Apr 6, 2008 #1 E elec350 Full Member level 4 Joined Dec 17, 2006 Messages 199 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,296 Location Iran Activity points 2,548 hello what is VVA (voltage variable attenuator) and its role in a power amplifier system?
Apr 6, 2008 #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 it is an anttenuator controlled by voltage "voltage controlled attenuator". the role in the power amplifier system , it can control the input power level for the PA to make sure that the output power is constant , it is usually employ PIN diodes khouly
it is an anttenuator controlled by voltage "voltage controlled attenuator". the role in the power amplifier system , it can control the input power level for the PA to make sure that the output power is constant , it is usually employ PIN diodes khouly
Apr 6, 2008 #3 E elec350 Full Member level 4 Joined Dec 17, 2006 Messages 199 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,296 Location Iran Activity points 2,548 hello khouly you wrote the role in the power amplifier system , it can control the input power level for the PA to make sure that the output power is constant Click to expand... pls explain how it is used in a power amplifier system, for example by a block diagram.
hello khouly you wrote the role in the power amplifier system , it can control the input power level for the PA to make sure that the output power is constant Click to expand... pls explain how it is used in a power amplifier system, for example by a block diagram.
Apr 6, 2008 #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 check the picture khouly
Dec 22, 2008 #5 kspalla Advanced Member level 4 Joined Aug 19, 2008 Messages 1,253 Helped 258 Reputation 516 Reaction score 94 Trophy points 1,328 Location Hyderabad, Andhra Pradesh, India Activity points 6,813 The roll of VVA is to have controlled gain in a system based on the gain requirement, input power etc.
The roll of VVA is to have controlled gain in a system based on the gain requirement, input power etc.