参数资料
型号: MRF89XAT-I/MQ
厂商: Microchip Technology
文件页数: 83/140页
文件大小: 0K
描述: RF ISM BAND TXRX 32 QFN
标准包装: 1
频率: 863MHz ~ 870MHz,902MHz ~ 928MHz,950MHz ~ 960MHz
数据传输率 - 最大: 200kbps
调制或协议: FSK,OOK
应用: ISM
功率 - 输出: 12.5dBm
灵敏度: -113dBm
电源电压: 2.1 V ~ 3.6 V
电流 - 接收: 3mA
电流 - 传输: 25mA
数据接口: PCB,表面贴装
存储容量: *
天线连接器: PCB,表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 32-WFQFN 裸露焊盘
包装: 标准包装
其它名称: MRF89XAT-I/MQDKR
MRF89XA
3.11.0.3
Variable Length Packet Format
A variable length packet frame format is illustrated in
This mode is necessary in applications where the
length of the packet is not known in advance and can
Figure 3-27 , which contains the following fields:
? Preamble (1010...)
vary over time. It is then necessary for the transmitter
to send the length information together with each
packet in order for the receiver to operate properly.
In this mode the length of the payload, indicated by the
length byte in Figure 3-27 , is given by the first byte of
the FIFO and is limited only by the width of the FIFO
?
?
?
?
?
Sync word (Network ID)
Length byte
Optional Address byte (Node ID)
Message data
Optional 2-bytes CRC checksum
selected. In this mode, the payload must contain at
least 2 bytes (that is, length plus address or message
byte).
Note:
The length byte is not included in the CRC
calculation.
FIGURE 3-27:
VARIABLE LENGTH PACKET FORMAT
Optional DC free data coding
CRC checksum calculation
Length
Preamble
1 to 4 bytes
Sync Word
1 to 4 bytes
Length
byte
Address
byte
Message
0 to (FIFO size - 1) bytes
CRC
2-bytes
Payload/FIFO
Fields added by the packet handler in TX and processed and removed in RX
Optional, user provided fieldhich are part of the payload
Message part of the payload
? 2010–2011 Microchip Technology Inc.
Preliminary
DS70622C-page 83
相关PDF资料
PDF描述
241-5-12L XFRMR PWR 115V 12.6VCT 1A LEADS
DPC-40-250 XFRMR PWR 115/230V 40VCT 250MA
ST-5-56 XFRMR PWR 115V 28V 440MA 12VA
6221 TIP STAIN-STEEL SHARP-PT .06"DMM
ST-5-48 XFRMR PWR 115V 24V 500MA 12VA
相关代理商/技术参数
参数描述
MRF8HP21080HR3 功能描述:射频MOSFET电源晶体管 HV8 2.1GHZ 160W NI780H-4 RoHS:否 制造商:Freescale Semiconductor 配置:Single 晶体管极性: 频率:1800 MHz to 2000 MHz 增益:27 dB 输出功率:100 W 汲极/源极击穿电压: 漏极连续电流: 闸/源击穿电压: 最大工作温度: 封装 / 箱体:NI-780-4 封装:Tray
MRF8HP21080HR5 功能描述:射频MOSFET电源晶体管 HV8 2.1GHZ 160W NI780H-4 RoHS:否 制造商:Freescale Semiconductor 配置:Single 晶体管极性: 频率:1800 MHz to 2000 MHz 增益:27 dB 输出功率:100 W 汲极/源极击穿电压: 漏极连续电流: 闸/源击穿电压: 最大工作温度: 封装 / 箱体:NI-780-4 封装:Tray
MRF8HP21080HSR3 功能描述:射频MOSFET电源晶体管 HV8 2.1GHZ 160W NI780S-4 RoHS:否 制造商:Freescale Semiconductor 配置:Single 晶体管极性: 频率:1800 MHz to 2000 MHz 增益:27 dB 输出功率:100 W 汲极/源极击穿电压: 漏极连续电流: 闸/源击穿电压: 最大工作温度: 封装 / 箱体:NI-780-4 封装:Tray
MRF8HP21080HSR5 功能描述:射频MOSFET电源晶体管 HV8 2.1GHZ 160W NI780S-4 RoHS:否 制造商:Freescale Semiconductor 配置:Single 晶体管极性: 频率:1800 MHz to 2000 MHz 增益:27 dB 输出功率:100 W 汲极/源极击穿电压: 漏极连续电流: 闸/源击穿电压: 最大工作温度: 封装 / 箱体:NI-780-4 封装:Tray
MRF8HP21130HR3 功能描述:射频MOSFET电源晶体管 HV8 2.1GHZ 130W NI780-4 RoHS:否 制造商:Freescale Semiconductor 配置:Single 晶体管极性: 频率:1800 MHz to 2000 MHz 增益:27 dB 输出功率:100 W 汲极/源极击穿电压: 漏极连续电流: 闸/源击穿电压: 最大工作温度: 封装 / 箱体:NI-780-4 封装:Tray