Dioda electronica - Trasarea caracteristicii statice si masurarea parametrilor referat

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Constantinescu Marius

Anul 1 Electronica

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Studiul diodei electronice

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Obiectul lucrarii :

Trasarea caracteristicii statice si masurarea parametrilor

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Montajul :

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U₂

R_e +

K_1 -

U K₂

Dioda cu incalzire directa

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Folosind montajul anterior se va ridica caracteristica I_a = f ( U_f) si I_a = f ( U_a) ;

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U_a = 25 v - constant

U_f (v)	0	1	*1,5*	2	*2,5*	3	*3,5*	4
I_a (mA)	0	*0,5*	*1,75*	3	12	17	*18,5*	*18,9*

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U_a = 50 v – constant

U_f (v)	0	*1,5*	2	*2,5*	3	*3,5*	4
I_a (mA)	0	*0,12*	*0,44*	*9,3*	*21,4*	37	*37,5*

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U_f = 3 v – constant

U_a (v)	0	10	20	30	40	50	60	70
I_a (mA)	0	*31,2*	*41,4*	24	25	*25,9*	*28,2*	*29,8*

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U_f = 4 v - constant

U_a (v)	0	10	20	30	40
I_a (mA)	0	*36,8*	*84,9*	*117,3*	*146,9*

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