Help me understand a paragraph from a book (001)

Brownout

Joined Jan 10, 2012
2,390
Thank you very much
Still I have a last question:
Is adding a series 43 ohm resistance is the only solution to accomplish the impedance matching?
If not, the only solution, does it the best solution ?
Yes they actually do it. It works so well that there is no reason to use anything else.
 

Thread Starter

samy555

Joined May 24, 2010
116
Hello all
Near the end of page 2-11, I read:

The DC emitter voltage (VE) ≠ 1.64 V as the author said!
Lets calculate it:
VB = VCC * [3.3K/(3.3K+10K)] = 2.48 V
VE = VB - VBE ,,,, The author always assumed that the value of VBE = 0.7 V, so,
VE = 2.48 - 0.7 = 1.78 V
The question is:Who among us wrong??
Thank you very much
 

Thread Starter

samy555

Joined May 24, 2010
116
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