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參數(shù)資料
| 型號(hào)： | EM4094 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Analog Front End Integrated Circuit for 13.56Mhz RFID Base Station |
| 中文描述： | 模擬前端集成電路用于13.56MHz RFID基站 |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大?。?/td> | 91K |
| 代理商： | EM4094 |
EM4094
Copyright
2003, EM Microelectronic-Marin SA
Subject to change without notice
Rev. A, 09/03
Phone: +41.32.755-5111, Fax: +41.32.755-5403
www.emmicroelectronic.com
info@emmicroelectronic.com
Analog Front End Integrated Circuit for
13.56MHz RFID Base Station
General Description
The EM4094 is an integrated analog system for
13.56MHz RFID reader system. It is highly versatile so it
can be used in different reader systems having
sub-carrier frequencies from 212KHz to 848KHz, hence
covering ISO 14443 and ISO 15693 standards.
The adaptability is achieved using a 3 wires serial
interface to program the system option bits.
The transmitter generates 200 mW output power into
50
load and is capable of OOK or ASK modulation.
Applications
Low cost reader solution
Hand held reader
Features
ISO 15693 & ISO14443 compatibility
Oscillator using 13.56MHz Quartz with selectable
transconductance (gm).
Antenna driver using OOK or ASK modulation using
single antenna driver
ASK modulation adjustable in range from 7% to 30%
High output power 200mW from 5V supply
Antenna short circuit protection
Multiple receiver input for high communication
reliability
AM/PM demodulation with AGC signal amplifier
848KHz BPSK internal decoder (type B)
Multiple sub-carrier receiving compatibility
(212kHz, 424kHz and 848kHz)
Multiple sub-carrier coding compatibility
(Manchester, BPSK)
Built-in receive low-pass filter cut-off frequency
selectable between 400kHz and 1MHz
Built-in receive high-pass filter cut-off frequency
selectable between 100kHz, 200kHz and 300kHz
Selectable receive gain
Serial 3 pin interface for option selection
Power down mode controlled by the 3 wires SPI
Output Power: 200mW for a SO20w Package
100mW for a SO16w Package
Operation temperature range -40
°
C to +85
°
C
Typical Application
Figure 1
EM MICROELECTRONIC
- MARIN SA
VSSA1
C5
C13
C7
COAX
VDDA2
Interface
VSSA2
uController
RFIN1
ANT2
C4
ANT1
VCC
EN
DIN
C12
VCC
C1
C11
DCLK
C9
DOUT
C6
ANTENNA
C2
VCC
RFIN2
VDD
C8
DOUT1
Y1
VSS
C10
OSCIN
AGD
C3
L1
OSCOUT
VDDA1
EM4094
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