Triple balanced mixer

Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion

Reexamination Certificate

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Details

C455S293000, C455S333000

Reexamination Certificate

active

06917796

ABSTRACT:
A triple balanced mixer has a compact size and is readily assembled. The triple balanced mixer has a planar substrate that is formed from several layers of low temperature co-fired ceramic. The substrate has a top layer, a bottom layer and inner layers. Vias extend through the substrate. A local oscillator balun and RF balun are located on the inner layers. An intermediate frequency balun is mounted to the top layer. Diode rings are mounted on the top layer. The diode rings are electrically connected to the local oscillator balun, the RF balun and the intermediate frequency balun through the vias.

REFERENCES:
patent: 6587699 (2003-07-01), Olsen et al.
patent: 6611696 (2003-08-01), Chedester et al.
patent: 6665546 (2003-12-01), Slaughter et al.
patent: 6714800 (2004-03-01), Johnson et al.

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