N9000B-P26

N9000B-P26 is a 100KHz to 26.5GHz preamplifier compatible with N9000B-526. One of the primary ways you use spectrum analysers is for searching out and measuring low-level signals. The limitation in these measurements is the noise generated within the spectrum analyser itself, that appears on the display as the noise floor (also known as displayed average noise level (DANL)), and the noise figure of the whole system. Signals below the DANL are masked by the noise and cannot be seen. Therefore, you do whatever you can to set up the analyser for its best sensitivity for detecting low-level narrowband signals. Besides common methods such as reducing the input attenuation, using minimum resolution bandwidth and video resolution bandwidth, you can also use the built-in preamplifier to improve the noise floor of the N9000B CXA signal analyser.

• For use with N9000B CXA signal analyser