Aug 25, 2006 #1 S STOIKOV Full Member level 4 Joined Nov 18, 2005 Messages 236 Helped 8 Reputation 16 Reaction score 2 Trophy points 1,298 Activity points 3,083 in ADS the S11 of an amplifier is performed with or without the VDD of the circuit ?
Aug 25, 2006 #2 S Slayerza Full Member level 5 Joined Oct 22, 2005 Messages 295 Helped 27 Reputation 54 Reaction score 5 Trophy points 1,298 Location South Africa Activity points 3,462 Re: S11 As far as i know the S11 parameter is determined without any external supply. Cheers Slayer
Aug 25, 2006 #3 1 10kangstroms Member level 5 Joined Oct 4, 2004 Messages 83 Helped 16 Reputation 32 Reaction score 2 Trophy points 1,288 Activity points 592 S11 S11 will generally be different between power off and power on. If you want S11 when the amplifier is active, then that's how you should simulate it.
S11 S11 will generally be different between power off and power on. If you want S11 when the amplifier is active, then that's how you should simulate it.
Aug 28, 2006 #4 lokeyh Advanced Member level 4 Joined Sep 29, 2004 Messages 106 Helped 4 Reputation 8 Reaction score 2 Trophy points 1,298 Activity points 812 Re: S11 Hi, Some transistor models you choose in ADS already include the set of DC biasing conditions. Hence, the S11 u get from transistor is at the biasing condition.
Re: S11 Hi, Some transistor models you choose in ADS already include the set of DC biasing conditions. Hence, the S11 u get from transistor is at the biasing condition.