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Discontinued Directional Couplers & Bridges

  • 774D Coaxial Dual-Directional Coupler, 215 to 450 MHz  [Obsolete] 774D Coaxial Dual-Directional Coupler, 215 to 450 MHz [Obsolete] 

    774D Coaxial Dual-Directional Coupler, 215 to 450 MHz [Obsolete]

    The Keysight 774D is an economical dual-directional coupler designed for swept measurements in the 215 MHz to 450 MHz range.

  • 779D Coaxial Directional Coupler, 1.7 GHz to 12.4 GHz [Obsolete] 779D Coaxial Directional Coupler, 1.7 GHz to 12.4 GHz [Obsolete] 

    779D Coaxial Directional Coupler, 1.7 GHz to 12.4 GHz [Obsolete]

    The 779D (discontinued item) is an economical directional coupler designed for swept measurements in the 1.7 to 12.4 GHz range. The 773D is a suggested replacement product.

  • 85028A Directivity Verification Standards for 85021A/27A [Obsolete] 85028A Directivity Verification Standards for 85021A/27A [Obsolete] 

    85028A Directivity Verification Standards for 85021A/27A [Obsolete]

    The Keysight 85028A allows on-site verification of the 40 dB directivity of the Keysight 85021A and 85027A directional bridges.

  • 8721A Directional Bridge, 100 kHz to 100 MHz  [Obsolete] 8721A Directional Bridge, 100 kHz to 100 MHz [Obsolete] 

    8721A Directional Bridge, 100 kHz to 100 MHz [Obsolete]

    The Keysight 8721A is used in return-loss measurements made with a swept source such as a tracking generator and spectrum analyzer.