Tuning bandwidth minimization for low voltage dual band receiver

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency

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Details

455307, 4551891, 455147, H04B 118, H04B 1702, H04B 110

Patent

active

061252689

ABSTRACT:
A mobile radio telephone having a minimized tuning bandwidth, based on limiting intermediate frequencies at the highest and lowest expected receive frequencies in each band. A dual band, dual mode mobile phone can be constructed which maintains or improves intermodulation performance using fewer battery cells without additional circuitry.

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patent: 5610559 (1997-03-01), Dent
patent: 5852772 (1998-12-01), Lampe et al.
patent: 5890051 (1999-03-01), Schlang et al.

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