IPS Group IPS2016RFID RFID Module User Manual Operation Description

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Document ID	3148595
Application ID	er+hoTlEV2f1Qf8rH4gztw==
Document Description	User Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	9.11kB (113930 bits)
Date Submitted	2016-09-27 00:00:00
Date Available	2017-03-20 00:00:00
Creation Date	2016-09-27 09:17:02
Producing Software	GPL Ghostscript 8.15
Document Lastmod	2016-09-27 09:17:02
Document Title	Microsoft Word - Operation Description
Document Creator	PScript5.dll Version 5.2.2
Document Author:	Zhang-Cn

IPS GROUP RFID MODULE
Product Overview:
The IPS RFID Module permits the standalone reader to be remotely located within IPS parking
metering products. The RFID Module is a fully integrated 13.56 MHz RFID analog front end and
data framing reader system.
Key Features:
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Complete RFID reader system implemented
TRF7960 is controlled by the Ultra-low power MSP430 microcontroller
On board PCB antenna
Independent, on board LED indicators to identify detection of the tags supported.
Antenna Impedance Matching
A three element match is used as it has the added advantage of allowing the circuit Q to be a
chosen value and unity gain matched.
Impedance matching is calibrating the network analyzer. This is done by connecting a RF test
connector on three blank circuit boards, one with a 50 load, second with a short (0-Ω resistor),
and third with an open. By using the application board in the calibration, PCB parasitic effects are
accounted for.
Following the calibration step, the antenna trace is connected to the test connector as required by
0-Ω resistors. The antenna trace is measured and the resulting measurement is the starting
impedance which is matched to 50 Ω.
The measured antenna impedance (0.4648 + j107.42) at 13.56 MHz. A minimum bandwidth
(BW) of 2 MHz was chosen in order to accommodate the upper and lower RFID sidebands for
various data rates given in ISO15693 & ISO14443 A/B.
As a final test to ensure the antenna elements will radiate, a test set up was established. A 0-dBm
CW signal is applied to the Tx antenna; the Rx antenna is placed 8.5 inches from the Tx antenna
(the width of a standard piece of office paper). The output from the Rx antenna is measured on a
spectrum analyzer which shows a –49.5-dBm signal level. Both Tx & Rx antenna are PCB RFID
reader antennas.
FCC/IC Warning
“Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment”
“This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.”
“(1) This device may not cause interference; and (2) This device must accept any interference,
including interference that may cause undesired operation of the device.
1) l’appareil ne doit pas produire de brouillage; 2) l’appareil doit accepter tout brouillage
radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement.“

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Create Date                     : 2016:09:27 09:17:02
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Title                           : Microsoft Word - Operation Description
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Author                          : Zhang-Cn

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