Misura della caratteristica di un transistor BJT

Calibrazione dell'oscilloscopio con il multimetro digitale

Vmult
f.s.
Vosc
V/div
-4.00
20 V
-(4.10 ± 0.1)
1 V/div
-3.80

-(3.80 ± 0.1)

-3.60

-(3.60 ± 0.1)

-3.40

-(3.40 ± 0.1)

-3.20

-(3.20 ± 0.1)

-3.00

-(3.05 ± 0.05)
0.5 V/div
-2.80

-(2.85 ± 0.05)

-2.60

-(2.65 ± 0.05)

-2.40

-(2.45 ± 0.05)

-2.20

-(2.20 ± 0.05)

-2.00

-(2.00 ± 0.05)

-1.800
2 V
-(1.80 ± 0.05)

-1.600

-(1.60 ± 0.05)

-1.400

-(1.40 ± 0.05)

-1.200

-(1.20 ± 0.05)

-1.000

-(1.00 ± 0.05)

-0.800

-(0.80 ± 0.05)

-0.600

-(0.60 ± 0.03)
0.2 V/div
-0.400

-(0.40 ± 0.01)
0.1 V/div
-0.200

-(0.200 ± 0.005)
50 mV/div

Caratteristica
corrente di base (100 ± 2) A (f.s. 2 mA)
corrente (mA)
f.s.
tensione (V)
V/div
-(19.5 ± 0.16)
20 mA
(4.0 ± 0.1)
1 V/div
-(19.0 ± 0.15)

(3.0 ± 0.1)

-(18.5 ± 0.15)

(2.0 ± 0.1)

-(17.5 ± 0.14)

(1.00 ± 0.02)
0.2 V/div
-(17.3 ± 0.13)

(0.80 ± 0.02)

-(16.6 ± 0.13)

(0.60 ± 0.02)

-(14.9 ± 0.12)

(0.50 ± 0.02)
0.1 V/div
-(13.5 ± 0.1)

(0.40 ± 0.02)

-(12.0 ± 0.1)

(0.220 ± 0.005)
50 mV/div
-(11.00 ± 0.09)

(0.195 ± 0.005)

-(10.01 ± 0.09)

(0.170 ± 0.005)

-(9.00 ± 0.08)

(0.160 ± 0.005)

-(8.00 ± 0.07)

(0.140 ± 0.005)

-(7.00 ± 0.06)

(0.132 ± 0.003)
20 mV/div
-(6.00 ± 0.06)

(0.120 ± 0.003)

-(5.00 ± 0.05)

(0.110 ± 0.003)

-(4.00 ± 0.04)

(0.100 ± 0.003)

-(3.00 ± 0.03)

(0.088 ± 0.003)

-(2.00 ± 0.03)

(0.0.74 ± 0.003)

-(1.00 ± 0.02)

(0.056 ± 0.001)
10 mV/div

corrente di base (50 ± 1.4) A (f.s. 2 mA)
corrente (mA)
f.s.
tensione (V)
V/div
-(5.77 ± 0.05)
20 mA
-(4.0 ± 0.1)
1 V/div
-(5.66 ± 0.05)

-(3.0 ± 0.1)

-(5.55 ± 0.05)

-(2.00 ± 0.05)
0.5 V/div
-(5.48 ± 0.05)

-(1.50 ± 0.05)

-(5.40 ± 0.05)

-(1.00 ± 0.02)
0.2 V/div
-(5.36 ± 0.05)

-(0.80 ± 0.02)

-(5.32 ± 0.05)

-(0.60 ± 0.02)

-(5.29 ± 0.05)

-(0.50 ± 0.01)
0.1 V/div
-(5.27 ± 0.05)

-(0.40 ± 0.01)

-(5.19 ± 0.05)

-(0.30 ± 0.01)

-(5.00 ± 0.05)

-(0.240 ± 0.005)
50 mV/div
-(4.00 ± 0.04)

-(0.170 ± 0.005)

-(3.00 ± 0.03)

-(0.140 ± 0.005)

-(2.00 ± 0.03)

-(0.112 ± 0.003)
20 mV/div
-(1.0009 ± 0.009)
2 mA
-(0.084 ± 0.003)


Calcolare:
1)guadagno di corrente Ic/Ib per valore di tensione VCE fissato (p.e. 3 V)
2)conduttanza di uscita Ic/VCE per un valore fissato di  Ib