[Lowfer] Loop antenna with regeneration

[Jordan Arndt VE6ZT]

Thanks...

I've been looking for a simple Q multiplier ckt at RF rather than IF.....

73...Jordan VE6ZT


----- Original Message ----- 
From: "John Bruce McCreath" <weazle at hurontel.on.ca>
To: <k3siw at sbcglobal.net>; "Discussion of the Lowfer (US, European, &amp;UK) 
and MedFer bands" <lowfer at mailman.qth.net>
Sent: Monday, December 03, 2012 10:39 AM
Subject: [Lowfer] Loop antenna with regeneration


> Over the weekend I built the circuit shown on the linked site below and 
> was quite impressed with how it
> performed on the AM broadcast band with just a 14 inch diameter, 8 turn 
> loop tuned by a 395pF varicap.
> I'm sure that it could be used at LF as well with appropriate C and L 
> values.  Scroll down the page to the
> schematic titled:
>
> DL7MWN Q-Multiplier circuit.
>
> http://theradioboard.com/rb/viewtopic.php?p=38740
>
> R6 is removed from the tank circuit, leaving just the C and L.   If you 
> bother to read the entire post, the
> resistor is explained as representing the R losses in the tank circuit.  I 
> intend to try it with a ferrite rod
> loopstick to see how that compares to the 14 inch frame loop.
>
> 73, J.B., VE3EAR
>
> LowFER Beacon "EAR"
> 188.830 kHz. QRSS30
> EN93dr
>
>
>
>
>
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