Nov 18, 2012 #1 neazoi Advanced Member level 6 Joined Jan 5, 2008 Messages 4,122 Helped 13 Reputation 26 Reaction score 15 Trophy points 1,318 Location Greece Activity points 36,951 Hello I need a bfo schematic for 455KHz (not tuneable ) that uses these 455KHz IF cans as resonators, and another one on the output coupling. I need it to be made using BJT, not mosfet Any ideas?
Hello I need a bfo schematic for 455KHz (not tuneable ) that uses these 455KHz IF cans as resonators, and another one on the output coupling. I need it to be made using BJT, not mosfet Any ideas?
Nov 18, 2012 #2 T tanveerriaz Full Member level 5 Joined May 14, 2001 Messages 284 Helped 33 Reputation 66 Reaction score 23 Trophy points 1,308 Location GB Activity points 1,008 https://www.flashwebhost.com/circuit/ham_radio_bfo.php https://www.qsl.net/py2ha/bfo/bfo_455.htm if you use xtal or Ceramic Filter it more stable https://radioaficionsdr.es.tl/Osciladores.htm https://www.flashwebhost.com/circuit/ceramic_filter_bfo.php search in google or hamradio side
https://www.flashwebhost.com/circuit/ham_radio_bfo.php https://www.qsl.net/py2ha/bfo/bfo_455.htm if you use xtal or Ceramic Filter it more stable https://radioaficionsdr.es.tl/Osciladores.htm https://www.flashwebhost.com/circuit/ceramic_filter_bfo.php search in google or hamradio side
Nov 18, 2012 #3 ALERTLINKS Advanced Member level 4 Joined Dec 13, 2003 Messages 1,258 Helped 396 Reputation 786 Reaction score 380 Trophy points 1,363 Location Pakistan Activity points 7,263