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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GPS、GLONASS、北斗和Galileo信号（L1，G1，B1，B1 BOC，B1-2，E1），以及增强信号（WAAS，EGNOS和MSAS）。
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LNA：1 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：REACH和RoHS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Max（85°C）
电源电压：1.8至16 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。
Features
- 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
The attached PDF contains graphical representation of the axial ratios, Phase Centre Variation (PCV) and gain patterns over elevation and rotation.
