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參數(shù)資料
| 型號： | ANT-2.4-PW-QW |
| 廠商： | Linx Technologies Inc |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 271K |
| 描述： | ANTENNA 2.4GHZ 1/2 WAVE DIPOLE |
| 產(chǎn)品目錄繪圖： | ANT-xxx-CW-QW |
| 標(biāo)準(zhǔn)包裝： | 30 |
| 天線類型： | 鞭狀：1/2 波，偶極 |
| 頻帶數(shù)目： | 1 |
| 頻率： | 2.45GHz Center |
| VSWR： | 1.9 |
| 端子： | 8.5" RG-174 |
| 安裝類型： | 連接器 |
| 高度（最大）： | 4.13"（104.9mm） |
| 包裝： | 散裝 |
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Data Sheet ANT-2.4-PW-QW
VSWR Graph
What is VSWR?
The Voltage Standing Wave Ratio (VSWR) is a measurement of how well
an antenna is matched to a source impedance, typically 50-ohms. It is
calculated by measuring the voltage wave that is headed toward the load
versus the voltage wave that is reflected back from the load. A perfect
match will have a VSWR of 1:1. The higher the first number, the worse the
match, and the more inefficient the system. Since a perfect match cannot
ever be obtained, some benchmark for performance needs to be set. In
the case of antenna VSWR, this is usually 2:1. At this point, 88.9% of the
energy sent to the antenna by the transmitter is radiated into free space
and 11.1% is either reflected back into the source or lost as heat on
the structure of the antenna. In the other direction, 88.9% of the energy
recovered by the antenna is transferred into the receiver. As a side note,
since the :1 is always implied, many data sheets will remove it and just
display the first number.
How to Read a VSWR Graph
VSWR is usually displayed graphically versus frequency. The lowest point
on the graph is the antennas operational center frequency. In most cases,
this will be different than the designed center frequency due to fabrication
tolerances. The VSWR at that point denotes how close to 50-ohms the
antenna gets. Linx specifies the recommended bandwidth as the range
where the typical antenna VSWR is less than 2:1.
SWR
Reflected Power
3:1
2:1
1:1
25%
11%
0%
2450MHz
2550MHz
2350MHz
1.373
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ANT-2.4-WRT-UFL | ANTENNA U.FL 2.45GHZ CENTER |
| ANT-2.4-YG12-N | ANTENNA YAGI 2.4GHZ 12-ELEMENT |
| ANT-2.4-YG6-N | ANTENNA YAGI 2.4GHZ 6-ELEMENT |
| ANT-315-CW-HD | ANTENNA 315MHZ 1/4 WAVE WHIP |
| ANT-315-CW-HWR-RPS | ANTENNA 315MHZ 1/4 WAVE RP/SMA |
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| ANT25 | 制造商:CIT 制造商全稱:CIT Relay & Switch 功能描述:CIT SWITCH |
| ANT2525B00BT1516A | 功能描述:天線 1575-1602MHz 50 Ohm PATCH ANTENNA,GPS RoHS:否 制造商:Molex 技術(shù)類型:Cellular Antenna 頻率: 帶寬: 尺寸:106.7 mm L x 13 mm W |
| ANT2525B00BT1516S | 功能描述:1.6GHz GLONASS, GPS Ceramic Patch RF Antenna 1.575GHz ~ 1.606GHz 3.5dBic, 4.1dBic Solder Surface Mount 制造商:yageo 系列:- 包裝:托盤 零件狀態(tài):有效 頻率組:UHF（1 GHz ~ 2 GHz） 頻率（中心/帶）:1.6GHz 頻率范圍:1.575GHz ~ 1.606GHz 天線類型:陶瓷貼片 頻帶數(shù):1 VSWR:2 回波損耗:- 增益:3.5dBic，4.1dBic 功率 - 最大值:- 特性:- 端接:焊接 侵入防護(hù):- 安裝類型:表面貼裝 高度（最大值）:0.157"（4.00mm） 應(yīng)用:GLONASS，GPS 標(biāo)準(zhǔn)包裝:40 |
| ANT2525B00BT1575A | 功能描述:天線 1.575MHz 50 Ohm PATCH ANTENNA,GPS RoHS:否 制造商:Molex 技術(shù)類型:Cellular Antenna 頻率: 帶寬: 尺寸:106.7 mm L x 13 mm W |
| ANT2525B00BT1575S | 功能描述:1.6GHz Ceramic Patch RF Antenna 1.57GHz ~ 1.59GHz 5.5dBic Solder Surface Mount 制造商:yageo 系列:- 包裝:托盤 零件狀態(tài):有效 頻率組:UHF（1 GHz ~ 2 GHz） 頻率（中心/帶）:1.6GHz 頻率范圍:1.57GHz ~ 1.59GHz 天線類型:陶瓷貼片 頻帶數(shù):1 VSWR:2 回波損耗:-39dB 增益:5.5dBic 功率 - 最大值:- 特性:- 端接:焊接 侵入防護(hù):- 安裝類型:表面貼裝 高度（最大值）:0.157"（4.00mm） 應(yīng)用:- 標(biāo)準(zhǔn)包裝:40 |
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