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TW1721 紧凑型天线、价廉物美,兼容北斗、伽利略

TW1721是一种紧凑、宽带的Accutenna™技术GNSS天线,为所有高L波段GPSGLONASS、北斗和Galileo信号(L1G1B1B1 BOCB1-2E1),以及增强信号(WAASEGNOSMSAS)。

TW1721在天线覆盖的整个频率上提供真正的圆形响应,提供卓越的多径信号抑制,从而提高位置和时间精度。

TW1721 GPSL1 /北斗B1 / GlonassG1 / GalileoE1天线,增益28dB,仅仅30克重。适合无人机,穿戴式设备等。

特征

Accutenna™技术

小尺寸高精度OEM L1天线

高阻抗SAW滤波器

低噪声LNA1 dB(标称值) 

温度补偿LNA

优势

卓越的多径信号抑制

适用于可穿戴设备

改进的载波相位线性

优异的信噪比

所有温度操作中的一致响应

OEM天线容易被本地环境失谐。 Tallysman提供定制调整服务,以优化集成到OEM最终用户模块。

有关详细信息,请下载数据表。

规格

架构:双路,正交反馈 

尺寸:35mm直径。 x 7.25mm

重量:30g

电缆:同轴电缆或RG174

附着方法:粘合剂或M2螺丝安装

环境:REACHRoHS标准

电气

LNA增益:28dB标称值,26dB最小值

电源电流:10mA 标称值,15m 最大Max85°C

电源电压:1.816 VDC标称值(推荐最大12VDC

噪声:1 dB标称值。

轴比:<2dB 标称值。 3dB max

有关详细信息,请下载数据表。

The TW1721 is a compact, wideband Accutenna™ technology GNSS antenna that provides accurate circular reception for all upper L- band GPS, GLONASS, Beidou, and Galileo signals ( L1, G1, B1, B1 BOC, B1-2, E1) and associated augmentation signals (WAAS, EGNOS and MSAS).

The TW1721 provides truly circular response across the full frequency of the antenna providing superior multi-path signal rejection resulting in higher accuracy of position and time.

TW1721 GPSL1/北斗B1/GlonassG1/GalileoE1天线,增益28dB、仅仅30克重。适合无人机、穿戴式设备等。

FeaturesTW1721 GPS/Glonass/BDS/Galileo(L1,G1,B1,B1 BOC,B1-2,E1)TW1721 GPS/Glonass/BDS/Galileo(L1,G1,B1,B1 BOC,B1-2,E1)

  • Accutenna™ Technology
  • Smallest high accuracy OEM L1 antenna
  • High rejection SAW fi lter
  • Low noise LNA: 1 dB typ
  • Temperature compensating LNAs

Benefits

  • Superior multipath signal rejection
  • Ideal for wearable devices
  • Improved carrier phase linearity
  • Excellent signal-to-noise ratio
  • Consistent response in all operating
    temperatures

OEM antennas are easily detuned by the local environment. Tallysman offers custom tuning services for optimized integration into OEM end-user modules.

For further details, please download the Datasheet.

Specifications

Architecture: Dual, quadrature feeds
Size: 35mm dia. x 7.25mm
Weight: 30g
Cable: micro-coax or RG174
Attachment Method: Adhesive or M2 screw mount
Environmental: REACH and RoHS compliant


Electrical:

LNA Gain: 28dB typ., 26dB Min
Supply Current: 10mA typ, 15m Max (85°C)
Supply Voltage: 1.8 to 16 VDC nominal (12VDC recommended max.)
Noise: 1 dB typ.
Axial Ratio: <2dB typ. 3dB max

 

For further details, please download the Datasheet.

Drawing

TW1421 drawingTW1421 drawing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The attached PDF contains graphical representation of the axial ratios, Phase Centre Variation (PCV) and gain patterns over elevation and rotation.

Download Laboratory Measurements of the TW1721

TW1721 measurementTW1721 measurement