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US 2014/0232459 A1Published application
Bias circuit and amplifier with current limit function
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsShinichi IIZUKA, Young Jean SONG, Ki Joong KIM, Myeong Woo HAN, Ju Young PARK, Youn Suk KIM, Jun Goo WON
Life of this patent
Estimating the term…
Abstract
There are provided a bias circuit and an amplifier having a current limit function, including: a control voltage generating unit generating a control voltage using a reference voltage; a bias voltage generating unit generating a bias voltage according to the control voltage; and a bias current limit unit controlling the control voltage according to a bias current of the bias voltage generating unit.
Claims13
A bias circuit comprising:
- a control voltage generating unit generating a control voltage using a reference voltage;
- a bias voltage generating unit generating a bias voltage according to the control voltage;
- and
- a bias current limit unit controlling the control voltage according to a bias current of the bias voltage generating unit to limit an increase in the bias current.
1 more element
An amplifier comprising:
- a control voltage generating unit generating a control voltage using a reference voltage;
- a bias voltage generating unit generating a bias voltage according to the control voltage;
- a bias current limit unit controlling the control voltage according to a bias current of the bias voltage generating unit;
- and
- an amplifying unit receiving the bias voltage from the bias voltage generating unit to amplify a high frequency signal.
2 more elements
Dependencies are inferred from the claim text.