40_265_MHz_VMOS

Published:2009/6/25 22:21:00 Author:May | From:SeekIC

Wideband power amplifier using Siliconix Mospower FET in negative-feed-back circuit has flat gain within 0.5 dB over entire operational range of 40 to 265 MHz. Use 6 to 8 turns of No.30 on 1/2-W 1-megohm resistor for L1 (not commercially molded choke). T1 is 4 turns No.22 twisted- pair on Indiana General F625-902 toroid core. Avoid static charges until transistor is soldered into circuit.-E. Oxner, Mospower FET as a Broadband Amplifier, Ham Radlio, Dec.1976, p 32-35.



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