Amplifiers – With semiconductor amplifying device – Including plural stages cascaded
Reexamination Certificate
2007-12-20
2010-06-15
Choe, Henry K (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including plural stages cascaded
C330S253000
Reexamination Certificate
active
07737788
ABSTRACT:
A communication device includes a first polarity driver circuit including a first current source, a first amplifier that receives an input signal, that controls the first current source, and that receives a signal from the first current source, a first cascode device arranged in a cascode configuration with the first current source, and a second amplifier that receives a bias signal, that controls the first cascode device, and that receives a signal from the first cascode device.
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patent: 6154784 (2
Roo Pierte
Sutardja Sehat
Choe Henry K
Marvell International Ltd.
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