[TenTec] 5 mV = -67 dBm

To:	<tentec@contesting.com>
Subject:	[TenTec] 5 mV = -67 dBm
From:	mark@microenh.com (Mark Erbaugh)
Date:	Fri Jul 25 17:32:44 2003

According to the specs on my Pegasus, the microphone input is 5mV or -67
dBm.  Could someone explain the relationship between mV and dBm?

I just acquired a closeout Radio Shack mixer. The line output is 2V. Would
it be possible to use a simple resistor voltage divider to bring the voltage
down to a level suitable for mic input to the Pegasus? If so, what would  be
the recommended values? Or is there a better circuit?

73,
Mark

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