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DC-DC converter using a novel low power dissipation control IC for a transmitting amplifier of digital portable telephones

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5 Author(s)

A DC-Dc converter used as a DC amplifier for a transmitting amplifier of digital portable telephones is presented. The DC-DC converter can supply a modulated voltage to the transmitting amplifier and achieves a significantly higher efficiency by about 30% over a conventional series regulator. The higher efficiency is due to a newly developed low-dissipation control IC. It consists primarily of CMOS devices which reduce dissipation. The higher efficiency translates into a longer battery usage time. The IC minimizes the converter size since all the needed converter control functions are built in. It makes possible achieving a compact digital portable telephone with longer usage hours

Published in:

Telecommunications Energy Conference, 1992. INTELEC '92., 14th International

Date of Conference:

4-8 Oct 1992