Description
The USB-5681 is a state-of-the-art Power Sensor designed and manufactured by National Instruments. This module, identified by part number 200305A-01, is an essential system element for STS (System Test Solution) module assembly. It is specifically engineered to measure RF power with true RMS accuracy across a broad frequency range of 10 MHz to 18 GHz.
This power sensor is capable of handling input signal strengths from -40 dBm to +20 dBm, and it features measurement sub-ranges of +20 dBm to -7 dBm and -7 dBm to -40 dBm. The device supports a bandwidth of 50 kHz and offers a measurement speed of 100 samples per second (S/s), making it both efficient and precise for a wide variety of RF power measurement tasks.
The USB-5681 ensures accuracy with an uncertainty in linearity of less than 3%, providing reliable measurements critical for quality RF performance evaluation and testing. For safety, it complies with several international standards, including IEC 61010-1, EN 61010-1, UL 61010-1, and CSA C22.2 No. 61010-1, ensuring its safe operation in a wide range of environments.
Designed for ease of use, the USB-5681 is powered via 5 VDC, 450 mA from a host USB connection, eliminating the need for external power supplies. Additionally, it offers protection against overvoltages of ±20 VDC at the RF port, and can handle up to +30 dBm of absolute power, ensuring durability and longevity of the device even in demanding test environments.
With its comprehensive features and robust design, the USB-5681 RF Power Sensor is an indispensable tool for professionals who demand precision and reliability in their RF power measurements.
| Specification | Detail |
|---|---|
| Part Number | 200305A-01 |
| Model | USB-5681 |
| Category | Power Sensor |
| Description | System Element, STS, Module Assembly, USB-5681, RF Power Sensor – True RMS, 10 MHz – 18 GHz |
| Manufacturer | National Instruments |
| Frequency Range | 10 MHz to 18 GHz |
| Input Signal Strength | -40 dBm to +20 dBm |
| Measurement Sub-ranges | +20 dBm to -7 dBm, -7 dBm to -40 dBm |
| Bandwidth Support | 50 kHz |
| Measurement Speed | 100 S/s |
| Uncertainty in Linearity | <3 % |
| Safety Standards | IEC 61010-1, EN 61010-1, UL 61010-1, CSA C22.2 No. 61010-1 |
| Power Requirement | 5 VDC, 450 mA (from host USB) |
| Protection | ±20 VDC at RF port, +30 dBm absolute power |
