[Elecraft] Hello Test again

[eric]

test
-- 
Eric P. Nichols, KL7AJ, NNN0AKA, WD2XSH/27
P.O. Box 56235
North Pole, AK 99705
(907) 488-0483
kl7aj at acsalaska.net
epnichols at alaska.edu
kl7aj at arrl.net
http://ericnichols.net
On Saturday 20 November 2010 09:04:51 am Joe Subich, W4TV wrote:
> > It's a very old broadcast engineering technique that we both
> > remembered. I've used the series capacitor when I wanted to use other
> > pro mics with ham rigs that lacked mic EQ, and it worked quite well.
> 
> In this case, the value is chosen in conjunction with the shunt
> resistor to provide the 16 to 20 dB pad to bring the CM-500 level
> down to something more like what Yaesu expects to see.   It provides
> a dual function ... both level matching and response shaping.
> 
> > The cap is for LF rolloff, not DC blocking (which is not needed).
> 
> It's not needed for blocking in Yaesu rigs.  However, some other
> manufacturers do not include a blocking capacitor and failing to
> include one in a "DC adder" for an electret mic (or FET preamp)
> can upset the bias of the rig's mic preamp.
> 
> 73,
> 
>     ... Joe, W4TV
> 
> On 11/20/2010 12:35 PM, Jim Brown wrote:
> > On 11/19/2010 6:23 PM, Luis V. Romero wrote:
> >> These Orions are really bassy.
> >
> > I understand.  Makes you appreciate the K3 even more -- no need for the
> > W2IHY unit, or for external EQ.
> >
> > Take a look at the simple circuit that Joe, W4TV,  posted yesterday.
> > It's a very old broadcast engineering technique that we both remembered.
> > I've used the series capacitor when I wanted to use other pro mics with
> > ham rigs that lacked mic EQ, and it worked quite well.  You'll see that
> > in the Ham Interfacing tutorial that I posted to my website several
> > years ago. The cap is for LF rolloff, not DC blocking (which is not
> > needed).  The only trick is finding the small cap needed to fit inside
> > the connector.
> >
> > 73, Jim K9YC
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