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參數(shù)資料
| 型號： | NRF9E5-EVKIT433 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC |
| 中文描述： | 433/868/915MHz RF收發(fā)器與8051兼容的嵌入式微控制器和4輸入，10位ADC |
| 文件頁數(shù)： | 27/104頁 |
| 文件大?。?/td> | 1436K |
| 代理商： | NRF9E5-EVKIT433 |
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PRODUCT SPECIFICATION
nRF9E5 Single Chip Transceiver with Embedded Microcontroller and ADC
Main office: Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway -Phone +4772898900 - Fax +4772898989
Revision: 1.1
Page 27 of 104
June 2004
9.6
Output Frequency
The operating RF-frequency of nRF905 is set in the configuration register by CH_NO
and HFREQ_PLL. The operating frequency is given by:
MHz
PLL
HFREQ
NO
CH
(
f
OP
)
_
1
))
10
/
_
4
422
(
+
+
=
When HFREQ_PLL is ‘0’ the frequency resolution is 100kHz and when it is ‘1’ the
resolution is 200kHz.
The application operating frequency has to be chosen to apply with the Short Range
Devise regulation in the area of operation.
Operating frequency
430.0 MHz
433.1 MHz
433.2 MHz
434.7 MHz
HFREQ_PLL
[0]
[0]
[0]
[0]
CH_NO
[001001100]
[001101011]
[001101100]
[001111011]
862.0 MHz
868.2 MHz
868.4 MHz
869.8 MHz
[1]
[1]
[1]
[1]
[001010110]
[001110101]
[001110110]
[001111101]
902.2 MHz
902.4 MHz
927.8 MHz
[1]
[1]
[1]
[100011111]
[100100000]
[110011111]
Table 18 Examples of real operating frequencies.
9.7
Carrier Detect.
When the nRF905 is in ShockBurst
TM
RX, the Carrier Detect (CD) pin is set high if a
RF carrier is present at the channel the device is programmed to. This feature is very
effective to avoid collision of packages from different transmitters operating at the same
frequency. Whenever a device is ready to transmit it could first be set into receive mode
and sense whether or not the wanted channel is available for outgoing data. This forms a
very simple listen before transmit protocol. Operating Carrier Detect (CD) with Reduced
RX Power mode is an extremely power efficient RF system. Typical Carrier Detect level
(CD) is typically 5dB lower than sensitivity, i.e. if sensitivity is –100dBm then the
Carrier Detect function will sense a carrier wave as low as –105dBm. Below –105dBm
the Carrier Detect signal will be low, i.e. 0V. Above –95dBm the Carrier Detect signal
will be high, i.e. Vdd. Between approximately -95 to -105 the Carrier Detect Signal will
toggle.
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| nRF9E5-EVKIT-433 | 功能描述:射頻模塊 NRF9E5 EVAL KIT 433MHZ RoHS:否 制造商:Linx Technologies 產(chǎn)品:Transceiver Modules 頻帶:902 MHz to 928 MHz 輸出功率:- 15.5 dBm to + 12.5 dBm 接口類型:UART 工作電源電壓:- 0.3 VDC to + 5.5 VDC 傳輸供電電流:38.1 mA 接收供電電流:22.7 mA 天線連接器類型:U.FL 最大工作溫度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm |
| NRF9E5-EVKIT868 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC |
| nRF9E5-EVKIT-868/915 | 功能描述:射頻開發(fā)工具 NRF9E5 EVAL KIT 868/915 RoHS:否 制造商:Taiyo Yuden 產(chǎn)品:Wireless Modules 類型:Wireless Audio 工具用于評估:WYSAAVDX7 頻率: 工作電源電壓:3.4 V to 5.5 V |
| NRF9E5-EVKIT915 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC |
| NRF9E5IC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC |
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