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Hum Reducer For Direct-Conversion Receivers Circuit

2017-09-07 01:03  
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One cure for ac power line hum and ripple (caused by leakage current) is to use a well-reg-ulated and filtered 9- to 18-Vdc power supply with a balancing choke
Hum Reducer For Direct-Conversion Receivers Circuit

(Tl in this illustration) between the power supply and the DCR.



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