O’zbekiston respublikasi axborot texnologiyalari ba kommunikatsiyalarini rivojlantirish vazirligi

14-variant: R = 0.86 kOm, diod markasi: 1N5239B

9.2-rasm. Sxemaning NI Multisim dasturiy muhitida yig'ilgan ko'rinishi

9.1-rasm

I, (mA)	0	-0.2	-0.4	-0.6	-0.8	-1	-2	-4
E2, (V)	0	-9.141	-9.331	-9.514	-9.694	-9.872	-10.75	-12.489
V1, V	0	-8.97	-8.988	-8.999	-9.006	-9.012	-9.031	-9.05
I, (mA)	-6	-8	-10	-12	-14	-16	-18	-20
E2, (V)	-14.22	-15.948	-17.675	-19.401	-21.126	-22.85	-24.574	-26.297
V1, V	-9.061	-9.07	-9.077	-9.082	-9.087	-9.092	-9.096	-9.1

Grafik:

-30 -25 -20 -15 -10

0

-5 0

-5


-10


-15


-20

U, V

-25

I, mA

I = f(E) I = f(V)

Yarimo'tkazgichli stabilitron VAXsi

^Ist.min ^= 2 mA	Ust.min=9.031V	Est.min=10.75V
^Ist.o’rt ^= 8 mA	Ust.o’rt = 9.07V	Est.o’rt=15.95V
^Ist.maks ^= 14 mA	Ust.maks = 9.087 V	Est.maks=21.13V

Yarimo’tkazgichli stabilitronning asosiy parametrlari quyidagicha hisoblanadi:

^Emax^−U stmax ^{21.13 V −9.087V}
860

R

= = = Ω

yuk

^I stmax
^KSTAB
^{Δ E}max

=

ΔU _st

14 mA

^U stnorm

⋅

E


stnorm

^{Δ E}max ^{= E}max ^{− E}min

Δ E_max =21.13 V −10.75 V =10.38V

^{Δ U}st ^=Ustmax ^−Ustmin

Δ U _st=9.087−9.031=0.056 V

^KSTAB

₌ 10.38∗9.07 0.056∗15.95