Home |
Search |
Today's Posts |
#32
|
|||
|
|||
Amp Design Concept -- Preliminary
On 22 Sep 2006 04:55:24 -0700, "Telstar Electronics"
wrote: +++Frank Gilliland wrote: +++ As far as "matching problems", if you are referring to mismatched gain +++ in transistor pairs, that only causes harmonics. If the mismatch is +++ great enough to cause one transistor to run hotter than the other, +++ that would be due either to component failure or ****-poor quality +++ control. +++ +++No, I'm talking about impedance matching problems. On the input is not +++a big issue... only reducing the available drive... but a mismatch on +++the output is critical... and causes big problems with excessive +++transistor heating... leading to premature failure. +++ +++www.telstar-electronics.com ************** Mismatches only stress transisitors when they are driven beyond the manufacturer's reccommended operating points. Like Frank said, ampheads don't care about specifications. If a transistor is speced for 100 watts then getting 150 watts out it is better. james |
Thread Tools | Search this Thread |
Display Modes | |
|
|