[Lowfer] Poor man's mw/lw wideband noise reduction

Scott Tilley sthed475 at telus.net
Sun Jan 11 20:11:20 EST 2009


Hi Guys

I posted the wrong link for another canceler design using discrete 
transistors.  Here's the correct one:
http://www.alg.myzen.co.uk/radio/136/noise_can.htm

73 Scott
VE7TIL

Mike-WE0H wrote:
> Hi Dave,
>
> Can you send a copy to me also? I will put it on my website if you don't 
> mind and post the link on this reflector.
>
> Thanks much,
> Mike
> WE0H
>
>
>
> Dave wrote:
>   
>> An LF oriented phasing system of this type was originally described by 
>> the late ZL2BBJ in the ZL amateur radio journal 'Break-In' in October 
>> 1996.  Another version built by George, ZL3PN was published in the 
>> November 1996 issue.
>> The October 1998 LF column in Break-In described yet another version 
>> built by the late ZL3VN. These all differ from the VK5BR version (AR, 
>> 2000)  that Scott referenced, primarily in the use of discrete 
>> bipolars or FETs, rather than op-amps.  I can arrange copies for those 
>> interested.
>> 73
>> Dave, ZL3FJ
>>     
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