[Fox_Tango] Receiver monitoring ( YO-100 )

[Davis_R]

Hi Mike,
In case you are wondering about the 'whys' of the mod, although the
YO-100/101 was obviously intended for use with the FT-101 series, the FT-101
did not have enough IF signal level to drive the 'scope.  Hence the mod was
to pick up the IF signal a little farther down the IF chain where the level
was higher.

Keep in mind that in this configuration, the scope is looking at the IF
signal after the IF filter. So, it will display the received signal as
conditioned by the IF filter in use, not giving a true rendition of the
other station's characteristics, unless you are using a very wide, ie 6 KHz
AM, filter.

Good luck, 73 and God Bless
Rick, WD8JJA

----- Original Message -----
From: <af2c@njdxa.org>
To: "Mike" <w4mjr@comcast.net>
Cc: <"mai≬䀀洀愀椀氀洀愀渀⸀焀琀栀⸀渀攀琀
Sent: Wednesday, April 02, 2003 4:12 PM
Subject: Re: [Fox_Tango] Receiver monitoring ( YO-100 )


> Try the mod.  However, couple the scope to the IF through a 3pF
> capacitor.  You can drill another hole in the back "skirt" of the 101 and
> install another RCA jack with the capacitor installed on the inside of the
rig.
>
> The reason for the  3pF cap is to prevent the IF from being "swamped" and
> degrading your receiver.
>
> GL es 73,
> Jay/AF2C
>
>
>
>
>
> At 07:41 AM 4/2/03 -0600, you wrote:
> >I have a Yaesu YO-100 that I wanted to try receiver monitor on a FT-101E.
> >I have made the RCA cable connection from the FT-101E  IF Out to the
> >YO-100 J3 IF but nothing happens. I also see a modification of a small
> >cable run from the FT-101 IF  PB-1183. Has any of you ever tried this and
> >does it work ?
> >
> >
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