- #1

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## Homework Statement

1. Calculate Vcc and Vee(should be around 14-16).

2. Calculate the input resistance. (You should get a high value).

3. Determine the voltage gain. No calculation is needed.

http://img210.imageshack.us/my.php?image=effectampqe2.jpg

Ucesat = 1 V

Poutmax = 10 W

Rl = 8 ohm

Icq9=Icq11=40mA

Re=0.47 ohm

R8=R9=1000 ohm

Vbe=0.7V

**2. The attempt at a solution**

1. I used P=U^2/(2*R)=>U=sqrt(P*2*R)=sqrt(10*2*8)=12.65V

Vcc=U+Ucesat=12.65+1=13.65 but this is less than 14.

2.Here i don't know how to start.

3.I don't know how to solve this either.