N9020A MXA Signal Analyzer

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N9020A MXA Signal Analyzer

8753ES Network Analyzer

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SM200B Spectrum Analyzer

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28B - Phase Matrix, Inc. Frequency Counters


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  • Model: 28B
  • Manufactured by: Phase Matrix, Inc.
  • Max. Freq.: 26.0GHz
  • Freq. Resolution [Digits]: n/a
  • Measurements: Frequency, Power
  • Extra Specifications: Microwave Frequency Counter
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Phase Matrix, Inc. 28B Overview

The Phase Matrix / EIP 25B/28B family of CW frequency counters is the ideal choice when it comes to communications applications. These half-rack portable, rugged units combine durability and small size with high performance features typically found only in larger bench-top instruments.

  • Frequency Range Band 1: 10 Hz to 100 MHz Band 2: 10 MHz to 1 GHz Band 3: 1 GHz to 20 GHz (25B) or 26 GHz (28B)
  • Sensitivity Band 1: 25 mV RMS Band 2: -20 dBm Band 3: -30 dBm to 12.4 GHz, -25 dBm to 20 GHz, -20 dBm to 26.5(28B)
  • Acquisition Time Normal Mode : 200 ms Center Frequency Mode: 20 ms
  • Power Measurement Range : Same as Band 3 Accuracy : +/- 1.2 dB typical
  • Keyboard controlled frequency limit selection
  • 200 Watt (+53 dBm) peak damage protection
  • 10 dB automatic amplitude discrimination
  • Up to 800 MHz/sec tracking speed
  • 20 MHz P-P FM tolerance up to a 10 MHz rate
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