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EM4200 Card
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>> RFID Cards >> EM4100 Card


EM4100 Card



The EM4100 (previously named H4100) is a CMOS integrated circuit for use in electronic Read Only RF Transponders. The circuit is powered by an external coil placed in an electromagnetic field, and gets its master clock from the same field via one of the coil terminals. By turning on and off the modulation current, the chip will send back the 64 bits of information contained in a factory pre-programmed memory array.
The programming of the chip is performed by laser fusing of polysilicon links in order to store a unique code on each chip.
The EM4100 has several metal options which are used to define the code type and data rate. Data rates of 64, 32 and 16 periods of carrier frequency per data bit are available. Data can be coded as Manchester, Biphase or PSK.
Due to low power consumption of the logic core, no supply buffer capacitor is required. Only an external coil is needed to obtain the chip function. A parallel resonance capacitor of 74 pF is also integrated.

Features
-64 bit memory array laser programmable
-Several options of data rate and coding available
-On chip resonance capacitor
-On chip supply buffer capacitor
-On chip voltage limiter
-Full wave rectifier on chip
-Large modulation depth due to a low impedance modulation device
-Operating frequency 100 – 150 kHz, (125kHz)
-Very small chip size convenient for implantation
-Very low power consumption

Applications
-Logistics automation
-Anticounterfeiting
-Access control
-Industrial transponder

The chip completely compatible with EM4200 is TK4100. The performance of TK4100 is the same as EM4200 chip. As the price of EM4200 is relatively higher, so the TK4100 is used in many projects instead of EM4200 chip.


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        Applications of RFID Cards are distributed in identification, access control, supply chain, inventory tracking, vehicle fees, security, producing control, and asset management, especially on pets. Passive RFID Card can operate in the low frequency (LF), high frequency (HF) and ultra-high frequency (UHF) radio bands. These three frequencies are ok for us. RFID Cards have adequate security. Because RFID carries the electronic information, and the content of data vias a password to protect, so that its contents can not easily be forged and altered. We have invested in the latest printing techniques for RFID Cards to meet our customers' expectations of quality, flexibility and speed of service, and offer the full range of in-house print solutions from design to mailing and fulfillment.