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DUAL_5_V

2015-03-20 09:25  
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DUAL_5_V
Provides two 5-V regulated supplies for frequency counter, operating either from 9-VDC outputs of AC supply or from 12-VDC auto battery. Splitting of supply divides current demand so regulators operate well below maximum ratings and provide decoupling between sections of load.-J. Pollock, Six Digit 50-MHz Frequency Counter, Ham Radio, Jan. 1976, p 18-22.