Double-stub transmission line elements in communication networks

Details Double-stub transmission line elements in communication networks Double-stub transmission line elements in communication networks

1977-03-14

1978-03-28

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

With balanced circuits

333 9, 333 97R, H01P 110, H01P 512

Patent

active

040817679

ABSTRACT:
An element in a transmission line network consists of two short, open-ended stubs which are attached to a transmission line at a single station on that line and are of the same characteristic impedance as the line. The stubs act on a passing wavefront in the line to: first, reduce the forward voltage for the momentary duration of the two-way transit time within the stubs; then, to restore the forward voltage completely and without ringing. With the addition of high-input-impedance amplifiers, an improvement in communication branching is obtained and, with the addition of double-pole single-throw switches, an improvement in switching-tree performance is obtained.

REFERENCES:
patent: 1933669 (1933-11-01), Gilman
patent: 2579751 (1951-12-01), Muchmore
Ragan, Microwave Transmission Circuits, Rad. Lab. Series 9, McGraw-Hill, N. Y. 1948, pp. 517, 518 & title page cited.

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