Wave transmission lines and networks – Plural channel systems – With balanced circuits
Patent
1986-07-07
1987-11-17
Laroche, Eugene R.
Wave transmission lines and networks
Plural channel systems
With balanced circuits
333 24R, 333124, 333129, 333132, H01P 500, H03H 752
Patent
active
047076720
ABSTRACT:
Input and output equipment are provided for connecting first and second wideband signal transmission mediums through link equivalent to a balanced transmission line. The line can be made up of crosspoint cells includes in a wideband switching matrix, or can be a line distributed to intermediate equipments in a videocommuncation network. The input equipment includes means for separating high and low frequency signals included in the received wideband signals, means for transmitting the high frequency signals in differential mode, and means for transmitting the low frequency signals in High-Input Low-Output (HILO) mode. The output equipment includes means for taking the high and low frequency signals separately and means for summing the high and low frequency signals into wideband signals to be transmitted in the second medium.
REFERENCES:
R. R. Laane, The Bell System Technical Journal, HILO- An Improved Transmission Scheme for Semiconductor Switching Networks, Mar. 1971, pp. 1089-1093.
Steve Kelly, Electronics Designer's Handbook, Applications of the MC3416 Crosspoint Switch, pp. 1-11.
Electrical Designers' Handbook Appendixes 1-3, pp. 12-15.
Duret Christian
Pirio Francis
Ham Seung
LaRoche Eugene R.
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