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W1421 紧凑型天线、价廉物美
TW1421采用了Tallysman独特的Accutenna™技术，覆盖GPS L1，GLONASS G1和SBAS（WAAS，EGNOS＆MSAS）频段（1574至1606 MHz）。它在其整个带宽上提供真正的圆形响应，从而产生卓越的多径信号抑制，从而提高位置和定时精度。
TW1421具有紧凑的相位中心误差，真正高性能紧凑型GPS + GLONASS OEM天线。
TW1421支持GPS L1、Glonass G1，仅仅30克重，28dB增益。适合无人机、穿戴式设备。
高增益版本为TW1430,32dB增益;北斗版本为TW1721支持北斗B1，GPS L1，Glonass G1。
特征
Accutenna™技术
小而高精度GPS + GLONASS OEM天线
高抑制SAW滤波器
低噪LNA：1.25 dB（典型值）
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
在所有工作温度下一致的响应
OEM天线容易受当前环境影响失谐。 Tallysman提供定制调谐服务、优化集成到OEM最终用户单元中。
有关详细信息，请下载数据表。
规格
机械：
架构：双路、正交反馈
尺寸：35mm直径。 x 7.25mm
重量：30g
电缆：1.38mm外径
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典型值，26dB最小值
电源电流：10mA 典型，15m最大（85°C）
电源电压：2.5至16 VDC标称值（推荐最大值为12VDC）
噪声：1.25 dB 典型
轴比（全频宽）：<1.5 dB @天顶，≤3.0dB最大
有关详细信息，请下载数据表。
The TW1421 employs Tallysman’s unique Accutenna™ technology covering the GPS L1, GLONASS G1, and SBAS (WAAS, EGNOS & MSAS) frequency bands (1574 to 1606 MHz). It provides truly circular response over its entire bandwidth thereby producing superior multipath signal rejection resulting in higher positional and timing accuracy.
The TW1421 has a tight phase centre variation and truly is the highest performing compact OEM GPS + GLONASS antenna available.
TW1421支持GPS L1、Glonass G1,仅仅30克重,28dB增益。适合无人机、穿戴式设备。
高增益版本为TW1430，32dB增益；北斗版本为TW1721支持北斗B1、GPS L1、Glonass G1。
Features
- Accutenna™ Technology
- Smallest high accuracy GPS + GLONASS OEM antenna
- High rejection SAW filter
- Low noise LNA: 1.25 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
Mechanical:
Architecture: | Dual, quadrature feeds |
Size: | 35mm dia. x 7.25mm |
Weight: | 30g |
Cable: | 1.38mm OD |
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: | 2.5 to 16 VDC nominal (12VDC recommended max.) |
Noise: | 1.25 dB typ. |
Axial Ratio (over full bandwidth): | <1.5 dB @zenith, ≤3.0 dB max |
For further details, please download the Datasheet.
Drawings
Performance
The attached PDF contains graphical representation of the axial ratios, Phase Centre Variation (PCV) and gain patterns over elevation and rotation.
