----- Original Message -----
From: "Ronald Hands" <rhands@mountaincable.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Sunday, February 07, 2010 1:26 AM
Subject: Re: [TenTec] Old vs New = crunch time
> Dr. Gerald N. Johnson wrote:
>> But that relaxation oscillator has one good feature. It starts and stops
>> fast, so it doesn't hang behind fast keying. A low pass filter on the
>> speaker can help it a lot. I'll have a circuit that I did over 20 years
>> ago up on a web page in a while.
>>
> It probably achieves the same effect as my MFJ DSP filter (I think it's
> a model 784b), which does a terrific job of smoothing the Corsair II
> side tone and also adds other bells and whistles such as selectivity and
> heterodyne deletion. I've heard others complain that their outboard DSP
> units introduced a disconcerting amount of delay in the side tone
> signal, but I didn't notice that effect with the MFJ, even when using a
> keyboard. The MFJ unit also boasts very robust audio. That I was able
> to buy it secondhand at a very attractive price also added to its charm.
>
> -- Ron
> VE3SP
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|