參數(shù)資料
型號(hào)： HTRM800
廠商： NXP Semiconductors N.V.
英文描述： HITAG long range reader module hardware
中文描述： 此外，HITAG遠(yuǎn)距離讀寫(xiě)模塊的硬件
文件頁(yè)數(shù)： 13/20頁(yè)
文件大?。?/td> 93K
代理商： HTRM800
2001 Oct 04
13
Philips Semiconductors
Product specification
HITAG long range reader module
hardware
HTRM800 family
10.4
Possible sources of errors by connecting the
HTRM800
The following error list should be checked if any error
(e.g. readorwritedistancesthat donotreachthespecified
values) occurs:
Power supply cable not mounted correctly
Power supply voltage not in the specified range
Serial interface not connected correctly
Interference received by the antenna because of an
external noise source (e.g. monitor, keyboards); the
remedial measure is to remove the antenna from the
interfering area and use the command StartFFT
Connecting cables of the antenna changed by mistake
Antenna is mounted in metal environment; the remedial
measureistomountanon-metalspacekeeperbetween
the antenna and the metal
Antenna is not designed following the antenna design
instructions
Inductance of the antenna is not in the specified range
Quality factor of the antenna is not in the specified
range.
10.5
Building HITAG long range antennas
10.5.1
B
ASICS
The exact way how to design a HITAG long range antenna
is described in application note “Antenna Design for the
HITAG Long Range System”
The antenna is an important part of the HITAG long range
system. The antenna must provide energy and data
transmissionbetweenthereadermoduleandtransponder.
Therefore, you should be particularly careful when
implementing the antenna in order to achieve optimum
results.
The equivalent circuit of the antenna is shown in Fig.6.
The requirements of the antenna coil are:
Quality factor: Q = 30 to 60
where
X
s
= effective series reactance
R
s
= effective series resistance
Inductance: L = 400 to 1200
μ
H.
Q
X
s
s
R
=
handbook, full pagewidth
VOLTAGE
LIMITER
coax cable
MGU421
antenna
Vo
C
Rs
Xs
HTRM800
Fig.6 Basics of the long range antenna.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HTRM800/AED 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:HITAG long range reader module hardware
HTRM800/AED,122 功能描述:RFID HITAG READER MODULE RS232 RoHS:否 類別:RF/IF 和 RFID >> RFID 讀取模塊 系列:HITAG® 遠(yuǎn)程 產(chǎn)品目錄繪圖:DLP-RFID-UHF1B 標(biāo)準(zhǔn)包裝:1 系列:- RF 型:讀/寫(xiě) 頻率:900MHz 特點(diǎn):ISO 18000-6 a/b/c 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 產(chǎn)品目錄頁(yè)面:635 (CN2011-ZH PDF) 其它名稱:813-1029
HTRM800/CED 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:HITAG long range reader module hardware
HTRM800/CED,122 制造商:NXP Semiconductors 功能描述:
HTRM800/EED 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:HITAG long range reader module hardware
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