Description
The 157881A-01L is a high-performance Power Sensor manufactured by National Instruments (NI). This particular model, the USB-5684, is designed to provide accurate power measurements across a wide frequency range from 10 MHz to 18 GHz. It is suitable for applications that require precise signal power analysis thanks to its broad signal-to-channel bandwidth of 50 kHz and a fast sampling rate of 10 kS/s.
The sensor is capable of handling input signal levels from -60 dBm to 20 dBm, ensuring versatility in measuring both low and high-power signals. Users can select measurement resolutions of 1 dB, 0.1 dB, or 0.01 dB, allowing for granular analysis of signal power. The aperture time range of the USB-5684 is quite flexible, ranging from 0.01 ms to 1 s, which accommodates a wide array of test and measurement scenarios.
In terms of durability and safety, the device is designed to withstand maximum permissible input voltages of ±20 VDC at the RF port and 5.5 V at the trigger input. This level of input protection ensures the longevity of the power sensor when exposed to unexpected voltage levels during testing procedures.
Overall, the USB-5684 from National Instruments represents a robust and reliable solution for professionals who require precise and efficient power measurements across a variety of frequencies and signal types.
| Specification | Detail |
|---|---|
| Part Number | 157881A-01L |
| Category | Power Sensor |
| Model | USB-5684 |
| Manufacturer | National Instruments (NI) |
| Frequency Range | 10 MHz to 18 GHz |
| Signal-to-Channel Bandwidth | 50 kHz |
| Sampling Rate | 10 kS/s |
| Input Signal Range | -60 dBm to 20 dBm |
| Measurement Resolutions | 1 dB, 0.1 dB, 0.01 dB |
| Aperture Time Range | 0.01 ms to 1 s |
| Max Permissible Input Voltage (VDC) | ±20 VDC at RF port, 5.5 V at trigger input |
Question 1: What is the frequency range of the USB-5684?
Answer 1: 10 MHz to 18 GHz.
Question 2: What power levels can the USB-5684 measure?
Answer 2: -60 dBm to 20 dBm.
Question 3: What is the signal-to-channel bandwidth?
Answer 3: 50 kHz.
Question 4: What measurement resolutions are available?
Answer 4: 1 dB, 0.1 dB, 0.01 dB.
Question 5: What is the max input voltage at the RF port?
Answer 5: ±20 VDC.
