I use a Bird 4263 RF Sampler. It's designed for exactly what you want to do.
You put it inline with the coax, and it has a sampling port for your scope
probe. Insertion loss is minimal. See the following link, near the bottom of
Hope this helps.
73, Dick WC1M
> -----Original Message-----
> From: Eric SENSI [mailto:firstname.lastname@example.org]
> Sent: Tuesday, November 23, 2004 3:41 PM
> To: email@example.com
> Subject: [TenTec] Tentec Orion & Oscilloscope question
> Hello all,
> As I'm not an electronic engineer but just an IT engineer :-)
> I'd like to know the better way to take the "modulated
> signal" to inject it into an oscilloscope ?
> I'm very new to this so be cute with me please.
> At the moment I have :
> - A Tentec Orion;
> - A Tektronix 453A oscilloscope (in very nice shape and
> working condition, bought from a Tektronix engineer for nothing !)
> (it's a 50MHz Dual Channel Delayed Sweep Oscilloscope);
> - A new set of oscilloscope probes with 1:1 and 1:10 attenuation;
> - A bunch of newbie questions ! HI
> I'd like to see my modulation signal on the scope while I'm
> talking. I know a guy who is using a "T" shapep M/F/F plug at
> the end of the ANT 1 output... One way goes to the antenna,
> the other to the probe ! I'm not sure it's the better way to
> catch the signal but I can't tell you exactly why. I'm afraid
> of that "open" connection on one side of the output SO-239
> socket... think it's not good for the PA itself.
> Is there another output on the Orion to catch the signal ?
> Via the transverter output jack (I don't think so, because
> the main transmitter is not enabled in that case)... or on
> the AUX I/O or the LINE OUT RCA jack ?
> Many thanks to those who will help with this !
> All the best, Eric de ON6CV.
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