Amplifier control device

Telecommunications – Transmitter – Power control – power supply – or bias voltage supply

Reexamination Certificate

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Details

C330S285000, C330S296000

Reexamination Certificate

active

07664473

ABSTRACT:
A bias control signal generation unit detects ON and OFF of a transmission signal input to an amplifier and having a property of a burst according to burst information. The bias control signal generation unit controls a bias voltage to be applied to an amplifier such that an idle current flowing through the amplifier can be flowing in a larger amount in a transmission OFF period, and can return to a normal level in a transmission ON period.

REFERENCES:
patent: 5406225 (1995-04-01), Iida et al.
patent: 5438298 (1995-08-01), Hori
patent: 2002/0168025 (2002-11-01), Schwent
patent: 05-129860 (1993-05-01), None
patent: 10-023089 (1998-01-01), None
patent: 9921293 (1999-04-01), None
patent: 0027038 (2000-05-01), None
European Search Report based on EP 06022664 (dated Feb. 23, 2009).
Becker R. et al: “SP 22.4: PRAM—A Power Ramping Controller for TDMA Systems in Digital Mobile Telecom Applications” IEEE International Solid State Circuits Conference, IEEE Service Center, New York, NY, US, vol. 40, Feb. 1, 1997, p. 370/371, XP000753138 ISSN: 0193-6530.
Extended Search Report issued May 7, 2009 in corres. European Pat. Appln. 060226644.4.

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