Jan

What configuration did you use on your lz1aq loop?

Mike va3mw

> On Jan 31, 2015, at 6:02 PM, jim <[email protected]> wrote:
> 
> 
> The LZ1AQ amplifier is NOT a differential input amp, rather it is referenced 
> to ground.
> 
> This can have significant issues as it relates to common mode noise.
> 
> As a result of my research, I ended up with a Pixel loop.  The amp has great 
> characteristics, differential input, uses an A.C.  wallwart for low noise, 
> and the install instructions isolate the amp from any ground.  
> 
> The loop interface also has a control line input from your rig, that controls 
> an internal relay, so the amp is protected when you transmit.  The loop was 
> designed by hams.
> 
> The mechanical design of the loop is excellent, using welds at the aluminum 
> joints.
> 
> I have no interest in the Pixel company, just a very satisfied customer.  So 
> satisfied, I bought two of them and phase them with a DX Engineering NCC-1 
> phaser.
> 
> Jim
> W6AIM
> 
> 
> 
> -----Original Message-----
> From: Elecraft [mailto:[email protected]] On Behalf Of Wouter 
> Jan Ubbels
> Sent: Saturday, January 31, 2015 12:28 PM
> To: [email protected]
> Subject: Re: [Elecraft] Elecraft Digest, Vol 129, Issue 41
> 
> Hi Paul,
> 
> I can recommend LZ1AQ´s active loop antenna.
> See
> 
> http://active-antenna.eu/
> 
> It offers a nice variety of antenna configuration options, and it plays very 
> well here as a separate RX antenna at my urban & noisy QTH. The unit is of 
> high quality, and very well documented.
> I am using it with my KX3 and a homebrew switchbox which uses reed relays for 
> QSK switching, controlled by the KX3 PTT output taken from the ACC2 jack.
> 
> 73,
> 
> Wouter Jan PE4WJ
> 
> 
> 
>> Message: 2
>> Date: Fri, 30 Jan 2015 19:15:32 +0000
>> From: Paul Barlow <[email protected]>
>> To: <[email protected]>
>> Subject: [Elecraft] Separate Receiving Antenna
>> Message-ID: <[email protected]>
>> Content-Type: text/plain; charset="us-ascii"
>> 
>> Dear Elecrafters,
>> 
>> I have a very small and odd shaped garden in which to play Ham Radio. 
>> I have a K3 (and a K2 and... ), I run QRP CW and I was wondering if 
>> anyone had experience of using active loop antennas as receiving 
>> antennas to lower the noise floor. I was looking at Wellbrook's 
>> Website this afternoon, and I see that their loops get good reviews on 
>> EHam. I was wondering what experience you guys might have with these 
>> and similar antennas.
>> 
>> 73, Paul EI5KI
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