SL070 Optical Communications SL070 matched Bessel Low-pass filter 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Matched Bessel Lowpass Filter Return Loss in dB Insertion Loss in dB M atched atthe inputport 0 Applications • • • • OC-192 Transmit/Receive Test Systems Pulse Shaping System Noise Reduction Frequency in GHz Features ns • • • • • Input Matched Low Insertion Loss Suspended Substrate Stripline High Reliability Linear Phase Filtronic Suspended Substrate Stripline low-pass filters for optical communication systems have been designed with a Bessel phase performance and are suitable for use in TX/RX systems for pulse shaping and noise reduction and in BER test sets. A proprietary, passive, input matching circuit ensures that the no energy is reflected in the stopband. The SL070 is a five pole design, optimised for OC192/STM-64 systems. Other designs for OC48 and OC768 are available on request. Bessel Lowpass Filter SL070 Series Mechanical & Environmental • • • • • SMA Connectors Epoxy Sealed Black Epoxy Finish Through Mounting Holes -30 to +70C Filtronic Components Limited, Airedale House, Acorn Park, Charlestown, Shipley, West Yorkshire, BD17 7SW, England Tel: +44 (0) 1274 531 602, Fax: +44 (0) 1274 595 724 Filtronic Components Inc. 11 Huron Drive, Natick, MA 01760-1314 Tel: (508) 653 0844, Fax: (508) 653 5671 E-mail: [email protected], www.filtronic.com Filtronic reserve the right to change this specification without notice, no liability is accepted for omissions or errors