Common collector and common emitter

  • #1
Hi, im trying to build an amplifier with 2 stages, common collector and common emitter. I biased for midpoint operation in them but i have a gain of only 1, dont know where im going wrong.


http://yfrog.com/14amplifierunij

Thats the circuit, any help is greatly appreciated
 

Answers and Replies

  • #2
vk6kro
Science Advisor
4,081
40


R14 is only 8 ohms and this is in parallel with the load resistor R2.

Without it, the gain should be a bit less than 4. ie 800 / 200
 

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