Advantest R3131A Spectrum Analyzer

Need Help? Call (800) 404-2832ATEC AssuranceWorldwide Delivery
Advantest R3131A Spectrum Analyzer
Enlarge Image
Advantest R3131A
Request Quote Print Page
The R3131A is an easy-to-use personal spectrum analyzer which combines high accuracy necessary for digital radio measurement with excellent operability and usability. The R3131A can be used in diverse fields, for a multitude of applications.
Advantest R3131A Features
  • Built-in high accuracy OBW, ACP, and Power measurement functions which can be applied to digital radio measurement
  • Improved level accuracy
  • Improved SPAN accuracy
  • Frequency stabilization
  • Improved ease of use through Auto TUNE function
  • Total level accuracy guaranteed by Auto CAL function
  • Standard interfaces: GPIB, RS232C, Centronics, and FD drive
  • Large character display allows results to be seen
  • Substantial EMC measurement function
  • Improved system operation speed
  • Operation key arrangement for ease of use
  • Compact and light weight (12kg) with a space-saving design
  • High performance realized within an economical platform
  • Tracking generator option (OPT.74)
Advantest R3131A Specs
Frequency Range: 9 kHz to 3 GHz
Frequency reading accuracy: ± (Frequency reading x Frequency
reference accuracy+ Span x Span accuracy + 0.15 x Resolution bandwidth + 1 kHz)
Marker counter accuracy: ± (Marker frequency x Frequency
reference accuracy + 1 LSD)
(S/N ≥ 25 dB, SPAN ≤ 200 MHz)
Marker counter resolution:   1 Hz to 1 kHz
Frequency reference
source accuracy:
±2 ppm/year
±5 ppm at operating temperature range
Frequency span: zero, 50 kHz to 3 GHz
under range (Specs not binding)
down to 10 kHz
Frequency span accuracy: ≤ ±3%
Frequency stability Residual FM: ≤ 100 Hzp-p/100 ms (zero span)
Sideband noise: ≤ 100 dBc/Hz (20 kHz offset)
Resolution 3 dB bandwidth:
Bandwidth accuracy:
1 kHz to 1 MHz; 1-3 step
≤ ±20%
≤ 15:1 (60 dB:3 dB)
6dB bandwidth: 9 kHz,120 kHz
Video bandwidth: 10 Hz to 1MHz; 1-10 step