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Discontinued Filters

  • 11678A Low-Pass Filter Kit [Obsolete] 11678A Low-Pass Filter Kit [Obsolete] 

    11678A Low-Pass Filter Kit [Obsolete]

    The Keysight 11678A low-pass filter kit contains five filters.

  • 11694A Matching Transformer, 3 to 500 MHz, 75 Ohms [Obsolete] 11694A Matching Transformer, 3 to 500 MHz, 75 Ohms [Obsolete] 

    11694A Matching Transformer, 3 to 500 MHz, 75 Ohms [Obsolete]

    The Keysight 11694A allows measurements in 75 ohm systems while retaining amplitude calibration with 50 ohm spectrum analyzer input.

  • N4261A Filter Tuning Software  [Obsolete] N4261A Filter Tuning Software [Obsolete] 

    N4261A Filter Tuning Software [Obsolete]

    The N4261A filter tuning software reduces the training time required to tune filters, decreases the average tuning time, and increases filter tuning consistency.