Indudes_general

Published:2009/6/24 23:11:00 Author:Jessie | From:SeekIC

purpose RF amplifiers covering various portions of spectrum from DC to 2.3 GHz at outputs up to 230W, some with voltage-controlled gain, for pulses as well as video and other RF signals. See other chapters in book for RF amplifiers having specific applications. 0.25-400 MHz CASCADE-Three hybrid nlodules in cascade provide gain of 43.5 dB with flatness of ±1 dB over frequency range. Circuit draws 44 mA from 12-VDC supply. Modules 1 and 2 are Motorola MWA110, and module 3 is MWA120. All capacitors are 0.018μF. R1 and R2 are 1K,and R3 is 300 ohms，-“Wideband HybridAmplifiers、”Motorola,Phoenix,AZ, 1978、DS 5712



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