l 基础参数 (Features)
频率范围（Frequency Range）：250-350 MHz 连接器(Connectors)
插损（Insertion Loss）：0.5 dB typ RF :N
隔离度（Isolation）：20 dB typ RF+ DC:N 输入驻波（VSWR-RF）：1.5 typ
输出驻波（VSWR-RF+DC）：1.5 typ
l 主要性能指标（Electrical Specifications）
Parameters | Min | Typ | Max |
频率范围 Frequency Range | 250-350 MHz | ||
插损 Insertion Loss | – | 0.5 dB | – |
隔离度 Isolation | – | 20 | – |
输入驻波 VSWR-RF | – | 1.5 | – |
输出驻波 VSWR-RF+DC | – | 1.5 | – |
直流电压 DC voltage | 600V | ||
直流电流 DC voltage | 100mA | ||
特性阻抗 Characteristic Impedance | 50Ω | ||
工作温度范围 Operating Temperature | -40℃ | 85℃ | |
保存温度范围 Storage Temperature | -55℃ | 100℃ | |
连接方式 Connectors | N | ||
额定功率 Power Rating | 10W | ||
外形尺寸图（Outline Drawing）
This 250-350MHz RF Bias Tee is an indispensable "bridge between signal and power" in RF systems, with main application scenarios including:1. Defense Communication Systems: Inject DC bias into active RF front-ends while isolating RF signals from power lines to ensure stable communication links;2. UAV/Telemetry Links: Realize co-cable transmission of RF signals and power in image and data transmission equipment, reducing wiring complexity;3. RF Power Amplifier Driving: Provide stable DC power feed for amplifier modules while preventing RF signal leakage into the power supply system to improve equipment reliability;4. Active Antenna Systems: Inject DC bias into antenna units to support remote power feeding and simplify base station/ground station equipment layout;5. Test & Measurement Scenarios: Provide bias power for DUTs in RF test links while ensuring the purity of test signals.
