28V_AT_7A

Published:2009/7/19 22:44:00 Author:Jessie | From:SeekIC

Uses Motorola MPC1000 positive voltage regulator to provide regulated voltage for aircraft radio equipment being used at ground station. Current-limiting resistor RSC is in range of 0.66 to 0.066 ohm. Use copper wire about 50% longer than calculated length and shorten step by step until required pass current is obtained; thus, start with 25 ft of No. 16, 15 ft of No. 18, 10ft of No. 20, or 6ft of No. 22. Input voltage is obtained from 30-V transformer and bridge rectifier.-G. L. Tater, The MPC1000-Super Regulator, Ham Radio, Sept. 1976, p 52-54.



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