Mar 9, 2022 #1 A alex_fd Newbie level 5 Joined Jul 22, 2010 Messages 10 Helped 0 Reputation 0 Reaction score 1 Trophy points 1,283 Location Canada Visit site Activity points 1,394 hi,all the experts: what is the advantage of this vco topology.there is a parallel combination of a nmos and a 1pF cap in series with the cross couple pair.what is the usage for this paralle combination of the nmos and large capacitor.thanks BR --- Updated Mar 9, 2022 --- Is it to reduce the phase noise? Attachments vco.JPG 473.9 KB · Views: 201 Last edited: Mar 9, 2022
hi,all the experts: what is the advantage of this vco topology.there is a parallel combination of a nmos and a 1pF cap in series with the cross couple pair.what is the usage for this paralle combination of the nmos and large capacitor.thanks BR --- Updated Mar 9, 2022 --- Is it to reduce the phase noise?
Mar 9, 2022 #2 betwixt Super Moderator Staff member Joined Jul 4, 2009 Messages 16,571 Helped 5,158 Reputation 10,349 Reaction score 5,224 Trophy points 1,393 Location Aberdyfi, West Wales, UK www.atv-projects.com Activity points 140,141 Where does the supply feed the circuit? Center tap in the coil? Brian. Upvote 0 Downvote
Mar 15, 2022 #3 A alex_fd Newbie level 5 Joined Jul 22, 2010 Messages 10 Helped 0 Reputation 0 Reaction score 1 Trophy points 1,283 Location Canada Visit site Activity points 1,394 yes.its supply feed the circuit from the center tap in the coil. Upvote 0 Downvote