ANALOG DEVICES EVAL-ADF7020DBZ1 评估子板, 射频ISM模块, 频率902-928MHZ
GENERAL DESCRIPTION
The ADF7020 is a low power, highly integrated FSK/ASK/OOK transceiver designed for operation in the license-free ISM bands at 433 MHz, 868 MHz, and 915 MHz, as well as the proposed Japanese RFID band at 950 MHz.
FEATURES
Low power, low IF transceiver
Frequency bands
431 MHz to 478 MHz
862 MHz to 956 MHz
Data rates supported
0.15 kbps to 200 kbps, FSK
0.15 kbps to 64 kbps, ASK
2.3 V to 3.6 V power supply
Programmable output power
−16 dBm to +13 dBm in 0.3 dBm steps
Receiver sensitivity
−119 dBm at 1 kbps, FSK
−112 dBm at 9.6 kbps, FSK
−106.5 dBm at 9.6 kbps, ASK
Low power consumption
19 mA in receive mode
26.8 mA in transmit mode 10 dBm output
−3 dBm IIP3 in high linearity mode
On-chip VCO and fractional-N PLL
On-chip 7-bit ADC and temperature sensor
Fully automatic frequency control loop AFC compensates for ±25 ppm crystal at 862 MHz to 956 MHz or ±50 ppm at 431 MHz to 478 MHz
Digital RSSI
Integrated Tx/Rx switch
Leakage current of <1 µA in power-down mode
APPLICATIONS
Low cost wireless data transfer
Remote control/security systems
Wireless metering
Keyless entry
Home automation
Process and building control
Wireless voice