0

1

2

3

4

5

6

7

8

9

10111213

14

1516

1718

19

20

Frequencyin GHz

-30

-25

-20

-15

-10

-5

0

-30

-25

-20

-15

-10

-5

0

SL070 matched Bessel Low-pass filter

Matched atthe inputport

Optical Communications

ns

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.

SL070

Matched Bessel

Lowpass Filter

Applications

•

OC-192 Transmit/Receive

•

Test Systems

•

Pulse Shaping

•

System Noise Reduction

Features

•

Input Matched

•

Low Insertion Loss

•

Suspended Substrate Stripline

•

High Reliability

•

Linear Phase