• Measurement range: 0 to 30 dB
• Instrumentation Uncertainty: ±0.1 dB
• Resolution: 0 .01 dB (0.001 dB over GPIB)

• Frequency Range: Tunable from 10 to 1600 MHz (10 to 2047 MHz with option 020)
• Tuning Accuracy (for 10 to 40°C): ±(1 MHz + 1% of frequency); 6 MHz maximum
• Frequency Resolution: 1 MHz
• Noise Figure (for input power levels below -60 dBm): <7 dB + 0.003 dB/MHz (<7 dB +0.002 dB/MHz with option 020)
• Input SWR, 50 ohm reference impedance:
  • <1.7 10 MHz to 1600 MHz; (<1.8 with option 020)
  • <2.0 1600 MHz to 2047 MHz - (option 020 only)
• Maximum Operating Input Power: -10 dBm
• Maximum Net External Gain: >65 dB between noise source and HP 8970B RF input

• Noise Source Drive: 28.0 ±0.1 V for noise source On (up to 60 mA peak); <IV for noise source Off
• GPIB Capability: SH1, AH1, T5, TE0, L4, LE0, SR1, RL1, PP0, DC1, DT, C0, E1
• Connectors: RF input: N(f), noise source drive: BNC (f)
• Power: 100, 120, 220 , or 240 V, 48-66 Hz, 150 VA max.
• Weight: 40 lbs (18.5 kg)

• Option 020 - Extends upper frequency from 1600 to 2047 MHz
• Option 700: External MATE translator
• Call for more options

• Tunes its input frequency between 10 and 1600 MHz
• Controls an external LO for receiver or microwave measurements
• Controls the noise source to turn it On or Off
• Makes the noise power measurements
• Calculates the noise figure
• Removes the effects of the measurement system's noise
• Compensates for losses before or after the DUT
• Displays the results in either noise figure, effective noise temperature (Ta), or Y factor

• Be assured of repeatable, accurate, and maintainable microwave noise figure measurements with the 
  HP / Agilent 8971C Noise Figure Test Set.

• Measurement range: -20 to >+40 dB
• Instrumentation Uncertainty: ±0.15 dB
• Resolution:
  • Gain >-9.99 dB: 0.01 dB
  • Gain <-9.99 dB: 0.1 dB

• Bandwidth: Approximately 4 MHz
• Sensitivity: -100 dBm
• Measurement Speed: 6 to 9 measurements per second with minimum smoothing
• Sweep Speed at Minimum Smoothing: Peak-to-peak Y-factor variation <0.02 dB (for smoothing factor of 64)(typical)
• Maximum Safe Input Level: ±20 V dc; +20 dBm peak (or average) at RF
• Audible Noise Level: <5.5 bels at 1 meter

• Noise Figure Display Units:
  • Noise Figure: dB, ration
  • Uncorrected Y factor: dB, ration
  • Effective Input Noise Temperature: K
• Displayed Measurement Frequency Range: 10 to 99,999 MHz
• Hot Noise Source Data Range: ENR from -7 to +50 dB; spot T_hot from 0 to >2.9x10⁷ K
• Number of Calibration Points in One Sweep: 181
• Storage Capacity of Hot Noise Source Tables: 4 stored ENR tables with 35 frequency's each (plus 1 working ENR table)
• Rear Channel Outputs: X axis and Y axis from 0 to 6V. Z axis is TTL for penlift (on an X-Y plotter) blanking (on an oscilloscope)
• Plotter Capability: Noise figure and gain versus frequency plot with grid, title and noise figure, gain, and frequency axis annotation
• Compatible Digital Plotters: HP 7470C, HP 7475A, HP 7550A, HP 7440A, HP 9872B

EMI: Conducted and radiated interference is in compliance with MIL-STD-461B CE03, RE02, EN55011, CLASS A (1991) AND CISPR, Class A (1990).
Conducted and radiated susceptibility: meets the requirements of MIL-STD-461B-1980, CS01/CS02, RS03 and EN50082-1 (1991) (IEC 801-2, 801-3 and 801-4).