Wideband active balun using darlington pair

Details Wideband active balun using darlington pair Wideband active balun using darlington pair

2008-06-24

2010-06-01

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including balanced to unbalanced circuits and vice versa

Reexamination Certificate

active

07728673

ABSTRACT:
An active balun with Darlington pairs obtains a wideband operation. With differential output signals, a size of the active balun is minimized. The present invention can be applied to a transceiver. With a wideband amplitude match and 180° out of phase, the performance of the transceiver is improved by the present invention for a few wide applications.

REFERENCES:
patent: 4024462 (1977-05-01), Highnote et al.
patent: 6922108 (2005-07-01), Lin
patent: 7123091 (2006-10-01), Sirito-Olivier et al.

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