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2797 - Tektronix Spectrum Analyzers


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  • Model: 2797
  • Manufactured by: Tektronix
  • High end frequency limit: 7.10GHz
  • Resolution Bandwidth Max.: 3MHz
  • Resolution Bandwidth Min.: 10Hz
  • Amplitude Range: n/a
  • Extra Specifications: Spectrum Analyzer

The Tektronix 2797 spectrum analyzer is a wide band, very sensitive receiver. It works on the principle of "super-heterodyne receiver" to convert higher frequencies (normally ranging up to several 10s of GHz) to measurable quantities. The received frequency spectrum is slowly swept through a range of pre-selected frequencies, converting the selected frequency to a measurable DC level (usually logarithmic scale), and displaying the same on the CRT of the Tektronix 2797. The CRT displays received signal strength (y-axis) against frequency ( x-axis).

  • Minimum Frequency 100 kHz 
  • Maximum Frequency 7.1 GHz 
  • Frequency Accuracy 0.007 % 
  • Zero Span Yes 
  • Minimum Span 100 Hz 
  • Maximum Span 4 GHz 
  • Minimum Sweep Time 200 us 
  • Maximum Sweep Time 100 s 
  • Minimum Resolution Bandwidth 10 Hz 
  • Maximum Resolution Bandwidth 3 MHz 
  • Minimum Video Bandwidth 0.3 Hz 
  • Maximum Video Bandwidth 30 kHz 
  • Maximum Safe AC Input 1 dBm 
  • Minimum Displayed Average Noise -130 dBm 
  • Maximum Displayed Average Noise -95 dBm 
  • Maximum Dynamic Range 134 dB 
  • Maximum Amplitude Uncertainty 5 %
  • Input Impedance 50 Ohm  
  • Trigger Source External,Internal 
  • Trigger Modes Freerun,TTL 
  • Probe Power Yes 
  • Noise Source Driver No 
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