VTVM w/RF Probe

Dave Edwards ham at CYBERCOMM.NET
Wed Dec 12 19:14:29 EST 2001


Jerry....
Well, my instant thought was to use a VTVM with an RF probe.
They are easy to come by. But, the reason the Heath manual specifies a VTVM
is so as not to load the circuits down. You can use a good current FET VOM
like Rat Shack sells. RF probe is about 3 parts.... Check any handbook. You
are going to use it to peak or null something, so the accuracy does not
matter.
Regards....Dave
----- Original Message -----
From: ejforwood Jerold Forwood <ejforwood at MSN.COM>
To: <HEATH at LISTSERV.TEMPE.GOV>
Sent: Wednesday, December 12, 2001 1:34 PM
Subject: VTVM w/RF Probe


I have been away from working on ham equipment since the 70's now I am
trying to start to align a SB-401 Transmitter.  The manual calls for the use
of a VTVM with an RF Probe.  I asked a clerk at RadioShack.com what is used
today for this type of measurements? His reply was, "What's a VTVM?".
So now I pose the question here.  What do you use today, if you don't have
an old VTVM with an RF Probe?  I also don't want to spend an arm and a leg
for it.  I don't feel I need to spend enough on the meter to buy another
radio.

Thanks and 73's,
Jerry, K0EJF

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