描述
HP 44713A是一款高性能高速FET多路复用器，专为工业自动化、通信系统及高精度测试场景设计。以下是其核心参数与技术特点的综合分析：
一、产品概述
HP 44713A采用场效应晶体管（FET）技术，具备高速开关能力与高可靠性，适用于射频、微波测试、通信系统、航空航天及国防等领域的复杂信号切换需求。
二、核心参数
开关速率
-背板每秒5500个通道
-带状电缆每秒100,000个通道
通道配置
-24通道多路复用器
-支持6个模块通过带状电缆扩展至8个模块
输入特性
-输入电压：后部和背板保护至16 V峰值（模拟背板断开时可高达42 V峰值）
-输入电流：每通道1 mA
-输入阻抗：开机电阻>10⁸Ω，断电电阻（Vin>10 V时）>200Ω
电容与带宽
-大电容：200 pF
-带宽：-3 dB带宽200 kHz，20 kHz时平坦度1.0%
温度与偏置电流
-失调电压：0–28°C时15µV，28–55°C时185µV
-偏置电流：隔离继电器闭合时±5 nA（0–28°C），±45 nA（28–55°C）
三、性能特点
高可靠性
-FET无机械磨损，支持长期高频切换
-输入端子与机箱平衡阻抗设计，共模抑制比优异
低噪声与串扰
-10 kHz时串扰-50 dB，100 kHz时-35 dB
-失调电压低至15µV（低温环境下）
扩展性
-支持模块级联，通过带状电缆扩展至多个设备
-适配16 AWG电线尺寸，兼容多种工业接口
四、典型应用领域
射频与微波测试
-高频信号切换与衰减器控制
-天线阵列动态配置
通信系统
-光纤通信模块多路复用
-5G基站信号路由
航空航天与国防
-雷达信号处理
-导航系统多通道数据采集
研发与实验室
-高精度传感器网络切换
-电磁兼容性（EMC）测试
IS200EHPAG1B
HP 44713A is a high-performance,high-speed FET multiplexer designed for industrial automation,communication systems,and high-precision test scenarios.The following is a comprehensive analysis of its core parameters and technical features:
I.Product Overview
HP 44713A uses field effect transistor(FET)technology,has high-speed switching capability and high reliability,and is suitable for complex signal switching needs in RF,microwave testing,communication systems,aerospace and defense.
2.Core parameters
Switching rate
-5500 channels per second on backplane
-100,000 channels per second on ribbon cable
Channel configuration
-24-channel multiplexer
-Supports 6 modules and expands to 8 modules via ribbon cable
Input characteristics
-Input voltage:rear and backplane protected to 16 V peak(up to 42 V peak when analog backplane is disconnected)
-Input current:1 mA per channel
-Input impedance:on resistance>10⁸Ω,off resistance(when Vin>10 V)>200Ω
Capacitance and bandwidth
-Large capacitance:200 pF
-Bandwidth:-3 dB bandwidth 200 kHz,flatness 1.0%at 20 kHz
Temperature and bias current
-Offset voltage:15µV at 0–28°C,185µV at 28–55°C
-Bias current:±5 when isolation relay is closed nA(0–28°C),±45 nA(28–55°C)
III.Performance characteristics
High reliability
-FET has no mechanical wear and supports long-term high-frequency switching
-Balanced impedance design of input terminals and chassis,excellent common-mode rejection ratio
Low noise and crosstalk
-Crosstalk-50 dB at 10 kHz,-35 dB at 100 kHz
-Offset voltage as low as 15µV(under low temperature environment)
Scalability
-Support module cascading and expand to multiple devices through ribbon cables
-Adapt to 16 AWG wire size and compatible with various industrial interfaces
IV.Typical application areas
RF and microwave testing
-High-frequency signal switching and attenuator control
-Antenna array dynamic configuration
Communication system
-Optical fiber communication module multiplexing
-5G base station signal routing
Aerospace and defense
-Radar signal processing
-Multi-channel data acquisition for navigation systems
R&D and laboratory
-High-precision sensor network switching
-Electromagnetic compatibility(EMC)testing
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