07 | Keysight | N8973B, N8974B, N8975B, N8976B NFA X-Series Noise Figure Analyzer, Multi-touch - Data Sheet

RF input

Connector

N8973B, N8974B, N8975B

Type-N female, 50 Ω nominal

N8976B

2.4 mm male, 50 Ω nominal

Input VSWR

Input VSWR

N8973B, N8974B, N8975B

N8976B

10 MHz to 3.6 GHz

< 1.2:1 nominal

1.2:1 nominal

3.6 GHz to 26.5 GHz

< 1.9:1 nominal

1.5:1 nominal

26.5 GHz to 44.0 GHz

N/A

< 1.8:1 nominal

Measurement

Sweep

Number of points setting

2 to 501, or fixed frequency

Start/stop, center/span, Frequency list of up to 501 points

Sweep trigger

Continuous or single

Measurement speed

Local measurement and display update rate

11 ms (90/s)

Remote measurement and LAN transfer rate

6 ms (167/s)

Marker peak search

5 ms

Center frequency tune and transfer (RF)

22 ms

Center frequency tune and transfer (µW)

49 ms

Measurement/mode switching

75 ms

DUT profiles available

Amplifier

Includes any non-frequency-converting device (e.g. amplifiers, attenuators, filters, etc)

Downconverting DUT

With fixed or variable IF.

Instrument capable of controlling an external LO via GPIB, LAN, or USB

Upconverting DUT

With fixed or variable IF.

Instrument capable of controlling an external LO via GPIB, LAN, or USB

System downconverter

Allows the use of an external downconverting mixer as part of the measurement system.

Instrument capable of controlling an external LO via GPIB, LAN, or USB

Measurement

Display type and N.F. results

Type

4U multitouch

Output format

Graphical, table of values, or meter mode

Display channels

2

Number of markers

4

Limit lines

Upper and lower for each of 2 channels

Noise figure

Noise figure (F dB), or as a ratio (F)

Gain

Gain (G dB)

Y-factor

Y-factor (Y dB)

T effective

Effective noise temperature in Kelvin

P hot

Relative power density in dB

P cold

Relative power density in dB