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A Variable Gain MMIC Amplifier

M. Anowar Masud (Institutionen för mikroteknologi och nanovetenskap, Mikrovågselektronik) ; Herbert Zirath (Institutionen för mikroteknologi och nanovetenskap, Mikrovågselektronik)
Proceedings of the 11th GAAS Symposium, Munich-2003 p. 169-172. (2003)
[Konferensbidrag, refereegranskat]

A variable gain MMIC amplifier block is demonstrated. A maximum gain of 13 dB with a control range of 13 dB is obtained at 2.5GHz. The –3dB bandwidth is 5 GHz. The circuit consists of a cascade input stage with an active load followed by a source follower for impedance transformation. A GaAs pseudomorphic HEMT technology is used for the implementation. The active circuit area is less then 0.5 mm2.

Denna post skapades 2006-10-13. Senast ändrad 2017-03-21.
CPL Pubid: 22789