參數(shù)資料
型號(hào): MICRF405YML TR
廠商: Micrel Inc
文件頁數(shù): 38/46頁
文件大?。?/td> 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 
38
M9999-041906
 (408) 955-1690
 
 
Pream_Len1
Pream_Len0
Comments
0
0
Preamble length is 1 byte.
0
1
Preamble length is 2 bytes.
1
0
Preamble length is 3 bytes.
1
1
Preamble length is 4 bytes.
Table 36. Preamble Field Length.
 
Sel_CRC1
Sel_CRC0
Comments
0
X
CRC disabled
1
0
CCITT-8 CRC enabled. Byte is sent after payload data.
Polynomial function: X^8+X^5+X^4+1. (Byte part of Frame Length)
1
1
ITU-16 CRC enabled. Bytes are sent after payload data.
Polynomial function: X^16+X^12+X^5+1. (Byte part of Frame Length)
Table 37. CRC Select.
 
Manchester_en     Comments
0
Manchester encoding disabled.
1
Manchester encoding enabled. Data will be encoded before transmitted.
FSKn > 0 when using modulator.
Table 38. Manchester Encoding (only when BIT_IO_en=0).
 
VCO_freq2 VCO_freq1 VCO_freq0   Comments
0
0
0
Not used
0
0
1
 
0
1
0
868 MHz, 433MHz
0
1
1
 
1
0
0
915 MHz
1
0
1
 
1
1
0
950MHz, 315MHz
1
1
1
 
Table 39. VCO Frequency.
 
MOD_I
Comments
1..31
The deviation is linearly dependent of MOD_I
Table 40. Modulator Current Setting for Frequency Deviation.
 
MOD_A
Comments
0..4
Frequency deviation attenuator (or range selector). The attenuations are (values 0 through 4, respectively)
1
1
,
2
1
,
4
1
,
8
1
 and
16
1
 
Table 41. Modulator Attenuator Setting for Frequency Deviation.
 
 
 
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