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參數(shù)資料
| 型號： | WE905 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 0.1 - 1GHx Single Chip FM Transceiver |
| 中文描述： | 0.1 - 1GHx單芯片F(xiàn)M收發(fā)器 |
| 文件頁數(shù)： | 21/39頁 |
| 文件大?。?/td> | 623K |
| 代理商： | WE905 |
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Winceiver WE904/WE905
WiNEDGE & WiRELESS
0.1 - 1GHz Single Chip FM Transceiver
2003 WiNEDGE & WiRELESS PTE LTD
Page 28
Rev Date: 2003 May 27
RECEIVE FREQUENCY REGISTER
Bit 1 (last bit loaded)
Load control bit 1 = (1)
Bit 2
Load control bit 2 = (0)
Bit 3 LSB
Rf(1)
Rx frequency F register
Bit 4
Rf(2)
Rx frequency F register
Bit 5 MSB
Rf(3)
Rx frequency F register
Bit 6 LSB
Ra(1)
Rx frequency A register
Bit 7
Ra(2)
Rx frequency A register
Bit 8
Ra(3)
Rx frequency A register
Bit 9
Ra(4)
Rx frequency A register
Bit 10 MSB
Ra(5)
Rx frequency A register
Bit 11 LSB
Rm(1)
Rx frequency M register
Bit 12
Rm(2)
Rx frequency M register
Bit 13
Rm(3)
Rx frequency M register
Bit 14
Rm(4)
Rx frequency M register
Bit 15
Rm(5)
Rx frequency M register
Bit 16
Rm(6)
Rx frequency M register
Bit 17
Rm(7)
Rx frequency M register
Bit 18
Rm(8)
Rx frequency M register
Bit 19
Rm(9)
Rx frequency M register
Bit 20 MSB
Rm(10)
Rx frequency M register
Bit 21
Rx VCO Trim bit 1
Bit 22
Rx VCO Trim bit 2
Bit 23
Not Used
Rx VCO Trim Bits
Trim Capacitor
2
1
0
0 – minimum C
0
1
0
2
1
3 – maximum C
Rx Frequency = Internal Reference Frequency x ((32 x M) + A + (F/8))
Trim capacitors are provided for correction of device tolerance.
e.g. 903.50625MHz RF, 50kHz reference frequency; div ratio 18070.125, assuming trim 2
Programming word = X10 1000110100 10110 001 01
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