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DLP-RFID1 Texas Instruments 13.56MHz ISO15693 RFID Reader/Writer visit Texas Instruments
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RI-ANT-S01C-30 Texas Instruments ANTENNA-OTHER visit Texas Instruments
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125 kHz RFID parallel antenna

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125 kHz RFID parallel antenna

Abstract: 125 kHz RFID parallel antenna center flux In a typical RFID antenna coil for 125 kHz, the inductance is often chosen as a few (mH) for a , antenna coil that is resonating at the frequency of the interest (i.e., 125 kHz) is used. This type of , size) frequency = 125 kHz number of turns = 100 Q of antenna coil = 15 AC coil , frequency of interest (i.e., 125 kHz). Voltage drop across the coil is maximized by forming a parallel , few (mH) for 125 kHz devices. Figure 10 shows various configurations of tag antenna coils. The coil
Microchip Technology
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125 kHz RFID parallel antenna center

Abstract: 125 kHz RFID antenna design guide flux In a typical RFID antenna coil for 125 kHz, the inductance is often chosen as a few (mH) for a , antenna coil that is resonating at the frequency of the interest (i.e., 125 kHz) is used. This type of , size) frequency = 125 kHz number of turns = 100 Q of antenna coil = 15 AC coil , frequency of interest (i.e., 125 kHz). Voltage drop across the coil is maximized by forming a parallel , few (mH) for 125 kHz devices. Figure 10 shows various configurations of tag antenna coils. The coil
Microchip Technology
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how to design 13.56 MHz RFID tag

Abstract: 125 kHz RFID antenna design guide Antenna (L) RFID Device (MCRF452) Internal Resonant Capacitor a) Configuration for 125 kHz , Contactless Programmer (125 kHz) Place the RFID test coil at the center of this area TM Place microID , , Microchip Technology Inc., DS21299, ©2001. [8] MicroID TM 125 kHz RFID Design Guide, Microchip Technology , ), resonant capacitor (C), and antenna (L), as shown in Figure 1. The antenna and capacitor form a parallel LC , (read range). The two most common antenna types for RFID tagging applications are: (a) wire-wound coil
Microchip Technology
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how to design 13.56 MHz RFID tag 125 kHz RFID antenna design guide 13.56 MHz RFID reader ic 2 meter range 13.56 MHz spiral antenna printed spiral antenna DS00707 AN830 D-81739 DS00830A DS00830A-

125khz RFID schematic

Abstract: 125khz RFID temic -Dec-00 MLX90109 125kHz RFID Integrated Transceiver Unique Features FAQ Use of a parallel antenna offers , MLX90109 125kHz RFID Integrated Transceiver Features and Benefits - Highly Integrated transmitter-receiver for 125kHz ASK transponders Parallel antenna gives factor of Qreader improved power efficiency over serial antenna implementations Minimum reader PCB size with SO8 reader IC and minimum external , a parallel antenna. This set up requires Qantenna times less current compared to traditional
Melexis
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125khz RFID schematic 125khz RFID temic design antenna rfid reader 125khz pcb antenna 125kHz RFID 125khz coil design temic rfid ISO14000

EM4001

Abstract: 125 kHz RFID READER EM 18 CIRCUIT national regulations. Frequency 125 kHz 13.56 MHz Data rate 500 bit/s. 8 kbit/s 500 bit/s , j L 2 ) + I 1 j M [ Vs ] Am (9) For RFID applications the reader antenna inductivity L , discussed before, the quality factor Q of the reader antenna is a key parameter to a good RFID system , QR = R LR 40.00 (17) 20.00 =[°] [1] (fT): fR=125 kHz 60.00 0.00 -20.00 , 130 129 128 126 125 124 123 121 fT [kHz] (18) Figure 13: Phase shift
EM Microelectronic-Marin
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EM4001 125 kHz RFID READER EM 18 CIRCUIT 125 kHz RFID tag EM4001 EM4001 RFID tag em4100 125khz rfid iso card protocols em 18 rfid CH-1211

125 kHz RFID READER EM 18 CIRCUIT

Abstract: em 18 rfid 70-03 in 1997, which is now relevant for national regulations. Frequency 125 kHz 13.56 MHz , . 2 f 0 LR QR = R LR 40.00 (17) 20.00 =[°] [1] (fT): fR=125 kHz 60.00 , [V ] 131 130 129 128 126 125 124 123 121 fT [kHz] (18) Figure 13 , antenna diameter, the quality factor etc. are given. Figure 16: Parallel resonance circuit at the , resonance). QT, QP - Quality factor of the transponder antenna (parallel resonance). r0 m
EM Microelectronic-Marin
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RFID READER EM 18 CIRCUIT RFID EM 18 125 kHz RFID EM 18 RFID protocol communication em4001 number of turns of ferrite antenna at 125khz EM4050 H-2074 F-75008 D-65760

IRF740N

Abstract: PSK reader microIDTM 125 kHz RFID SYSTEM DESIGN GUIDE M microIDTM 125 kHz RFID System Design Guide , power for operation from the reader field. 125 kHz and 13.56 MHz tag designs must operate over a vast , . In these examples the ISO frequencies of 125 kHz and 13.56 MHz are assumed; higher frequencies are , a true RF link. 125 kHz and 13.56 MHz, utilize transformer-type electromagnetic coupling. © 1998 , Typical operates at 125 kHz · On chip rectifier and voltage regulator · Ultra low power operation ·
Microchip Technology
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IRF740N PSK reader vlf metal detector schematic PIC16F84-04-P equivalent MCT0003-001 5043CX100R0J MCRF200 MCRF250 DS51115D- DS51115

METAL DETECTOR PROGRAM PIC16F84

Abstract: PSK reader M microIDTM 125 kHz RFID System Design Guide INCLUDES: · · · · · · · · · · © 1998 , frequencies of 125 kHz and 13.56 MHz are assumed; higher frequencies are used for RFID tagging but the communication methods are somewhat different. 2.45 GHz, for example, uses a true RF link. 125 kHz and 13.56 , field. 125 kHz and 13.56 MHz tag designs must operate over a vast dynamic range of carrier input , supports 48 and 64-bit protocols) · Typical operates at 125 kHz · On chip rectifier and voltage
Microchip Technology
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METAL DETECTOR PROGRAM PIC16F84 RFID FSK RFID reader SOURCE CODE ,microchip 2N2907A TO-92 de9s-frs PIC16F84-10/P Transponder motorola 11F-3 DK-2750

Tag Tuning

Abstract: active rfid tag circuit diagram affects operational reliability and read/write range. Generally, both 13.56 MHz and 125 kHz RFID tags use , overview of basic tag antenna tuning. Tag Tuning/RFID Antenna Equivalent Circuit The RFID circuit , below. 3 2055A­RFID­07/02 Antenna Selection with 10 pf Integrated Tuning Cap Synopsis It is , parallel with the antenna coil, forming a resonant circuit. Nonlinearity of the internal tuning capacitor does not significantly affect RFID performance when an external capacitor is used to tune the antenna
Atmel
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Tag Tuning active rfid tag circuit diagram matching RFID loop antenna 13.56 RFID loop antenna 134 KHz 125 kHz RFID parallel antenna small loop antenna 13.56

2n2222 to-92

Abstract: METAL DETECTOR PROGRAM PIC16F84 M microIDTM 125 kHz RFID System Design Guide INCLUDES: · · · · · · · · · · © 1998 , frequencies of 125 kHz and 13.56 MHz are assumed; higher frequencies are used for RFID tagging but the communication methods are somewhat different. 2.45 GHz, for example, uses a true RF link. 125 kHz and 13.56 , field. 125 kHz and 13.56 MHz tag designs must operate over a vast dynamic range of carrier input , supports 48 and 64-bit protocols) · Typical operates at 125 kHz · On chip rectifier and voltage
Microchip Technology
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2n2222 to-92 1N4148 DL-35 DATA SHEET OF transistor 2N2222 to-92 DL-41 package 125 kHz RFID EM L7805CV 5V 1A voltage regulator QS-9000

FSK ask psk

Abstract: 3M 7246 ) Antenna (L) C Internal Resonant Capacitor a) Configuration for 125 kHz RFID devices (MCRF200 , Programmer (125 kHz) Place the RFID test coil at the center of this area Place microID Sample here , [8] MicroIDTM 125 kHz RFID Design Guide, Microchip Technology Inc., DS51115 2002 Microchip , for maximum performance (read range). The two most common antenna types for RFID tagging , (printed/stamped) antenna types. The COB is made by packaging a resonant capacitor and an RFID device
Microchip Technology
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FSK ask psk 3M 7246 125 kHz RFID parallel antenna center AN707 RFID RFID printed spiral antenna 125 kHz RFID tag antenna D-85737 DS00830B-

T5567

Abstract: 125kHz RFID antenna Introduction Congratulations on your purchase of Atmel's AVR® based 125 kHz RFID Evaluation Kit. This Evaluation Kit is a complete stand-alone RFID system that demonstrates the Atmel approach to 125 kHz RFID , based 125 kHz Evaluation Kit User Guide 4-1 5216A­RFID­04/08 2.4 Writing a Tag The steps to , connections 5-2 5216A­RFID­04/08 AVR based 125 kHz Evaluation Kit User Guide The reader board , two years. AVR based 125 kHz Evaluation Kit User Guide 5-3 5216A­RFID­04/08 Note: If
Atmel
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T5567 125kHz RFID antenna 125KHz rfid reader passive rfid tag circuit diagram ATA2270-EK1 rfid reader

Ferrite core 13.56 MHz RFID tag inductor antennas

Abstract: 0.156 microhenry inductor 13.56 MHz is relatively longer than that of 125 kHz device. This is because the antenna efficiency , . INTRODUCTION Passive RFID tags utilize an induced antenna coil voltage for operation. This induced AC voltage , device must be equipped with a proper antenna circuit for successful RFID applications. An RF signal , difficult to form a true antenna for most RFID applications. Alternatively, a small loop antenna circuit , , calculation and measurement of inductance, an antenna tuning method, and read range in RFID applications
Microchip Technology
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AN710 Ferrite core 13.56 MHz RFID tag inductor antennas 0.156 microhenry inductor Ferrite core 125 KHz RFID tag inductor antennas LC resonant RFID loop antenna 13.56MHz inductors 10 micro henry

125 kHz RFID antenna

Abstract: ATA5777 for a maximum magnetic H field of 37.7 dBµA/m at 10 meters from the antenna at 135 kHz. This is close enough to 125 kHz. Thus: H < 1037.7/20 = 76.7 µA/m. The FCC regulation FCC, Part 15, Section 15.209 calls for a maximum electric E field of 2400/(f kHz) µV/m at 300 meters from the antenna. Thus: E < 2400/125 = 19.2 µV/m. Maxwell's Equations The fields of any antenna are calculated using Maxwell , Proof of ETSI and FCC Compliance of RFID Reader and Wake-up Driver ICs U2270B Atmel Products
Atmel
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ATA5777 ATA5275 125 kHz RFID antenna antenna retarded square loop antenna reactance square loop antenna matching RFID loop antenna EN300330

DIL-10

Abstract: MLX90109 PROTOCOL consists of a single chip inductive RFID reader for the 125 kHz frequency range with an external inductance (L) and capacitance (C) connected as a parallel resonant circuit. The antenna voltage amplitude , extended control options on the voltage on the MODU pin. The EVB90109 can be used as a 125 kHz reader, to , parallel on the antenna. This circuit is accessible through a digital pin on the DIL-10 connector , . 3 2.2 PARALLEL ANTENNA
Melexis
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MLX90109 PROTOCOL DIL10 RFID loop antenna design circuit diagram of rfid and pin controlled door l circuit diagram door control using RFID RFID 125khz coil ISO14001

DIL-10

Abstract: consists of a single chip inductive RFID reader for the 125 kHz frequency range with an external inductance (L) and capacitance (C) connected as a parallel resonant circuit. The antenna voltage amplitude , for extended control options on the voltage on the MODU pin. The EVB90109 can be used as a 125 kHz , parallel on the antenna. This circuit is accessible through a digital pin on the DIL-10 connector , . 3 2.2 PARALLEL ANTENNA
Melexis
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ferrite antenna 125 khz

Abstract: 125 kHz RFID parallel antenna NEW PREMO KGEA-DH Keyless go Emitter Antenna 1 38x24x11.5mm (33 uH - 470 uH) RFID Transponder Inductors Features Door handle designed antenna for emission of a LF field to allow hands free , Antenna 1 38x24x11 .5mm (33 uH - 470 uH) Nomenclature description RFID Transponder Inductors Q >60 >50 , frequency o f 125 kHz. Any other inductance value at LF or tighter tolerances can be provided. Please , C: Tunning internal capacitor NPO Rdc: Diagnostic parallel resistor (typical 10 kO) Z: External
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OCR Scan
ferrite antenna 125 khz 134.2kHz ferrite antenna antenna 125khz A0633 KGEA-DH-A-0192J KGEA-DH-A-0422J KGEA-DH-A-0633J KGEA-DH-A-0931J KGEA-DH-B-0033J KGEA-DH-B-0108J

lm7805cv

Abstract: planar spiral coil microID® 125 kHz RFID System Design Guide 2004 Microchip Technology Inc. DS51115F DATA , , etc. Low frequency bands (125 kHz-400 kHz) were traditionally used in RFID applications. This was , Signal Passive RFID Tag RS-232 Host Computer DS00680C-page 1 microID® 125 kHz Design , . MCRF200 125 kHz microID® Passive RFID Device Features: Package Type · Factory programming and , microID® 125 kHz Design Guide is a passive Radio Frequency Identification (RFID) device for low-frequency
Microchip Technology
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lm7805cv planar spiral coil PG103001 DS00680C 4-henry choke PIC16F84-04-P DS51115F-

Ferrite core 13.56 MHz RFID tag inductor antennas

Abstract: AN707 RFID . 27 Review of a Basic Theory for RFID antenna Design , power for operation from the reader field. 125 kHz and 13.56 MHz tag designs must operate over a vast , . In these examples the ISO frequencies of 125 kHz and 13.56 MHz are assumed; higher frequencies are , , uses a true RF link. 125 kHz and 13.56 MHz, utilize transformer-type electromagnetic coupling , -turn antenna coil (L2). The two are connected in parallel. The transistor is designed to result in less than
Microchip Technology
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Hf spiral loop antenna design RFID Antenna design fed board 512 812 relay Bandpass filter SAW 2.4 GHz 50 Ohm 3 phase inverter schematic diagram pic ac motor code hex Antenna Coil 13.5 Mhz RFID design MCRF355/360 DS21299A-

134 kHz RFID antenna design

Abstract: RFID loop antenna design Units V kHz % mVpp V V V µA mA mA (Depends on the resonance frequency of the antenna) Fres = 125 kHz , Power and high performances Unique Parallel Antenna concept for maximum power efficiency. Power down , to 150kHz, and designed for use with a parallel L-C antenna. This concept requires significantly less , Sheet Jun/12 MLX90109 125kHz RFID Transceiver 8 System design parameters The antenna internal , , resulting in antenna currents of about 100mA This current resonance of the parallel antenna allows to build
Melexis
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MLX90109EDC-AAA-000-RE 134 kHz RFID antenna design 125khz 1m range rfid reader 125kHz RFID parallel antenna PCB RFID Antenna 125KHz interface RFID 125KHZ 125KHz RFID reader design AAA-000 SOIC150M
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