Multipurpose analog front-end circuit

Details Multipurpose analog front-end circuit Multipurpose analog front-end circuit

1991-03-28

1995-01-03

Chin, Wellington

Multiplex communications

Wide area network

Packet switching

333173, H04L 514, H04B 154

Patent

active

053792947

ABSTRACT:
An analog front-end circuit has a low-group low-pass filter and a low-group high-pass filter connected in series, a high-group low-pass filter and a high-group high-pass filter connected in series, and switching means enabling the low-group high-pass filter and high-group low-pass filter to be connected in series, thus providing three bandpass filters with different passbands.

REFERENCES:
patent: 4852080 (1989-07-01), Ohtake et al.
patent: 4931250 (1990-06-01), Greszczuk
Yamamota, Ohtake, and Kune, "An Analog Front End for 2400-bit/s Split-Band Full-Duplex Modems," IEEE Journal of Solid-State Circuits, vol. SC-21, No. 6, Dec. 1986, pp. 941-946.

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