Texas Instruments COM320 Radio Frequency Identification Device User Manual

Texas Instruments Inc Radio Frequency Identification Device Instructions

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User Manual Instructions

Operate to Test & Instruction Manual FCC ID: A92COM3208578.doc1 of 3Excerpt from Word97 test report file “005-A92COM320.doc”, Attachment 2, pages 25 & 26Attachment 2Operate to TestThe Tag-it Commander is the reader in the system. It is designed to operate with loop antennas havingdimensions of 7.25” (L) x 3.5” (W) or less. Smaller dimension antennas may be employed in order to addressapplications that have limited space and shorter read range requirements such as the installation of the Tag-itreader in a printer that would also apply the transponder or read a transponder that had been applied to a page orobject that was to presented to the printer to receive an imprint. Such antennas could be fabricated on a printedwiring board assembly rather than being a wire loop enclosed in a plastic case such as shown in page 2(Word97 file: “a92SwRIpic.doc”). Smaller loop antennas would radiate a lower level RF field than would theantenna shown in this application. In order to accommodate smaller antennas, TI requests that this modulardevice be authorized with the following condition pertaining to the antenna:This device is approved for use only with a loop antenna having dimensions that do not exceed 7.25” (L) by 3.5” (W). Versions of this device that use larger antennas must be approved as a Class II permissive change, if applicable, or under a new grant of equipment authorization.Any antenna connected to this device will need to be matched to the output of the reader. This will require thatthe Tag-it reader be placed in continuous mode. Note that the adjustments set forth below are not adjustmentsthat are to be made by end users. Instead, they are to be made at the time that any alternative antenna is testedand before the Tag-it reader is incorporated into another device. The following procedure should be used inorder to accomplish this adjustment.Steps:Note: The following adjustments should be undertaken only by a trained electronicstechnician.1. Connect the reader to a 12V /1A DC power source and the RS 232 interface cable to the interface board.2. Run the Tag-it Navigator demonstration software on the host computer and check connection withcommand : > Get Commander version <3. Place transponder (tag) over the antenna4. Click command >Get Block <, the tag will be recognized with 32 bit default block data column.5. Click command > Continuous <6. Click command > Repeat last <, the tag will be continued to be recognized until the tag is removed.7. Maximum read distance occurs when antenna is fully tuned at 50Ω impedance and 13.56 MHz. Thehousing that covers the antenna matching network circuit should be removed and the three capacitorslocated in board’s center should then be adjusted individually in sequence until achieving maximumdistance when the tag is parallel with the antenna. Jumpers (J1-J20) are preset and should not be moved.
Operate to Test & Instruction Manual FCC ID: A92COM3208578.doc2 of 3A2J1J2J3J4J5J6J7J8J9J10J11J12A1J13J14J16J17J18J19J20J15A3C5C19Short1500220068047022010047150022006804702201004768047022010047C1C3 C2Adjustable Antenna Matching NetworkComponent PlacementAll variable capacitors are5-90pFR** Value depends on antenna inductanceC13C4
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Document ID8578
Application IDjAnjHBqlKwcKpQ3iD2bKmw==
Document DescriptionUser Manual Instructions
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatAdobe Acrobat PDF - pdf
Filesize1.81kB (22650 bits)
Date Submitted1998-10-01 00:00:00
Date Available1998-11-06 00:00:00
Creation Date2001-07-13 13:40:52
Producing SoftwareAcrobat Distiller 4.0 for Windows
Document Lastmod2001-07-13 13:40:53
Document TitleUser Manual Instructions
FCC ID Filing: A92COM320

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