[WriteLog] Voice keying and FT1000D

2000年2月27日 11:21:45 -0500

>> The FT1000D mic input is 600 ohms. I think the sound card output 
> is 4 or 8 ohms. Could that be part of the problem?
>> Any suggestions or ideas would be appreciated.
>
Randy, 
One way to tell is to connect a 4 Ohm to 1000 Ohm isolation 
transformer between the sound card output and the FT-1000. 
Simply substitute it for the 600:600 Ohm transformer recommended 
in the WriteLog documentation. The alternative is a buffer 
amplifier (pre-amp) between the sound card and the FT-1000 
(and turn off the "boost" in the sound card mic settings). 
Almost sounds like the Dell is using the Ensonic chip set 
for the sound (aka Soundblaster PCI-128). Even the lowly 
old SB-16 works better than the Ensonic chip set! 
73,
 ... Joe Subich, W8IK/4
 <W8IK@ARRL.NET>
 
--
WWW: http://www.contesting.com/writelog
Submissions: writelog@contesting.com
Administrative requests: writelog-REQUEST@contesting.com
Problems: owner-writelog@contesting.com