Microwave power dividers and combiners having an adjustable term

Details Microwave power dividers and combiners having an adjustable term Microwave power dividers and combiners having an adjustable term

1996-12-31

1998-01-06

Pascal, Robert

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333125, 333128, 338195, H01P 512

Patent

active

057059624

ABSTRACT:
Microwave apparatus, such as microwave power dividers or combiners, having an adjustable terminating resistor. The present invention allows adjusting or trimming of the resistor and pretesting of substrates on which the apparatus is formed prior to installation of expensive integrated circuit components. The microwave power divider or combiner has a central contact disposed at a midpoint of the terminating resistor. This central contact is thus disposed at the midpoint of the terminating resistor and is coupled to a test point. Outer edges of the central contact are constructed to be parallel to inner edges of impedance paths or traces over which the terminating resistor lies so that each section of the terminating resistor has substantially the same resistance value.

REFERENCES:
patent: 4450418 (1984-05-01), Yum et al.
patent: 4639694 (1987-01-01), Seino et al.
patent: 4737747 (1988-04-01), Henderson et al.

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