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9 GHz bandwidth, 8-20 dB controllable-gain monolithic amplifier using AlGaAs/GaAs HBT technology

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4 Author(s)
Ishihara, N. ; NTT LSI Labs., Kanagawa, Japan ; Nakajima, O. ; Ichino, H. ; Yamauchi, Y.

A wideband and controllable-gain amplifier utilising a new parallel feedback technique, which can enhance the bandwidth and can control the gain keeping output DC voltages constant, has been developed using AlGaAs/GaAs HBT technology in monolithic form. This IC achieves a wide bandwidth of DC-9 GHz, and a controllable gain range of 8-20 dB with a total power dissipation of 640 mW at a power supply voltage of 9 V.

Published in:

Electronics Letters  (Volume:25 ,  Issue: 19 )