If you know turkish, you can read rapor file, Which is my project report. Report:

https://github.com/btknzn/20Hz-1MHZ-5-stage-500-gain-Amplifier-Analog-Circuit-Design./blob/master/Rapor2.pdf

All circuit system: EF_TRY is common emitter

Gain Stage: Chanel A is input and Chanel B is output

Cutt Off Frequency:

You can download .ms files and can see all my circuits in Multisim.