參數(shù)資料
型號(hào)： NRF2402G
廠商： Electronic Theatre Controls, Inc.
英文描述： Single chip 2.4 GHz Transmitter
中文描述： 2.4 GHz的單芯片發(fā)射機(jī)
文件頁(yè)數(shù)： 23/31頁(yè)
文件大?。?/td> 368K
代理商： NRF2402G
PRODUCT SPECIFICATION
nRF2402/nRF2402G Single Chip 2.4 GHz Radio Transmitter
PERIPHERAL
RF INFORMATION
Antenna output
The ANT1 and ANT2 output pins provide a balanced RF output to the antenna. The pins
must have a DC path to VDD_PA, either via a RF choke or via the center point in a balanced
antenna. Differential load impedance between the ANT1 and ANT2 pins, 100
+j175
, is
recommended for maximum output power. Antennas with lower load impedance (for
example 50
) can be matched to nRF2402/nRF2402G by using a simple matching network.
Nordic Semiconductor ASA -
Revision: 2.0
Vestre Rosten 81, N-7075 Tiller, Norway -
Page 23 of 31
Phone +4772898900
- Fax +4772898989
April 2005
Antenna matching networks
The recommended 50
matching network is shown in Figure 15. This is a low pass network
improving higher harmonic suppression.
3.3nH
5.6nH
1.0pF
1.0pF
2.2nF
4.7pF
RF output
10nH
4.7pF
nRF2402
ANT1
ANT2
VDD_PA
Figure 15 Low pass antenna matching network
A somewhat simpler matching network is shown in Figure 16.
nRF2402
ANT1
ANT2
VDD_PA
4.7pF
3.6nH
22nH
1.0pF
1.0pF
2.2nF
Cout
1.5pF
RF output
Figure 16 High pass antenna matching network
This network utilizes one component less and uses few inductors, but performance of this
network requires very careful PCB ground plane layout. The value of capacitor C
out
is
dependent on PCB ground plane layout and parasitics in the layout, and must hence be
matched to a given application layout. The value of C
out
will typically be in the range 1.0pF –
1.8pF. C
out
must be tuned while checking that the harmonics output is below frequency
regulatory limits.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
nRF2402G-REEL 功能描述:射頻發(fā)射器 1.9-3.6V 1MBIT XMTR 2.4GHz SHCKBRST RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel
nRF2402G-REEL7 功能描述:射頻發(fā)射器 1.9-3.6V 1MBIT XMTR 2.4GHz SHCKBRST RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel
NRF2402-REEL 制造商:Nordic Semiconductor 功能描述:
NRF2460-DK 功能描述:射頻開發(fā)工具 2.4 GHz ISM band 16 bit res RoHS:否 制造商:Taiyo Yuden 產(chǎn)品:Wireless Modules 類型:Wireless Audio 工具用于評(píng)估:WYSAAVDX7 頻率: 工作電源電壓:3.4 V to 5.5 V
nRF2460-R 功能描述:音頻發(fā)送器、接收器、收發(fā)器 2.4GHz WIRELS MONO AUD STREAMER RoHS:否 制造商:Cirrus Logic 工作電源電壓:3.3 V, 5 V 電源電流:11.8 mA 通道數(shù)量:1 最大工作溫度:+ 70 C 接口類型:I2C, SPI 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-28 封裝:
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