|[AMRadio] Testing a TR Switch|
ellenjoanne2003 at sbcglobal.net
Sun Sep 14 12:15:41 EDT 2008
Good points to Mike. I didn't consider those issues.
----- Original Message -----
From: <k0ng at inebraska.com>
To: <amradio at mailman.qth.net>
Sent: Sunday, September 14, 2008 10:57 AM
Subject: Re: [AMRadio] Testing a TR Switch
> Hello Mike: If your Wattmeter is sensitive enough to show 100mW to 1 Watt
> and you applied say 100 Watts to the switch and the Wattmeter showed
> less than 100 mW, I would think that would work to test the B&W switch
> for use with
> tube type equipment. For a sensitive solid state receiver, I would hope
> "feedthru" would be less than 10 mW.
> You would need two 50 Ohm loads (or a resonant antenna for the
> The above is exactly how I test my B&W/Johnson switch's. Just my opinion.
> Also, dont forget to connect your Low Pass Filter to the antenna connector
> of the switch. The switch has been known to produce harmonics.
> Good Luck es 73, Charlie, K0NG ..
> Our Main Website: http://www.amfone.net
> AMRadio mailing list
> Searchable Archives: http://email@example.com/
> List Rules (must read!): http://w5ami.net/amradiofaq.html
> List Home: http://mailman.qth.net/mailman/listinfo/amradio
> Help: http://mailman.qth.net/mmfaq.html
> Post: mailto:AMRadio at mailman.qth.net
> To unsubscribe, send an email to amradio-request at mailman.qth.net with
> the word unsubscribe in the message body.
More information about the AMRadio mailing list
This page last updated 17 Oct 2017.