Temperature-stabilized microwave filter

Details Temperature-stabilized microwave filter Temperature-stabilized microwave filter

1982-10-20

1984-08-14

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333212, 333232, 333253, H01P 1208, H01P 706

Patent

active

044659890

ABSTRACT:
In a temperature-stabilized microwave filter, each resonant cavity (5) is tuned by means of a tuning rod (10) of a thermally stable material. A first end of each tuning rod (10) extends into the respective cavity (5) without touching its surface. A second end is clamped, remotely of the cavity (5), into the filter body (1-2). At the position of this second end the filter body (1-2) has a bore (13) of substantially the same diameter as the tuning rod (10). The tuning rods (10) are clamped by pairs of retaining screws (15) accommodated in clearance holes in the filter body on one side of a longitudinal groove (21) intersecting the bore (13) and anchored into the filter body (1-2) on the other side of the groove (21).

REFERENCES:
patent: 3528042 (1970-09-01), Weinberger

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