參數(shù)資料
型號： MICRF610
廠商： Micrel Semiconductor,Inc.
英文描述： 868-870 MHz ISM Band Transceiver Module
中文描述： 868-870 MHz ISM頻帶收發(fā)模塊
文件頁數(shù)： 10/19頁
文件大?。?/td> 303K
代理商： MICRF610
Micrel, Inc.
MICRF620
December 2005
18
M9999-120205
Layout
Recommended Land Pattern
Figure 12 shows a recommended land pattern that
facilitates both automatic and hand assembling.
Figure 13. Recommended Land Pattern (TOP VIEW)
Layout Considerations
Except for the antenna input/output signal, only digital and
low frequency signals need to interface with the module.
There is therefore no need of years of RF expertise to do a
successful layout, as long as the following few points are
being followed:
Proper ground is needed. If the PCB is 2-layer, the
bottom layer should be kept only for ground. Avoid
signal traces that split the ground plane. For a 4-
layer PCB, it is recommended to keep the second
layer only for ground.
A ground via should be placed close to all the
ground pins. The bottom ground pad should be
penetrated with 4-16 ground vias.
The antenna has an impedance of ~50 ohm. The
antenna trace should be kept to 50 ohm to avoid
signal reflection and loss of performance. Any
transmission line calculator can be used to find the
needed trace width given a board build up. Ex: A
trace width of 44 mil (1.12 mm) gives 50
impedance on a FR4 board (dielectric cons=4.4)
with copper thickness of 35
m and height (layer 1-
layer 2 spacing) of 0.61 mm.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MICRF610_0608 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:868-870MHz ISM Band Transceiver Module
MICRF610DEV1 制造商:Micrel Inc 功能描述:DEVELOPMENT KIT TRANSCEIVER 868MHZ
MICRF610TR 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:868-870 MHz ISM Band Transceiver Module
MICRF610Z 功能描述:IC RF MOD 868-870MHZ 11.5X14.1MM RoHS:是 類別:RF/IF 和 RFID >> RF 收發(fā)器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:30 系列:- 頻率:4.9GHz ~ 5.9GHz 數(shù)據(jù)傳輸率 - 最大:54Mbps 調(diào)制或協(xié)議:* 應用:* 功率 - 輸出:-3dBm 靈敏度:- 電源電壓:2.7 V ~ 3.6 V 電流 - 接收:* 電流 - 傳輸:* 數(shù)據(jù)接口:PCB，表面貼裝 存儲容量:- 天線連接器:PCB，表面貼裝 工作溫度:-25°C ~ 85°C 封裝/外殼:68-TQFN 裸露焊盤 包裝:管件
MICRF610Z TR 功能描述:IC RF MOD 868-870MHZ 11.5X14.1MM RoHS:是 類別:RF/IF 和 RFID >> RF 收發(fā)器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:30 系列:- 頻率:4.9GHz ~ 5.9GHz 數(shù)據(jù)傳輸率 - 最大:54Mbps 調(diào)制或協(xié)議:* 應用:* 功率 - 輸出:-3dBm 靈敏度:- 電源電壓:2.7 V ~ 3.6 V 電流 - 接收:* 電流 - 傳輸:* 數(shù)據(jù)接口:PCB，表面貼裝 存儲容量:- 天線連接器:PCB，表面貼裝 工作溫度:-25°C ~ 85°C 封裝/外殼:68-TQFN 裸露焊盤 包裝:管件
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