For example: Agilent E4440A or Anritsu 68369
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- Keysight / Agilent
- Keysight / Agilent 87441A
Sonet/SDH STM-1 low-pass filter
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Keysight / Agilent 87441A Overview
The Agilent 87441 family of filters is designed for use with broadband optical/electrical converters used in transmitter eye-pattern conformance testing. The filters are measured to comply with Synchronous Digital Hierarchy (SDH), Synchronous Optical Network (SONET) and Fibre Channel standards. The Agilent 87441 family is fourth-order, Bessel-Thomson, low-pass filters that have -3 dB cutoff frequencies at 0.75 x the data rate of the SDH, SONET, and Fibre Channel rates being used. Each filter is supplied with measured performance data that meets the ITU-TS G.957 standard for frequency response.
Features:
- Fourth-order Bessel-Thomson response per G.957 and ANSI Fibre Channel ITU-TS
- Easily inserts between optical/electrical conversions and oscilloscopes
- Each filter supplies measured frequency-response data