Jan 22, 2007 #1 F frank_lei Newbie level 4 Joined Sep 21, 2006 Messages 5 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,311 I was trying to simulate the phase noise effect in Zero-IF mixer in ADS, and there are several problems, 1. the conversion gain of zero-IF mixer is decreasing with larger order of RF signal, so how many order harmonics for RF signal is correct? 2. phase noise seems uncorrect in zero-if mixer circuit thanks
I was trying to simulate the phase noise effect in Zero-IF mixer in ADS, and there are several problems, 1. the conversion gain of zero-IF mixer is decreasing with larger order of RF signal, so how many order harmonics for RF signal is correct? 2. phase noise seems uncorrect in zero-if mixer circuit thanks
Jan 22, 2007 #2 khouly Advanced Member level 5 Joined Oct 20, 2003 Messages 2,350 Helped 461 Reputation 916 Reaction score 102 Trophy points 1,343 Location EGYPT Activity points 13,242 about the phase noise , do u use a real oscillator , or an oscillator in ads , with phase noise model khouly
about the phase noise , do u use a real oscillator , or an oscillator in ads , with phase noise model khouly
Jan 22, 2007 #3 F frank_lei Newbie level 4 Joined Sep 21, 2006 Messages 5 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,311 Hi khouly, i try to use P1_tone component with specified phase noise in ads to simulate phase noise effect
Hi khouly, i try to use P1_tone component with specified phase noise in ads to simulate phase noise effect
Jan 22, 2007 #4 khouly Advanced Member level 5 Joined Oct 20, 2003 Messages 2,350 Helped 461 Reputation 916 Reaction score 102 Trophy points 1,343 Location EGYPT Activity points 13,242 i think about the order , make it the 5 th , i think there is no need to increase the ordr more also check the RF system design guide u will find there example how to take the phase noise into account and can u upload the project , and there are many ppl here can see it khouly
i think about the order , make it the 5 th , i think there is no need to increase the ordr more also check the RF system design guide u will find there example how to take the phase noise into account and can u upload the project , and there are many ppl here can see it khouly