Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate
2005-07-12
2005-07-12
Urban, Edward R (Department: 2685)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
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.
Ji Daxiong
Setty Radha
Nguyen Thuan
Redmond Kevin
Scientific Components
Urban Edward R
LandOfFree
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