BRL Test, Inc.

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3381 - Krohn-Hite Tunable Filters


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  • Model: 3381
  • Manufactured by: Krohn-Hite
  • High end frequency limit: 200.00kHz
  • Channels: 1
  • Operation Modes: LP
  • Extra Specifications: Selectable Low-Pass,High-Pass filter

The Krohn-Hite Model 3380 Filter Series are one, two or four channel filters providing ease of operation and the reliability Krohn-Hite has been known for since 1949; along with a price that will fit any budget.

The 3380 Series provides a tunable frequency range from 0.1Hz to 200kHz, and with the 002 option, the range is extended to 0.005Hz. The frequency response characteristic is selectable to either maximally flat (Butterworth) for clean filtering in the frequency domain, or linear phase (Bessel) to provide superior pulse for complex filtering.

Each channel of the 3380 Series is a selectable low-pass or high-pass, 8-pole filter providing an input gain to 50dB, and an output gain to 20dB selectable in 0.1dB steps. The 3380 Series will accept input signals to ±10V peak at 0dB gain and has selectable ac or dc coupling. Memory is available for storing a set-up of the instrument which can be recalled with a simple command.

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