☆型号：PXI-5691 射频放大器 可配置增益
【产品详情】
National Instruments PXI-5690 PXI 射频放大器（部件号：779465-01、190872E-01）是一款 2 通道、3 GHz 可编程模块，可在 3U PXI 单插槽模块中提供固定增益和可配置增益。NI PXI-5690 具有 增益 和 噪声 特性， 可 升级 PXI 射频 信号 矢量 分析 仪 的 动态 范围 和 可 影响性。PXI-5690 可以 通过 与 直接 路径 关联 来 自动 省略 其 增益。这种实用性增强了NI PXI-5690 PXI RF 信号 分析 仪 的 测试 和 检查 执行 能力， 可 改变 动态 范围， 轻松 监测 极 弱 和 强 信号。
PXI-5690 旨在 与 RF 矢量 信号 分析 仪 相关联， 例如 NI PXI-5660。NI PXI-5690 是 一个 简单 的 小 工具， 可 根据 预定 的 路径 和 增益 设置 来 增强 或 限制 其 输入 信号。不需要触发计划。
在此模型中，（CH 0）用作稳定增益前置放大器，范围增益为30 dB。该通道提供低噪声系数和电平频率反响，因此用户可以像使用传统的固定增益前置放大器一样利用CH 0。另一方面，（CH 1）用作可编程前置放大器，包含两个客户端可选路径。
☆型号：PXI-5691 射频放大器 可配置增益
【英文介绍】
The National Instruments PXI-5690 PXI RF Amplifier (Part number: 779465-01, 190872E-01) is a 2-channel, 3 GHz programmable module that provides fixed and configurable gain in a 3U PXI single-slot module. The NI PXI-5690 has gain and noise characteristics to upgrade the dynamic range and influence of the PXI RF signal vector analyzer. The PXI-5690 can automatically omit its gain by associating it with a direct path. This utility enhances the NI PXI-5690 PXI RF signal Analyzer's ability to perform tests and inspections, changing dynamic range and easily monitoring extremely weak and strong signals.
The PXI-5690 is intended to be associated with RF vector signal analyzers, such as the NI PXI-5660. The NI PXI-5690 is a simple gadget that enhances or limits its input signal according to predetermined path and gain Settings. No trigger plan is required.
In this model, (CH 0) is used as a stable gain preamplifier with a range gain of 30 dB. The channel provides a low noise figure and level frequency response, so users can utilize CH 0 just as they would with a traditional fixed-gain preamplifier. On the other hand, (CH 1) is used as a programmable preamplifier and contains two client selectable paths.
☆型号：PXI-5691 射频放大器 可配置增益
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