参数资料
型号: ATREB232ED-EK
厂商: Atmel
文件页数: 22/40页
文件大小: 0K
描述: AT86RF232 EVAL KIT
产品培训模块: AT86RF232 Low Power 2.4 GHz Wireless Transceiver
标准包装: 1
类型: 收发器,微控制器
频率: 2.4GHz
适用于相关产品: AT86RF232
已供物品: 4 块板,电池,电缆,文档
Figure 5-13. Antenna without tuning elements.
The first tuning step will use the series capacitor to tune the band center down to a
pure resistive behavior. The band center is crossing the 30 degree (1/3 x Z 0 ) line.
Therefore, the tuning capacitor can be determined by:
C =
with
1
2 π fXc
Xc =
1
3
* 50 Ohm
f = 2.450GHz
We get a capacitance of 3.89pF, and can simply use a 3.9pF value. The result of this
tuning step can be seen in Figure 5-14 , page 23 .
22
Atmel AVR2092
8427A-AVR-10/11
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