[Yaesu] D-104. Nice sounding mic.
Ron Youvan
ka4inm at tampabay.rr.com
Mon Nov 23 16:49:39 EST 2009
> I use a D-104 on the FT-920 and have a homebrewed impedance matching circuit
> that uses a 3N211 dual gate MOSFET. The input load is 2.7 megohm which
> supports the full frequency range of the D-104 element. The output line is
> terminated with a 1 k resistor which matches most modern radios with low
> impedance MIC's. The 3N211 will match a wide range of output impedances. The
> 1k load seems to suit the FT-920 and my Icom IC-735.
It is my understanding that SSB transceivers transmit through the same 2 to 2.4 kc/s
filter that they receive with so I don't understand how one MIC can have "so much better
better highs on the air" than another, since all highs are all stripped off.
--
Ron KA4INM - I'm proud to be Chuck's pop!
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