Preselectors : Agilent HP 8445B/003

This Product is Refurbished

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The 8445B Automatic Preselector contains a YIG filter which tracks the tuned frequency of the analyzer over the range of 1.8 to 18GHz. The preselector suppresses the image and multiple responses which result from harmonic mixing. The YIG filter is electronically tuned by sweep voltage and band code signals from the analyzer. Tracking filter 3 dB bandwidth is typically 20 to 45MHz. Tracking filter skirt roll-off is nominally 18 dB/octave. Insertion loss for the low-pass filter (DC to 1.8GHz) is <2.5 dB. Insertion loss for the tracking filter is (1.8 to 12GHz) <8 dB and (12 to 18GHz) <10 dB. Manufacturer's Options Option 001 = APC-7 Connectors Option 002 = Add Manual Controls Option 003 = Add Digital Frequency Readout Option 004 = Delete Low-Pass Filter Option 005 = Delete Interconnect Rigid Coax

Calibration available for an additional charge. We buy surplus test equipment. Repair services available.

• Model: 8445B/003
• Manufactured by: Agilent HP