參數(shù)資料
型號(hào): MICRF405YML TR
廠商: Micrel Inc
文件頁數(shù): 26/46頁
文件大小: 649K
描述: TRANSMITTER ASK/FSK 24-MLF
標(biāo)準(zhǔn)包裝: 1
頻率: 290MHz ~ 980MHz
應(yīng)用: ISM
調(diào)制或協(xié)議: ASK,F(xiàn)SK
數(shù)據(jù)傳輸率 - 最大: 200 kbps
功率 - 輸出: 10dBm
電流 - 傳輸: 18mA
數(shù)據(jù)接口: PCB,表面貼裝
天線連接器: PCB,表面貼裝
電源電壓: 2.2 V ~ 3.6 V
工作溫度: -40°C ~ 125°C
封裝/外殼: 24-VFQFN 裸露焊盤,24-MLF?
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 571 (CN2011-ZH PDF)
其它名稱: 576-1965-6
Micrel
MICRF405
 
 
 
 
April 2006 
26
M9999-041906
 (408) 955-1690
 
Modulation
type
Fphd
[kHz]
BW
[kHz]
CP
[uA]
CP_CUR
C1
[pF]
C2
[pF]
LF_CAP
R1
[k&]
LF_RES1
R3
[k&]
LF_RES3
 
Open loop
VCO
500
22.5     3.125/31.25
1
32.4    10.8
3
96
7
57
8
Open loop
VCO
1000
45
6.25/62.5
2
32.4    10.8
3
48
2
28
3
ASK
d4.8kbps
1000
32
3.125/31.25
1
32.4    10.8
3
68
4
40
5
ASK
d9.6kbps
2000
64
6.25/62.5
2
32.4    10.8
3
34
1
20
2
ASK
>9.6kbps
2000     220
12.5/125
3
5.4
1.8
0
76
5
5
0
Table 18. Internal Dual Path Filter Settings.
 
The design of the PLL filter will strongly affect the
performance of the frequency synthesizer. Input
parameters, when designing the loop filter for the
MICRF405, are mainly the modulation method and
the bit rate. Internal loop filter, which have relative
high bandwidths, is recommended for ASK. The
external filter must be used when the bandwidth
must be low. These choices will also affect the
switching time and phase noise.
 
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