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Power Limiters

Industry's Best RF & MW Input Protection for Sensitive Test & Measurement Equipment

Keysight's power limiters provide the best broadband input protection from excess RF power, DC transients and ESD, for a variety of RF and microwave instruments and components. For example, the input circuitry of spectrum analyzers, network analyzers, frequency counters or amplifiers can be protected from unintentional inputs up to 5 watts average power. At even greater power levels, failure mode for the limiter is either an open circuit or a short circuit to ground, thereby protecting the instrument from damage.

Compare All Power Limiters (8)

Find a Power Limiter

  • N9355B Power Limiter, 0.01 to 18 GHz N9355B Power Limiter, 0.01 to 18 GHz (1) 

    N9355B Power Limiter, 0.01 to 18 GHz

    The N9355B power limiter provides the best broadband input power protection to sensitive RF and microwave instruments and components.

  • N9356B Power Limiter, 0.01 to 18 GHz N9356B Power Limiter, 0.01 to 18 GHz (1) 

    N9356B Power Limiter, 0.01 to 18 GHz

    The N9356B power limiter provides the best broadband input power protection to sensitive RF and microwave instruments and components.

  • N9355C Power Limiter, 0.01 to 26.5 GHz N9355C Power Limiter, 0.01 to 26.5 GHz (1) 

    N9355C Power Limiter, 0.01 to 26.5 GHz

    The N9355C power limiter provides the best broadband input power protection to sensitive RF and microwave instruments and components.

  • N9356C Power Limiter, 0.01 to 26.5 GHz N9356C Power Limiter, 0.01 to 26.5 GHz (1) 

    N9356C Power Limiter, 0.01 to 26.5 GHz

    The N9356C power limiter provides the best broadband input power protection to sensitive RF and microwave instruments and components.

  • N9355F Power Limiter, 0.01 to 50 GHz N9355F Power Limiter, 0.01 to 50 GHz (1) 

    N9355F Power Limiter, 0.01 to 50 GHz

    The N9355F power limiter provides the best broadband input power protection to sensitive RF and microwave instruments and components. N9355F provides a 10 dBm limiting threshold.

  • 11930A Power Limiter, DC to 6 GHz, APC-7 11930A Power Limiter, DC to 6 GHz, APC-7 (1) 

    11930A Power Limiter, DC to 6 GHz, APC-7

    The Keysight 11930A limiter provides input protection for a variety of RF and microwave instrumentation.

  • 11930B Power Limiter, 5 MHz to 6 GHz, Type-N 11930B Power Limiter, 5 MHz to 6 GHz, Type-N (1) 

    11930B Power Limiter, 5 MHz to 6 GHz, Type-N

    The 11930B limiter provides input protection for a variety of RF and microwave instrumentation.

  • 11867A RF Limiter, 10 Hz to 1800 MHz 11867A RF Limiter, 10 Hz to 1800 MHz (1) 

    11867A RF Limiter, 10 Hz to 1800 MHz

    • Frequency Range: 10 Hz to 1800 MHz
    • Insertion loss: < 1.0 dB
    • Reflects signals up to 10 watts average power and 100 watts peak power