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#21
March 5th 04, 10:07 AM
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Steve Nosko wrote:
"How come voltage dB and power dB are different?" They aren`t. 10log(power ratio) = 20log(voltage ratio) They are equal because power is proportional to voltage squared. To square with a logarithm, you multiply by (2). Best regards, Richard Harrison, KB5WZI |
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