Keysight N9040B UXA Spectrum Analyzer

class bench.keysight.n9040b.N9040B(address: str | None = None, use_config_file=False)

Bases: Common

Keysight N9040B UXA

property center_frequency: float

Returns the current center frequency in Hz

get_marker_amplitude(marker=1)

Get current value of marker in dBm

get_peak_table(peak_threshold_dBm: float, excursion_dB: float = 5) → dict

Get table of peaks

Args:

peak_threshold_dBm (float) : Minimum threshold for peak excursion_dB (float) : Minimum variation to be considered a peak

id = 'N9040B'

Substring returned by IDN query to identify the device

measure_sfdr(span_hz=None, center_frequency_hz=None, max_iterations: int = 4, level_step_dBm: float = 6) → float

Determine SFDR in dBc

Args:

span_hz (int optional): Set span in Hz center_frequency_hz (int optional): Set center frequency in Hz max_iterations (int optional): Maximum number of iterations to get at least 2 peaks level_step_dBm (float optional): Noise steps to decrease threshold until peak count > 1

peak_search_marker(marker=1)

Set max peak search for a specific marker

property peak_table

Get peak table status

property reset

Reset the instrument

screenshot(filename: str = 'N9040B_sc.png')

Takes a screenshot on PXA and returns it locally

Args:

filename (str): filename+path to screenshot

property span: float

Returns the Span in HZ