[AMRadio] Right angle drives and the signal hound


Bob Gunther kg4ojz at hotmail.com
Fri Dec 16 17:47:46 EST 2011


No problem with birdies on mine.
 > From: qedconsultants at embarqmail.com
> To: amradio at mailman.qth.net
> Date: Fri, 16 Dec 2011 12:35:52 -0500
> Subject: Re: [AMRadio] Right angle drives and the signal hound
> 
>  I have been searching for a source of good right angle drives and seem to 
> have found one at Torque Transmission, an Ohio co.  ordered two of the 
> double output shaft  drives after talking to them.  I need to gang two 
> vacuum variable caps for a P-P amplifier and these should work. Not cheap, 
> about $76 each.
> 
> The signal hound looks interesting but seems to be more an item of test 
> equipment and not really usable as a receiver as are some of the  SDR  guys. 
> The signal hound shows +20dBm as the max allowable signal. and also shows 
> sensitivaty as better than -160 dBm ! They do not say at what bandwidth, but 
> it has to be at the tightest of 1/10 of a cycle BW.   that is sure not 
> usable for any communication.    They also alude to what I used to call 
> birdies.   That is a problem with the SDR-IQ, as is the horrible audio out 
> of that thing.  It does make a nice band scope. 
> 
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