# ECEN 325 lab Electronics

ECEN 325 lab – Electronics

TA Christiana Chamon

Lab #7

Hand Calculation

 Rb1 33 ㏀ Ic 1mA Rb2 17㏀ Vc 3.5 Rc 3.5 ㏀ Re 1㏀

Table 1. Show the hand calculation for NPN Designed circuit in report fig 6

 Rb1 33㏀ Ic 1mA Rb2 17 ㏀ Vc 1.5 Rc 1.5 ㏀ Re 1 ㏀

Table 2. Show the hand calculation for PNP Designed circuit in report fig 6

 Rb1 4 ㏀ Ic =Ix 2mA Rb2 21 ㏀ Vc 3.5 Rc 0.75 ㏀ Ib 20 µA

Table 3. Show the hand calculation for NPN Designed circuit in report fig 7

 Rb1 11 ㏀ Ic 2mA Rb2 14 ㏀ Vc 1.5 Rc 0.75 ㏀ Ib 20 µA

Table 4. Show the hand calculation for PNP Designed circuit in report fig 8

Simulation

 Rb1 33 ㏀ Ic 948 µA Rb2 17 ㏀ Vc 3.32 V Rc 1.5 ㏀ Re 1 ㏀

Table 5. Show the simulation values for PNP Designed circuit in report fig 6

 Rb1 33 ㏀ Ic 945 µA Rb2 17 ㏀ Vc 1.41 V Rc 1.5 ㏀ Re 1 ㏀

Table 6. Show the simulation values for PNP Designed circuit in report fig 6

 Rb1 4 ㏀ Ic =Ix 1.96mA Rb2 21 ㏀ Vc 3.53 V Rc 0.75 ㏀ Vy 4.08 V

Table 7. Show the  simulation values for NPN Designed circuit in report fig 7

 Rb1 11 ㏀ Ic 1.99mA Rb2 14 ㏀ Vc 1.5 Rc 0.75 ㏀ Vy 2.14 V

Table 8. Show the hand calculation for PNP Designed circuit in report fig 8

 Rb1 33 ㏀ Ic 1.07mA Vre 1.25 Vc 3.74 V V2 1.7 ㏀ Re 1㏀

Table 9. Show the measurement for NPN Designed circuit in report fig 6 a

 Rb1 33 ㏀ Ic 0.993mA Vre 0.987 Vc 1.49 V V2 1.62 ㏀ Re 1㏀

Table 9. Show the measurement for NPN Designed circuit in report fig 6 b

Fig 1. A schematics for the NPN characterization circuit

Fig 2. Vbe data from simulation when Perform a DC sweep of V1,NPN a

Fig 3. Ic as a function of Vbe data Exported from simulation when Perform a DC sweep of V1,NPN a

Fig 4. Ic as a function of Vce data Exported from simulation when Perform a DC sweep of V2,NPN b

Fig 5. A schematics for the PNP characterization circuit

Fig 6. Ic as a function of Vbe data Exported from simulation when Perform a DC sweep of V1,PNP

Fig 7 Ic as a function of Vce data Exported from simulation when Perform a DC sweep of V2,PNP

Fig8. interactive simulation to obtain the DC solution by using calculated values for NPN

Fig 9. interactive simulation to obtain the DC solution by using calculated values for PNP

Fig 10. interactive simulation to obtain the DC solution by using using a current source  for NPN

Fig 11. interactive simulation to obtain the DC solution by using using a current source  for PNP

Fig 12. Ic as a function of Vbe data Exported from  measurements from the scope when Perform a DC sweep of V1,NPN a

Fig 13. Ic as a function of Vc data Exported from  measurements from the scope when Perform a DC sweep of V1,NPN a

Fig 14. Vbe from  measurements using the scope when Perform a DC sweep of V1,NPN a

Fig15. Vce from  measurements using the scope when Perform a DC sweep of V1,NPN a

Fig 16. Ic as a function of Vbe data Exported from  measurements from the scope when Perform a DC sweep of V1,PNP a

Fig 17. Ic as a function of Vc data Exported from  measurements from the scope when Perform a DC sweep of V1,PNP b

Fig 18.measure the DC values for V2 by using using a scope  for NPN in fig 6 a(lab) V2=1.7 V

Fig 19.measure the DC values for Vre by using using a scope  for NPN in fig 6 a(lab) Vre=1.25 V

Fig 20.measure the DC values for Vc by using using a voltmeter for NPN in fig 6 a(lab) Vc=3.75 V

Fig 21.measure the DC values for V2 by using using a scope  for PNP in fig 6b (lab) V2=1.62 V

Fig 22.measure the DC values for Vre by using using a scope  for PNP in fig 6 b(lab) Vre=0.987 V

Fig 23.measure the DC values for Vc by using using a scope  for PNP in fig 6 b(lab) Vc=1.49 V

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