Agilent 85685A RF Preselector

Agilent 85685A RF Preselector

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The Keysight 85685A RF preselctor is designed to operate with the Keysight 8566B and 8568B spectrum analyzers. The RF preselector adds tracking filters to reduce overloading from out-of-band signal and preamplifiers for improved system sensitivity over the 20 Hz to 2 GHz frequency range. The Keysight 85685A RF preselector has two input, 20 Hz to 50 MHz and 20 MHz to 2 GHz. There is also a bypass mode which is DC to 18 GHz. Input 1 has a built-in transient limiter for protection from transients generated by line impedance stabilization networks (LISN). The preselector is fully programmable over the HP-IB (IEEE-488).

Features:
•Operates with the Keysight 8566B and 8568B spectrum analyzers with battery such as Agilent A3 Battery, Agilent E6000 Battery, Agilent E6000A Battery, Agilent E6000B Battery, Agilent E6000C Battery, Agilent E6080A Battery, Acterna Battery, Acterna MTS-5000 Battery, Acterna MTS-5100e Battery, Air Shields Battery, Vickers 2HR-4UC Battery, Air Shields-Vickers JM103 Battery
•Reduces overloading from out-of-band signal
•Improved system sensitivity
•Built-in transient limiter

•Frequency Range: 20 Hz–50 MHz Bypass
•Connector Type Fuse Blow Time: BNC (50 Ω) < 0.1 sec for > + 35 dBm NA
•Maximum Save Input Power Average Impulsive Signals: + 30 dBm (1 W) 100 W peak for 10µ sec pulse
•DC Voltage: 0 V
•Standing Wave Ratio > 10 dB RFP Atten 0 dB Atten: < 1.5 : 1, < 1.5 : 1 nominal
•RFP Anen Range Preamp Gain: 0–50 dB (10 dB steps), 20 dB for 0 dB RFP atten
•Comb Generator Line Spacing Line Amplitude: 100 kHz, 500 kHz, 1 MHz, 5 MHz (nominal), - 40 to–60 dBm