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87300B Agilent Directional Coupler

The 87300B is a Directional Coupler from Agilent. An electronic test equipment coupler is useful for reflectometer applications, attenuation measurements, power measurements, microwave measurements, network analysis, and source leveling, to name a few.

Additional Features:

  • Frequency range: 1 to 20 GHz
  • Frequency sensitivity: ± 0.35 dB, 1 to 20 GHz
  • Directivity: > 16 dB
  • Maximum SWR: 1.35
  • Compact size
  • Excellent performance

The Agilent 87300B is a compact, broadband directional sampling coupler designed for signal monitoring or, when combined with a coaxial detector, signal leveling. It is supplied with SMA female connectors.

These compact, broadband directional couplers are important components for many microwave measurement systems. Although most modern signal generators and sweepers supply signals whose power levels are stable with respect to frequency, variations in signal level are introduced due to the cable losses (which increase with frequency) and the frequency response of other components in the signal path.

Inserting a directional coupler into the system with a suitable microwave detector to supply feedback to the ALC circuit of a signal generator or sweeper provides a leveled signal at a particular point in the system.

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