Question: Home work Differential amplifier with Darlington input transistors: A) If Rb-0 prove that: Rid=4(hfe+1)hie1=4(hfe+1)hib1 B) If Rb+ 0 prove that: CMRR Ro3 Rb (1+hfe)

Home work Differential amplifier with Darlington input transistors: A) If Rb-0 prove that:

Home work Differential amplifier with Darlington input transistors: A) If Rb-0 prove that: Rid=4(hfe+1)hie1=4(hfe+1)hib1 B) If Rb+ 0 prove that: CMRR Ro3 Rb (1+hfe) 2hib1+ VI Rb where Ro3 = r03 ww-ka4 SRC1 Q1 VBB V61 VCC + Vod- Q3 V62 SRX Rx VEE (1 +; Rc2 BRx rn+Rx) Q2 Q5 Rb V2 20 AT

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