參數(shù)資料
型號(hào)： NRF2401A
廠商： Electronic Theatre Controls, Inc.
英文描述： Single chip 2.4 GHz Transceiver
中文描述： 單片2.4GHz無線收發(fā)
文件頁數(shù)： 31/38頁
文件大?。?/td> 263K
代理商： NRF2401A
PRODUCT SPECIFICATION
nRF2401A Single Chip 2.4 GHz Radio Transceiver
PERIPHERAL RF INFORMATION
Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway -
Revision: 1.0
Phone +4772898900
-
Fax +4772898989
December 2004
Page 31 of 38
Antenna output
The ANT1 & ANT2 output pins provide a balanced RF output to the antenna. The
pins must have a DC path to VDD, either via a RF choke or via the center point in a
dipole antenna. The load impedance seen between the ANT1/ANT2 outputs should be
in the range 200-700
. A load of 100
+j175
is recommended for maximum output
power (0dBm). Lower load impedance (for instance 50
) can be obtained by fitting a
simple matching network.
Output Power adjustment
Power setting bits of
configuring word
11
10
01
00
Conditions: VDD = 3.0V, VSS = 0V, T
A
= 27oC, Load impedance = 100
+j175
.
Table 20 RF output power setting for the nRF2401A.
RF output power
DC current
consumption
13.0 mA
10.5 mA
9.4 mA
8.8 mA
0 dBm ±3dB
-5 dBm ±3dB
-10 dBm ±3dB
-20 dBm ±3dB
Crystal Specification
Tolerance includes initially accuracy and tolerance over temperature and aging.
Frequency
C
L
ESR
4
12pF
150
8
12pF
100
12
12pF
100
16
12pF
100
20
12pF
100
C
0max
7.0pF
7.0pF
7.0pF
7.0pF
7.0pF
Tolerance
±30ppm
±30ppm
±30ppm
±30ppm
±30ppm
Table 21 Crystal specification of the nRF2401A
To achieve a crystal oscillator solution with low power consumption and fast start-up
time, it is recommended to specify the crystal with a low value of crystal load
capacitance. Specifying C
L
=12pF is OK, but it is possible to use up to 16pF.
Specifying a lower value of crystal parallel equivalent capacitance, C
0
will also work,
but this can increase the price of the crystal itself. Typically C
0
=1.5pF at a crystal
specified for C
0max
=7.0pF.
相關(guān)PDF資料
PDF描述
NRF2401A-EVKIT Single chip 2.4 GHz Transceiver
NRF2401AG Single chip 2.4 GHz Transceiver
NRF2402 Single chip 2.4 GHz Transmitter
NRF2402G Single chip 2.4 GHz Transmitter
NRF902 Single chip 868 MHz Transmitter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NRF2401A-DIE 制造商:Nordic Semiconductor 功能描述:
NRF2401A-EVKIT 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single chip 2.4 GHz Transceiver
nRF2401AG 功能描述:射頻收發(fā)器 1.9-3.6V 1MBIT XCVR 2.4GHz SHCKBRST RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
nRF2401AG-REEL 功能描述:射頻收發(fā)器 1.9-3.6V 1MBIT XCVR 2.4GHz SHCKBRST RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
nRF2401AG-REEL7 功能描述:射頻收發(fā)器 1.9-3.6V 1MBIT XCVR 2.4GHz SHCKBRST RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
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