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ANT-315-CW-RCS产品简介:
ICGOO电子元器件商城为您提供ANT-315-CW-RCS由LINX TECHNOLOGIES设计生产,在icgoo商城现货销售,并且可以通过原厂、代理商等渠道进行代购。 提供ANT-315-CW-RCS价格参考以及LINX TECHNOLOGIESANT-315-CW-RCS封装/规格参数等产品信息。 你可以下载ANT-315-CW-RCS参考资料、Datasheet数据手册功能说明书, 资料中有ANT-315-CW-RCS详细功能的应用电路图电压和使用方法及教程。
参数 | 数值 |
产品目录 | |
描述 | ANTENNA 315MHZ RA 1/4 WAVE WHIP天线 RPSMA RAng Reducd Ht 1/4 Wave Whip 315MHz |
产品分类 | |
品牌 | Linx Technologies |
产品手册 | |
产品图片 | |
rohs | 符合RoHS无铅 / 符合限制有害物质指令(RoHS)规范要求 |
产品系列 | Linx Technologies ANT-315-CW-RCSRCS - Antenna Factor |
数据手册 | |
产品型号 | ANT-315-CW-RCS |
VSWR | 2 |
产品目录绘图 | |
产品种类 | 天线 |
其它名称 | ANT315CWRCS |
包装 | 散装 |
商标 | Linx Technologies |
增益 | - |
天线类型 | 鞭状,直角 |
安装类型 | |
封装 | Bulk |
尺寸 | 2.11 in H |
工厂包装数量 | 100 |
带宽 | 10 MHz |
技术类型 | 1/4 Wave Whip Antenna |
标准包装 | 100 |
端接 | RP-SMA |
系列 | RCS |
阻抗 | 50 Ohms |
频带数 | 1 |
频率 | 315 MHz |
高度 | 2.11 in |
高度(最大值) | 2.106" (53.50 mm) |
ANT-315-CW-RCS Data Sheet by Product Description The RCS Series is ideally suited for products 7.0 mm requiring an attractive, yet compact, ¼-wave (0.28") antenna in a right-angle form factor. The antennas attach via a Part 15 compliant RP-SMA connector. Features • Reduced height helical whip • Right-angle mount • Excellent performance 45.0 mm • Omni-directional pattern (1.77") • Fully weatherized 53.5 mm • SMA or Part 15 compliant RP-SMA connector (2.11") • Use with plastic* or metal enclosures * Requires proximity ground plane Electrical Specifications 8.5 mm Center Frequency: 315MHz (0.33") 8.0 mm (0.31") Recom. Freq. Range: 310–320MHz Wavelength: ¼-wave 9.4 mm VSWR: < 2.0 typical at center (0.37") Impedance: 50-ohms Oper. Temp. Range: –20°C to +85°C Connector: RP-SMA Electrical specifications and plots measured on 10.16 cm x 10.16 cm (4.00" x 4.00") reference ground plane Ordering Information ANT-315-CW-RCS – 1 – Revised 12/9/13
Counterpoise Quarter-wave or monopole antennas require an associated ground plane counterpoise for proper operation. The size and location of the ground plane relative to the antenna will affect the overall performance of the antenna in the final design. When used in conjunction with a ground plane smaller than that used to tune the antenna, the center frequency typically will shift higher in frequency and the bandwidth will decrease. The proximity of other circuit elements and packaging near the antenna will also affect the final performance. For further discussion and guidance on the importance of the ground plane counterpoise, please refer to Linx Application Note AN-00501: Understanding Antenna Specifications and Operation. VSWR Graph VSWR 1.317 Reflected Power 3:1 25% 2:1 11% 1:1 0% 215MHz 315MHz 415MHz 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 antenna’s 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. – 2 – Data Sheet ANT-315-CW-RCS by
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