Showing Results for Keysight Technologies (Agilent HP) 8753A

The HP 8753A RF vector network analyzer integrates a high resolution synthesized RF source and a dual channel three-input receiver to measure and display magnitude, phase, and group delay of transmitted and reflected power. The 8753A option 010 has the additional capability of transforming measured data from the frequency domain to the time domain.

Digital signal processing lets the 8753A measure signals over a wide 100 dB of dynamic range over the entire 300 kHz to 3 GHz frequency range. The tuned receiver yields a spurious free minimum sensitivity of -100 dBm. The 8753A also provides marker resolutions of 0.001 dB, 0.01 degree, and 0.01 ns. The IF processing and detection system contribute as little as ±0.05 dB and ±0.5 degree of dynamic accuracy uncertainty over a 50 dB measurement range. Various levels of accuracy enhancement are possible—from a simple frequency response calibration to a full two-port calibration. Residual directivity can be improved to >50 dB, residual source and load match to >40 dB, and residual frequency response to <0.05 dB.

The 8753A integrated synthesized source provides >100 mw of output power, 1 Hz frequency resolution, and linear or logrithmic frequency sweeps.

The 8753A offers two time domain modes. The Low Pass mode, provides the TDR measurement capability and gives the response of the network to a mathematically simulated step or impulse response. This mode gives information of the type of impedance present at the discontinuity. The Band Pass time domain mode, which has only the impulse stimulus, may be used over any frequency range to give the time domain response of frequency selective devices such as SAW filters or antennas. Gating is another time domain feature that can be used to selectively isolate a single response in time and then convert just that response back to the frequency domain.

• Source
  • Frequency range: 300 kHz to 3 GHz
  • Frequency resolution: 1 Hz
  • Power range: -5 to +20 dBm
  • Harmonics: ≤-25 dBc (20 dBm output level), typically ≤-50 dBc (0 dBm output level)
  • Nonharmonics - mixer related: ≤-32 dBc (20 dBm output level), typically ≤-55 dBc (0 dBm output level)
  • Nonharmonics - phase noise (0 kHz offset in 1 Hz BW): f<135 MHz: -90 dBc, f≥135 MHz: -90 dBc + 20*log(f/135 MHz)
• Receiver
  • Frequency range: 300 kHz to 3 GHz
  • Inputs: A, B 100 dB dynamic range
  • Sensitivity (noise level): 3 kHz BW: ‑90 dBm; 10 Hz BW: ‑110 dBm typical
  • Maximum input level: 0 dBm
  • Input Crosstalk: 300 kHz to 1 GHz: ‑100 dB; 1 GHz to 3 GHz: ‑90 dB
  • Delay range: 1/2*(1/minimum aperture)
  • Delay aperture: Selectable (frequency span)/(# points -1) to 20% of frequency span