于提供一种有源13.56MHzRFID装置，通过该装置能够更好的满足非接触IC卡的应用需求。
为实现上述目的，本发明采用的技术方案如下：
一种有源13.56MHz RFID装置，包括本体，本体上设有SE芯片、接口和内部天线，该装置还包括射频前端芯片，所述接口包括电源接口、用于对SE芯片进行操作的ISO/IEC7816接口和用于对射频前端芯片进行寄存器参数设置的SPI接口，所述射频前端芯片通过内部天线或外部天线与读写器天线耦合，或者射频前端芯片通过内部天线和外部天线的组合天线与读写器天线耦合。
进一步，如上所述的一种有源13.56MHz RFID装置，射频前端芯片与内部天线连接时，内部天线与射频前端芯片的射频输入/输出连接。
进一步，如上所述的一种有源13.56MHz RFID装置，射频前端芯片与外部天线连接时，外部天线与射频前端芯片的射频输入/输出连接。
进一步，如上所述的一种有源13.56MHz RFID装置，射频前端芯片与组合天线连接时，内部天线和外部天线并联后与射频前端芯片的射频输入/输出连接。
进一步，如上所述的一种有源13.56MHz RFID装置，射频前端芯片与组合天线连接时，内部天线和外部天线串联后与射频前端芯片的射频输入/输出连接。
进一步，如上所述的一种有源13.56MHz RFID装置，所述电源接口分别与SE芯片和射频前端芯片的电源引脚连接，或者所述电源接口只与射频前端芯片的电源引脚连接。
进一步，如上所述的一种有源13.56MHz RFID装置，本体为电路板。
再进一步，如上所述的一种有源13.56MHz RFID装置，该装置通过焊盘焊接在其它电路板上。
更进一步，如上所述的一种有源13.56MHz RFID装置，该装置封装后的尺寸为8.4mm×6mm。
本发明的有益效果在于：本发明的有源13.56MHz RFID装置，其内置天线，而且在内置天线不满足要求的情况下，可以切换到外部天线，或者可以共同应用内部天线和外部天线，来满足不同环境下的用卡需求。此装置可以应用在各种穿戴设备上，例如手表、腕带中，也可以应用在其他13.56MHzRFID 有源系统中,并且保证较佳的非接触性能。
附图说明
图1为本发明具体实施方式中一种有源13.56MHz RFID装置的结构图；
图2为本发明具体实施方式中一种有源13.56MHz RFID装置的工作原理示意图；
图3为本发明具体实施方式中射频前端芯片与内部天线的连接示意图；
图4为本发明具体实施方式中射频前端芯片与外部天线的连接示意图；
图5为本发明具体实施方式中射频前端芯片与组合天线(内部天线和外部天线并联)的连接示意图；
图6为本发明具体实施方式中射频前端芯片与组合天线(内部天线和外部天线串联)的连接示意图。
具体实施方式
下面结合说明书附图与具体实施方式对本发明做进一步的详细说明。
图1示出了本发明具体实施方式中一种有源13.56MHz RFID装置的结构图，该装置主要设置在本体1的四部分，包括SE芯片2、射频前端芯片4接口和内部天线3，其中，接口包括电源接口5、用于对SE芯片2进行操作的ISO/IEC7816接口6和用于对射频前端芯片4进行寄存器参数设置的SPI接口7，所述射频前端芯片4通过内部天线3或外部天线8与读写器天线9耦合，或者射频前端芯片4通过内部天线3和外部天线8的组合天线与读写器天线9耦合。
图2为本发明具体实施方式中一种有源13.56MHz RFID装置的工作原理示意图，其中SE芯片2(Secure Element芯片)具有写入数据和存储数据的能力，其存储器中的内容根据需要可以有条件地供外部读取，或供内部信息处理和判定之用，并且为防止外部恶意解析攻击，保护数据安全，在芯片中具有加密/解密算法。其将对接收的数据进行响应，并将响应数据传送给射频前端芯片。
射频前端芯片4对通过天线耦合得到的读写器10的信号进行解调后，并将解调后的信号发送给SE芯片2，或者射频前端芯片4对接收到的SE芯片2的响应信号进行调制后，通过天线发送给读写器10。
接口中的电源接口5用于供给整个电路工作的直流电压，本实施方式中，电源接口5可以分别与SE芯片2和射频前端芯片4的电源引脚连接，或者只与射频前端芯片4的电源引脚连接，也就是说，装置在工作时，外部电源可以通过电源接口5分别给SE芯片2和射频前端芯片4两芯片直接供电；或者，电源接口5仅给射频前端芯片4供电，射频前端芯片4本身输出电压给SE芯片2供电，这时可以通过SPI(Serial Peripheral Interface--串行外设接口)接口设置射频前端芯片寄存器参数的方式给SE芯片供电，或者通过在射频前端芯片4连接外部控制端口(如MCU端口)的方式来控制是否对SE芯片进行电压输出，或者是射频前端芯片4通过与SE芯片传输信号的模拟非接触通道给SE芯片供电。
所述ISO/IEC7816接口6用于操作SE芯片2，例如写入\读出数据。
SPI接口7用于设置射频前端芯片4的寄存器参数。
内部天线3用于与外部读写器天线9的空间耦合，数据波形交互。
其中，本实施方式中所述的本体1为电路板，该装置可以通过焊盘焊接在其它电路板上(如PCB板)。本发明的RFID装置可以做成足够小的尺寸，可适应更多应用环境，例如该装置封装后的尺寸可以做成8.4mm×6mm。
本实施方式中的RFID装置通过内部天线3或者外部天线8或者内部天线3与外部天线8的组合天线与读写器天线9的耦合实现与读写器10的数据交互，来满足不同的使用环境需求条件下的非接触性能最优化，具体如下：
(1)内部天线模式
当装置内部的内部天线3满足使用所需，不需要连接外部天线8时，即射频前端芯片4与内部天线3直接连接时，内部天线3与射频前端芯片4的射频输入/输出连接。
如图3所示，图中a管脚和b管脚表示射频前端芯片输入\输出两端(包括外围电路)，c管脚和d管脚是装置中内部天线3的两端，将a管脚和d管脚连接在一起，将b管脚(Antenna2)和c管脚(Antenna3)连接在一起。
(2)外部天线模式
当内部天线3不满足要求，需要使用外部天线8时，即射频前端芯片4与外部天线8直接连接时，外部天线8与射频前端芯片4的射频输入/输出连接。
如图4所示，将a管脚和b管脚连接外部天线8的两端，将内部天线3的两个管脚c和d悬空，不进行任何连接。
(3)组合天线模式
当单独使用内部天线3或外部天线8均不满足要求，需要共同使用内部3和外部天线8时，本实施方式中提供了两种组合方式，一种是内部天线3和外部天线8并联，另一种是内部天线3和外部天线8串联，即内部天线和外部天线并联或串联后与射频前端芯片连接。
(3.1)内部天线3和外部天线8并联
此时，射频前端芯片4的射频输入/输出的一端和内部天线3的一端均与外部天线8的一端连接，射频前端芯片4的射频输入/输出的另一端与内部天线3的另一端均与外部天线8的另一端连接。
如图5所示，将a管脚和c管脚连接外部天线8的一端，将b管脚和d管脚连接外部天线8的另一端。
(3.2)内部天线3和外部天线8串联
此时，射频前端芯片4的射频输入/输出的一端与内部天线3的一端连接，射频前端芯片4的射频输入/输出的另一端和内部天线3的另一端分别与外部天线8的两端连接。
如图6所示，将a管脚连接外部天线8的一端，将d管脚连接外部天线8的另一端，将b管脚和c管脚连接在一起。
本发明的RFID装置，可以通过封装形成独立的应用模块，其中，在生产过程中，射频前端芯片4的射频输入/输出和内部天线3的两端都处于悬空状态，在实际使用时，再根据需要决定采用上述几种连接方式中的哪种，并根据选定的方式按照上述连接方式进行连接。
需要说明的，本实施方式中的射频前端芯片4包括射频芯片本身及其外围电路，在实际电路中，射频前端芯片4是通过其外围电路的与其它部件连 接的，对于本实施方式中，内部天线3或外部天线8或组合天线与射频前端芯片4的输入输出连接时，都是与射频前端芯片4的射频输入/输出的外围电路连接。此外，本实施方式中上述管脚a、b、c、d只是示意性说明，管脚a和b，c和d之间的连接方式是可以互换的。上述的内部天线3和外部天线8的“内部”和“外部”并没有实质性的意义，只是为了区分天线是否设置在装置的内部而增加的说明。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其同等技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (9)

  1. 一种有源13.56MHz RFID装置，包括本体(1)，本体(1)上设有SE芯片(2)、接口和内部天线(3)，其特征在于：该装置还包括射频前端芯片(4)，所述接口包括电源接口(5)、用于对SE芯片(2)进行操作的ISO/IEC7816接口(6)和用于对射频前端芯片(4)进行寄存器参数设置的SPI接口(7)，所述射频前端芯片(4)通过内部天线(3)或外部天线(8)与读写器天线(9)耦合，或者射频前端芯片(4)通过内部天线(3)和外部天线(8)的组合天线与读写器天线(9)耦合。
  2. 如权利要求1所述的一种有源13.56MHz RFID装置，其特征在于：射频前端芯片(4)与内部天线(3)连接时，内部天线(3)与射频前端芯片(4)的射频输入/输出连接。
  3. 如权利要求1所述的一种有源13.56MHz RFID装置，其特征在于：射频前端芯片(4)与外部天线(8)连接时，外部天线(8)与射频前端芯片(4)的射频输入/输出连接。
  4. 如权利要求1所述的一种有源13.56MHz RFID装置，其特征在于：射频前端芯片(4)与组合天线连接时，内部天线(3)和外部天线(8)并联后与射频前端芯片(4)的射频输入/输出连接。
  5. 如权利要求1所述的一种有源13.56MHz RFID装置，其特征在于：射频前端芯片(4)与组合天线连接时，内部天线(3)和外部天线(8)串联后与射频前端芯片(4)的射频输入/输出连接。
  6. 如权利要求1至5之一所述的一种有源13.56MHz RFID装置，其特征在于：所述电源接口(5)分别与SE芯片(2)和射频前端芯片(4)的电源引脚连接，或者所述电源接口(5)只与射频前端芯片(4)的电源引脚连接。
  7. 如权利要求1至5之一所述的一种有源13.56MHz RFID装置，其特征在于：本体(1)为电路板。
  8. 如权利要求7所述的一种有源13.56MHz RFID装置，其特征在于：该装置通过焊盘焊接在其它电路板上。
  9. 如权利要求7所述的一种有源13.56MHz RFID装置，其特征在于：该装置封装后的尺寸为8.4mm×6mm。
PCT/CN2015/072992 2014-08-26 2015-02-13 一种有源13.56MHz RFID装置 WO2016029665A1 (zh)

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EP15836135.2A EP3188085B1 (en) 2014-08-26 2015-02-13 Active 13.56mhz rfid device
US15/506,493 US20170270400A1 (en) 2014-08-26 2015-02-13 AN ACTIVE RFID DEVICE OF 13.56MHz
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