N9020A MXA Signal Analyzer

Accelerate the Development of Wireless Devices with the Speed, Performance & Applications to Adapt to Evolving Test Requirements

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N9020A MXA Signal Analyzer

8753ES Network Analyzer

Attain Unrivaled Excellence. Find Out Why Over 70% of Engineering Teams Around the World Select Keysight Network Analyzers

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8753ES Network Analyzer

SM200B Spectrum Analyzer

The High Performance SM200B From Signal Hound: High Performance Speed, Accuracy, Security, and Agility Meet Very Low Cost

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  • ★★★★★

    "Fantastic deal. The oscilloscope is in very good condition. Packed for shipment to survive anything"
    Jeff
  • ★★★★★

    "Premium equipment. Excellent communication. Fast. Best value!"
    Avi
  • ★★★★★

    "Practically in new condition"
    Darcy
  • ★★★★★

    "There was a small issue; The people at BRL Test were 100% responsive and issue resolved. Thanks!"
    Mike
  • ★★★★★

    "Best packing ever! I would let you ship one of my children!"
    Todd
  • ★★★★★

    "Unit received in great shape. Passed Agilent calibration. Good job!!"
    Lee
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    "In every aspect these guys are great!"
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3981 - DL Instruments Lock-in Amplifiers


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  • Model: 3981
  • Manufactured by: DL Instruments
  • High end frequency limit: 20.00kHz
  • Dynamic Reserve: 30 dB in 1X LO DRIFT mode
  • Min. Time Constant: 3.33 msec
  • Max. Time Constant: 3.33 sec
  • Extra Specifications: PC card lock-in amplifier
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DL Instruments 3981 Overview

PC Lock-in Amplifier - The 3981B is a single-board lock-in that occupies one ISA slot in an IBM compatible PC (386/486/Pentium) and provides the features and functions of a standalone lock-in at a fraction of the cost.
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