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 Post subject: SW Converter
PostPosted: May Thu 10, 2018 3:52 am 
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Joined: Aug Wed 31, 2011 1:38 am
Posts: 141
I have a Sangean WR-1 AM/FM Receiver. It is a really great sounding, very sensitive receiver.
I wish to build a converter for it for the short wave bands. I have some NE 602AN IC chips.

In the data sheets it states that the input is 1.5K ohms, so could I use say a 10.7 MHz RF transformer say with or without the original cap that is in the can? If I want to have a broadband input can I just leave out a input cap?

Is there a web page that would go into this? Any help would be highly appreciated.

Thank you, Jim.


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 Post subject: Re: SW Converter
PostPosted: May Thu 10, 2018 4:45 pm 
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Joined: May Tue 30, 2006 4:46 pm
Posts: 9992
Location: Santa Rosa, CA
Lots of circuits for NE602 using 10.7 "cans."

http://www.nutsvolts.com/magazine/artic ... e_superhet

Look for articles about "simple superhet" or "WWV Receiver" or look for articles by Joe Carr.

http://rfelektronik.se/manuals/Datashee ... 20Chip.pdf

Rich


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