H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/40 (2006.01) H03G 3/20 (2006.01) H04B 1/38 (2006.01)
Patent
CA 2105027
Abstract A method of controlling an external radio frequency amplifier of a radio telephone and a control system thereof. The power amplifier of the transmission side of the radio frequency amplifier is controlled to turn on and off, on the basis of at least one control signal (BENA1, BENA2) entering the radio frequency amplifier separate from a signal to be transmitted from the radio telephone. The control signal (BENA1, BENA2) contains information about the starting and ending instant of transmission.
Hulkko Jaakko
Matero Jorma
Vilmi Toivo
Nokia Mobile Phones Ltd.
Sim & Mcburney
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