1. General Description
A7103 is a highly integrated CMOS RF transceiver for sub 1GHz ISM band (315/434/868/915MHz). It futures both FSK and ASK capability.
2. Typical Applications
„� Remote Control.
„� AMR (Auto Meter Reading).
„� Security system.
„� TPMS (Tire Pressure Measure System).
3. Features
„� A7103A for 315/434MHz, A7103B for 868/ 915MHz.
„� High link budget: Distance up to 1Km is possible. Typical Tx +10dBm @ 434MHz band.
„� High sensitivity: -110dBm @ 434MHz band, IF bandwidth=100KHz.
„� Very low current consumption: Typical Tx 15.5mA @ FSK, 9.5mA@ ASK; Rx: 8.8mA.
„� Flexible control interface: Hardware pins or SPI.
„� Support multi channels.
„� High integration: VCO, PLL, LNA, Image Reject Mixer, IF Filter, Limiter, RSSI, Data Slicer, AFC, AGC…
„� Very few external components: No need external filters.
„� Build in image rejection mixer. Selectable IF band width (100, 200, 300 KHz).
„� Wide operating range: VDD=2.2~3.3V (IO 2.0~4.2V). T=-40~+85/125℃.
„� Auto ramp-up sequence control to optimize power consumption. XtalÆ�Auto CalibrationÆ�PLLÆ� RX.
„� One receiver for different systems: Switching between ASK/FSK is possible.
„� Auto calibration to compensate for process/temperature/voltage variation.
„� Support typical 4/12/13.56/16MHz low cost crystal.
AMICCOM Distributor : AVANTCOM INC Co,LTD WWW.AVANTCOM.COM.TW
R.F Chip list:
FM Transmitter：A7303A/A7303B
（2.4G GFSK Transceiver：A7121/A7122
2.4GHz GFSK/FSK Transceiver：A7105 /A7125
315～915MHz ASK/FSK Transceiver：A7102/A7103/A7201/A7302/A7202
