May 18, 2006 #1 O OMEsystem Advanced Member level 4 Joined Dec 1, 2005 Messages 102 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,296 Activity points 2,061 measure fmax I have three questions, 1) What's the schematic of measurement? 2)Do I need to do impedance matching? 3)May I use voltage source to be the exictation and check when the voltage gian equal to 1?
measure fmax I have three questions, 1) What's the schematic of measurement? 2)Do I need to do impedance matching? 3)May I use voltage source to be the exictation and check when the voltage gian equal to 1?
May 18, 2006 #2 khouly Advanced Member level 5 Joined Oct 20, 2003 Messages 2,350 Helped 461 Reputation 916 Reaction score 101 Trophy points 1,343 Location EGYPT Activity points 13,242 the fmax , is the frequency which power gain is 1 , or 0 db measure the S21 of the device when s21 is 0 db then is is fmax u donot need matching circuit , coz u r chartrizing the transistor khouly
the fmax , is the frequency which power gain is 1 , or 0 db measure the S21 of the device when s21 is 0 db then is is fmax u donot need matching circuit , coz u r chartrizing the transistor khouly