The EC4420 is a dual channel 4W/2W Echo Canceller with 30dB attenuation for echo delay up to 55 ms. Each channel may be configured for 2 wire or 4 wire ports with independent gain adjustment in 1dB steps. The unit may be used for long haul 4 wire circuits, acoustic echo, voice processing delay on multiplexers and echo reduction in mobiles.

The EC4420 is of extended Euro Card format, compatible with the Kenton Euro 92 range.

Features

• Line, Acoustic, processing and mobile echo
• Confirgurable as a 2 wire amplifier
• Echo attenuation >40dB @ ERL = 6dB
• Input Level range –31dB to +10dB
• Output Level range –8dB to +7dB
• Manual & Automatic tone disable to ITU-T G164/G165
• Transhybrid loss unconditional balance >40dB
• THD >40dB @ 0dB
• Local and Line port 2W or 4W link selectable
• Weighted noise <-60dB
• Supply range –20 to –60 VDC
• Temperature range 0 to +70° C

KENTON RESEARCH LIMITED
Unit 19, Bourne Industrial Park, Crayford Kent DA1 4BZ
Tel: 01322 552000   Fax: 01322 552020