Oct 5, 2010 #1 S sureshnaidu Member level 2 Joined Sep 13, 2010 Messages 48 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,288 Location bangalore Activity points 1,586 is it mandatory to make out put inpedance of low noise amplifier is 50 ohm
Oct 5, 2010 #2 W watersky Member level 5 Joined Aug 20, 2004 Messages 89 Helped 4 Reputation 8 Reaction score 1 Trophy points 1,288 Activity points 501 50 ohm is not compelling. capacitor and inductance are used for the aim that convert output impedance to 50 ohm.
50 ohm is not compelling. capacitor and inductance are used for the aim that convert output impedance to 50 ohm.
Oct 5, 2010 #3 prcken Advanced Member level 1 Joined Nov 1, 2006 Messages 419 Helped 41 Reputation 82 Reaction score 37 Trophy points 1,308 Location Shanghai Activity points 4,059 i think that depends the input impedance of the next stage, you can play matching techniques to make it match, not necessarily 50ohm.
i think that depends the input impedance of the next stage, you can play matching techniques to make it match, not necessarily 50ohm.
Oct 5, 2010 #4 S sureshnaidu Member level 2 Joined Sep 13, 2010 Messages 48 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,288 Location bangalore Activity points 1,586 watersky said: 50 ohm is not compelling. capacitor and inductance are used for the aim that convert output impedance to 50 ohm. Click to expand... Iam using buffer(source follower) at the out to give 50 ohm match,but it degrading the linearity.is there any method to design high linear buffer
watersky said: 50 ohm is not compelling. capacitor and inductance are used for the aim that convert output impedance to 50 ohm. Click to expand... Iam using buffer(source follower) at the out to give 50 ohm match,but it degrading the linearity.is there any method to design high linear buffer