参数资料
型号: AT86RF212-ZUR
厂商: Atmel
文件页数: 104/172页
文件大小: 0K
描述: TXRX AVR LOW PWR/VOLTAGE 32PQFN
标准包装: 1
频率: 700MHz,800MHz,900MHz
数据传输率 - 最大: 250kbps
调制或协议: 802.15.4 Zigbee,6LoWPAN,ISM
应用: ISM,ZigBee?
功率 - 输出: 10dBm
灵敏度: -110dBm
电源电压: 1.8 V ~ 3.6 V
电流 - 接收: 9.2mA
电流 - 传输: 25mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 32-VFQFN 裸露焊盘
包装: 标准包装
其它名称: AT86RF212-ZURDKR
Figure 7-4 to Figure 7-8 illustrate typical spectra of the transmitted signals of the
AT86RF212 and do not claim any limits.
Refer to the local authority bodies (FCC, ETSI, etc.) for further details about definition of
power spectral density masks, definition of spurious emission, allowed modulation
bandwidth, transmit power, and its limits.
7.3.4 TX Output Power
The maximum output power of the transmitter is typically 5 dBm in normal mode and 10
dBm in boost mode. The TX output power can be set via register bits TX_PWR (register
0x05, PHY_TX_PWR). The output power of the transmitter can be controlled down to
-11 dBm dB with 1 dB resolution.
To meet the spectral requirements of the European and Chinese bands, it is necessary
to limit the TX power by appropriate setting of TX_PWR, GC_PA (register 0x05,
PHY_TX_PWR), and GC_TX_OFFS (register 0x16, TX_CTRL_0). See Table 7-15 and
Table 7-16 for recommended values.
7.3.5 TX Power Ramping
To optimize the output power spectral density (PSD), individual transmitter blocks are
enabled sequentially. A transmit action is started by either the rising edge of pin
SLP_TR or the command TX_START in register 0x02. One symbol period later the data
transmission begins. During this time period, the PLL settles to the frequency used for
transmission. The PA is enabled prior to the data transmission start. This PA lead time
can be adjusted with the value PA_LT in register 0x16 (RF_CTRL_0). The PA is always
enabled at the lowest gain value corresponding to GC_PA = 0. Then the PA gain is
increased automatically to the value set by GC_PA in register 0x16 (RF_CTRL_0). After
transmission is completed, TX power ramping down is performed in an inverse order.
The control signals associated with TX power ramping are shown in Figure 7-9. In this
example, the transmission is initiated with the rising edge of pin 11 (SLP_TR). The radio
transceiver state changes from PLL_ON to BUSY_TX.
Figure 7-9. TX Power Ramping Example (O-QPSK 250 kbit/s Mode)
Using an external RF front-end (refer to section 9.4), it may be required to adjust the
startup time of the external PA relative to the internal building blocks to optimize the
overall PSD. This can be achieved using register bits PA_LT (register 0x16,
RF_CTRL_0).
104
AT86RF212
8168C-MCU Wireless-02/10
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AT86RF215IQ-ZUR 功能描述:IC RF TXRX 802.15.4/ISM 48-VFQFN 制造商:microchip technology 系列:- 包装:剪切带(CT) 零件状态:在售 类型:仅限 TxRx 射频系列/标准:802.15.4,通用 ISM < 1GHz 协议:- 调制:FSK,OFDM,O-QPSK 频率:389.5MHz ~ 510MHz,779MHz ~ 1.02GHz,2.4GHz 数据速率(最大值):2.4Mbps 功率 - 输出:16dBm 灵敏度:-123dBm 存储容量:- 串行接口:SPI 电压 - 电源:1.8 V ~ 3.6 V 电流 - 接收:5mA ~ 33mA 电流 - 传输:62mA ~ 64mA 工作温度:-40°C ~ 85°C 封装/外壳:48-VFQFN 裸露焊盘 标准包装:1
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