Telephone Line Filters - MPE - #1

A range of high performance communications filters designed for carrying analogue telephone circuits into shielded rooms and communications cabins, and also used as in-line filters for Information Security applications. Filters are offered in two performance variants each available with varistor transient protection to offer additional protection of circuits against the effects of EMP and other conducted transients.

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1k 10k 100k 1M 10M 100M 1G 10G Frequency (Hz)

• Use on 300Q/600Q analogue telephone lines for telephone, fax and modem circuits

• High performance (THP series) or extended performance (TEP series)

• 2 lines to 240 lines as standard

• Available with transient suppression

• Performance exceeds 100dB

• Performance extends to beyond 40GHz

• Choice of packaging and mounting styles

• Filter circuits approved by British Telecom and other PTT's

• Circuits supplied as high symmetry matched pairs

• Pass band ripple <2dB (300Q)

• Filters incorporate MPE self-healing capacitors for high reliability

• Temperature range -40°C to +55°C

• Custom designs available with different packaging, performance, and transient suppression options

NB Rectangular cases are recommended where 100dB is needed beyond 1GHz 300mA with reduced performance

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Telephone filters issue 2 September 2005 This information is for guidance only © 2002 MPE Limited

Web: www.mpe.co.uk E-mail: sales@mpe.co.uk Tel / Fax: +44 (0) 151 632 9100 / 9112