Description

WR90 X-Band High Performance LNB Feed Horn

 

Datasheet

1. Executive Overview

Shenzhen Huashi Digital Technology Co., Ltd.  supplies circular polarization & linear polarization feed horns for PLC, Ku, Ka, K, Q, V, W Bands.Engineered for premium satellite receiving systems, this WR90 X-band precision feed horn is optimized for prime-focus parabolic antennas and offset reflector antennas. Adopting aerospace-grade electroplating process and compact radiation profiling design, it delivers ultra-low RF insertion loss, superior port isolation, ultra-low standing wave impedance matching, and outstanding anti-electromagnetic interference capability. Tailored for professional ground station, defense satellite communication, meteorological monitoring and enterprise VSAT network deployment, it ensures full-band stable signal coupling and long-duration outdoor operational reliability.

2. Fundamental Electrical & Mechanical Specifications

Technical Item	Premium Specification	Engineering Remark
Waveguide Standard	WR90	International standardized rectangular waveguide
Flange Interface	PDR90 / UG-407/U	High-precision bolted flange, seamless docking
Cut-off Frequency	7.05 GHz	Exclusive X-band passband design
Operational Frequency Band	7.25 GHz ~ 8.40 GHz (X-Band Downlink)	Full coverage for global geostationary X-band satellite downlink
Polarization Configuration	Single Linear / Orthogonal Dual Linear Polarization	Custom polarization angle available on request
Compatible Antenna Aperture	Offset Dish: 0.6m – 2.4mPrime Focus Parabolic Dish: 1.2m – 6.0m	Optimized illumination pattern for full-range reflector matching

3. Core Premium RF Performance Metrics

RF Parameter	Typical Premium Value	Absolute Maximum Limit	Performance Value
Insertion Loss (Full Band)	≤0.22 dB	≤0.30 dB	Minimize signal attenuation, upgrade system C/N ratio, lower receiver noise floor
VSWR (Waveguide Terminal)	≤1.12	≤1.18	Ultra-high impedance matching, eliminate standing wave reflection, avoid LNB local oscillator loss-of-lock
VSWR (LNB Coupling Port)	≤1.15	≤1.20	Flat gain response, zero signal amplitude fluctuation under full-band operation
Orthogonal Polarization Isolation	≥32 dB Full Band	≥28 dB Minimum	Powerful suppression of horizontal & vertical polarization crosstalk, reduce system BER drastically
Cross Polarization Discrimination (XPD)	≥28 dB	≥25 dB	Strong anti-adjacent frequency interference, adapt complex electromagnetic site environment
Aperture Illumination Efficiency	≥86%	≥82%	Maximize reflector gain utilization, optimize edge taper performance
Additional Noise Contribution	≤0.15 dB	≤0.20 dB	No degradation on original LNB noise figure, maintain receiving sensitivity
RF Power Handling Capacity	Continuous: 50W / Peak: 180W	—	High power endurance, fit long-term uninterrupted professional station operation

4. Material & Environmental Reliability Grade

• Aerospace Grade Material: Oxygen-free copper integral cavity, inner wall thick silver-gold composite electroplating, anti-oxidation, ultra-low high-frequency skin effect loss
• Ingress Protection Level: IP67 Full waterproof & dustproof
• Operational Ambient Temperature: -45℃ ~ +70℃
• Storage Temperature Range: -55℃ ~ +75℃
• Structural Design: Integrated pressure-resistant sealing structure, anti-condensation, anti-salt fog, anti-corrosion for coastal & industrial harsh sites

5. Antenna Matching Principle

5.1 Offset Reflector Antenna

Custom offset focal beam profiling design, zero reflector shielding loss. Matched with medium-small caliber offset antennas, applied for rooftop fixed terminals, shipborne vehicular mobile satellite receiving terminals, compact outdoor VSAT nodes.

5.2 Prime Focus Parabolic Antenna

Uniform central focal radiation, high-gain focused coupling. Compatible with large-caliber ground fixed stations, dedicated meteorological satellite receiving stations, defense encrypted satellite receiving systems.

6. Premium Application Scenarios

6.1 National Meteorological & Hydrological Monitoring

Specialized X-band polar orbit meteorological satellite signal reception, all-weather atmospheric cloud data acquisition, flood warning remote sensing signal demodulation for national monitoring stations.

6.2 Defense & Government Private Satellite Network

Encrypted satellite data transmission, border unattended monitoring links, military shipborne/vehicleborne portable satellite communication terminals, anti-jamming secure receiving system construction.

6.3 Enterprise & Energy Industrial VSAT System

Offshore oil platform, remote mining base, cross-regional enterprise private network satellite backhaul, stable voice, video and industrial data long-distance transmission.

6.4 Professional RF Calibration & Laboratory Testing

Microwave anechoic chamber standard radiation source, X-band antenna pattern/gain calibration, waveguide component and satellite front-end assembly performance verification.

6.5 Emergency Command Satellite Communication

Natural disaster emergency rescue mobile satellite station, regional emergency command wireless link, rapid deployment all-weather emergency communication terminal front-end.

7. Core Competitive Advantages (High-end Market)
8. Industry-leading ultra-low insertion loss ≤0.22dB, reserve full weak satellite signal, excellent link margin under rain fade, sandstorm and high-interference environment
9. Ultra-low VSWR industrial tuning, optimized whole-system impedance matching, realize 24/7 zero-fault stable receiving operation
10. 32dB+ high polarization isolation, independent anti-crosstalk structure design, support multi-polarization concurrent satellite signal reception
11. Standard WR90 universal waveguide interface, full compatibility with global premium X-band LNB modules, plug-and-play installation and replacement
12. IP67 high-grade protection + composite anti-corrosion coating, adapt polar high-cold, coastal salt fog, desert high-temperature extreme outdoor working scenarios

WR90 X 波段高性能高频头馈源喇叭 产品规格书

1. 概述

深圳市华视数码科技有限公司提供R90 X 波段精密馈源喇叭专为高端卫星接收系统研发，适配正馈抛物面天线与偏置反射面天线。产品采用航空级电镀工艺与紧凑型辐射剖面设计，具备射频插入损耗极低、端口隔离度优异、驻波阻抗匹配度极高、抗电磁干扰能力突出等特性。适用于专业地面站、卫星通信、气象监测及企业 VSAT 卫星专网部署，可实现全频段信号稳定耦合，满足长期户外可靠运行需求。

2. 基础电气与机械参数

表格

技术项目	高端规格参数	工程说明
波导标准	WR90	国际标准矩形波导
法兰接口	PDR90 / UG-407/U	高精度螺栓法兰，无缝对接
截止频率	7.05 GHz	专属 X 波段通带设计
工作频段	7.25 GHz ~ 8.40 GHz（X 波段下行）	完整覆盖全球地球同步轨道 X 波段卫星下行频段
极化配置	单一线极化 / 正交双线极化	可按需定制极化角度
适配天线口径	偏置天线：0.6m ~ 2.4m正馈抛物面天线：1.2m ~ 6.0m	优化照射波形，适配全规格反射面天线

3. 核心高端射频性能指标

表格

射频参数	典型优质值	极限最大值	性能说明
全频段插入损耗	≤0.22 dB	≤0.30 dB	最大限度降低信号衰减，提升系统载噪比，压低接收机噪声基底
波导端口驻波比 (VSWR)	≤1.12	≤1.18	超高阻抗匹配，消除驻波反射，防止高频头本振失锁
高频头耦合端口驻波比 (VSWR)	≤1.15	≤1.20	增益响应平坦，全频段工作无信号幅度波动
正交极化隔离度	全频段≥32 dB	最低≥28 dB	强力抑制水平、垂直极化串扰，大幅降低系统误码率
交叉极化鉴别率 (XPD)	≥28 dB	≥25 dB	强效抑制邻频干扰，适配复杂电磁环境站点
口径照射效率	≥86%	≥82%	最大化反射面增益利用率，优化边缘衰减特性
附加噪声增量	≤0.15 dB	≤0.20 dB	不恶化原高频头噪声系数，保障接收灵敏度
射频功率承载能力	连续功率：50W / 峰值功率：180W	—	高功率耐受，满足专业站点全天候不间断运行

4. 材质与环境防护等级

1. 航空级材质：无氧铜一体成型腔体，内壁厚层金银复合电镀，抗氧化，大幅降低高频趋肤效应损耗
2. 防护等级：IP67 全防水防尘
3. 工作环境温度：-45℃ ~ +70℃
4. 存储温度范围：-55℃ ~ +75℃
5. 结构设计：一体式耐压密封结构，防凝露、防盐雾、耐腐蚀，可用于沿海、工业严苛场景

5. 天线匹配原理

5.1 偏置反射面天线

采用定制偏置焦面波束剖面设计，无反射面遮挡损耗。适配中小型口径偏置天线，应用于楼顶固定终端、船载 / 车载移动卫星接收终端、紧凑型户外 VSAT 节点。

5.2 正馈抛物面天线

中心聚焦均匀辐射，高增益耦合。适配大口径地面固定站、专用气象卫星接收站、专用加密卫星接收系统。

6. 高端应用场景

6.1 气象水文监测

专业接收 X 波段极轨气象卫星信号，全天候采集大气云图数据，为全国监测站点提供洪涝预警遥感信号解调支持。

6.2 政务专用卫星网络

加密卫星数据传输、边境无人值守监测链路、便携车载 / 船载卫星通信终端、抗干扰保密接收系统搭建。

6.3 企业与能源行业 VSAT 系统

海上石油平台、偏远矿山基地、跨区域企业专网卫星回传，稳定传输远距离语音、视频及工业业务数据。

6.4 专业射频校准与实验室测试

微波暗室标准辐射源、X 波段天线方向图 / 增益校准、波导器件与卫星前端组件性能验证。

6.5 应急指挥卫星通信

自然灾害应急救援移动卫星站、区域应急指挥无线链路、可快速部署的全天候应急通信终端前端。

7. 高端市场核心竞争优势

1. 行业领先超低插入损耗≤0.22dB，完整保留微弱卫星信号，在雨衰、沙尘、高干扰环境下具备充足链路余量
2. 工业级超低驻波比调校，整机阻抗匹配优化，可实现 7×24 小时无故障稳定接收
3. ≥32dB 高极化隔离度，独立抗串扰结构设计，支持多极化卫星信号同步接收
4. 标准 WR90 通用波导接口，全球主流 X 波段高频头完全兼容，安装替换即插即用
5. IP67 高防护等级 + 复合防腐涂层，可适配极地严寒、沿海盐雾、沙漠高温等极端户外工况

术语注释（行业标准释义）

1. Feed Horn：馈源喇叭（卫星天线前端射频辐射耦合器件）
2. LNB：低噪声下变频器，行业统称高频头
3. VSWR：电压驻波比，表征射频端口阻抗匹配优劣
4. XPD：交叉极化鉴别率，衡量天线极化纯净度
5. VSAT：甚小孔径卫星终端，小型卫星地面接收站系统
6. BER：误码率，数字卫星通信信号传输质量核心指标