专利名称：Variable gain amplifier
发明人：Carl Stephelbauer,Markus Zannoth申请号：US11047492申请日：20050131
公开号：US20060170495A1公开日：20060803
专利附图：
摘要：A high frequency amplifier arrangement comprises a first stage with amodulator receiving a baseband signal, and a controllable current shunting devicecoupled with the modulator; a second stage coupled with the first stage comprising again controllable emitter follower; a third stage comprising a gain controllable amplifier
coupled with the second stage; and a gain control unit for providing control signals forthe first, second and third stage.
申请人：Carl Stephelbauer,Markus Zannoth
地址：Ennsdorf AT,Munchen DE
国籍：AT,DE
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