描述
产品定位与功能
NI TBX 1328 B8299D推测为PXI/PXI Express系统配套的高密度测试接入模块,主要用于多通道信号路由与接口扩展,适用于复杂测试系统中信号的灵活分配与管理。其核心功能可能包括:
信号切换:支持射频/数字信号的自动切换(如开关矩阵功能);
接口适配:提供SMA、BNC、MCX等混合接头形式;
环境隔离:通过光隔离或电磁屏蔽降低信号干扰。
核心参数与性能(推测)
物理接口配置
-通道数:16/32通道(可扩展);
-频率范围:DC–6 GHz(射频通道);
-功率容量:≤2 W(连续波输入)。
控制与同步
-通信协议:PXI Star Trigger及Local Bus控制;
-切换速度:≤1 ms(机械继电器型)或≤100 ns(固态继电器型)。
环境适应性
-振动耐受:符合MIL-STD-810G标准(军用级测试场景适用);
-温度范围:-40°C至+85°C(宽温设计)。
技术特点
模块化设计
-热插拔支持:允许带电更换故障通道模块;
-冗余配置:双控制器架构(主备切换时间<50 ms)。
软件集成
-驱动兼容:NI-TestStand与LabVIEW状态监测库;
-诊断功能:内置自检算法(通道导通性/绝缘性测试)。
安全防护
-过压保护:±40 V钳位电路(数字信号通道);
-电磁兼容:通过CISPR 22 Class A认证。
Product Positioning and Functions
NI TBX 1328 B8299D is speculated to be a high-density test access module that supports PXI/PXI Express systems.It is mainly used for multi-channel signal routing and interface expansion,and is suitable for flexible distribution and management of signals in complex test systems.Its core functions may include:
Signal switching:supports automatic switching of RF/digital signals(such as switch matrix function);
Interface adaptation:Provides mixed connector forms such as SMA,BNC,MCX;
Environmental isolation:Reduce signal interference through optical isolation or electromagnetic shielding.
Core parameters and performance(speculation)
Physical interface configuration
-Number of channels:16/32 channels(scalable);
-Frequency range:DC–6 GHz(RF channel);
-Power capacity:≤2 W(continuous wave input).
Control and synchronization
-Communication protocol:PXI Star Trigger and Local Bus control;
-Switching speed:≤1 ms(mechanical relay type)or≤100 ns(solid-state relay type).
Environmental adaptability
-Vibration resistance:complies with MIL-STD-810G standard(applicable for military-grade testing scenarios);
-Temperature range:-40°C to+85°C(wide temperature design).
Technical Features
Modular design
-Hot-swap support:allows for live replacement of fault channel modules;
-Redundant configuration:Dual controller architecture(main-stop switching time<50 ms).
Software Integration
-Driver compatibility:NI-TestStand and LabVIEW status monitoring library;
-Diagnostic function:built-in self-test algorithm(channel conductivity/insulation test).
Safety protection
-Overvoltage protection:±40 V clamp circuit(digital signal channel);
-Electromagnetic compatibility:CISPR 22 Class A certified.