lab 2 ea
DESCRIPTION
Laborator EATRANSCRIPT
Broasca Sorin-Sebastian 8314Elementeredresoare
1.. Cu ajutorulmontajului se ridic experimental caracteristiciledirecte UI pentrudiodele de peplac, completndtabelulurmtor, care vacuprindetensiunilemsurate la cureniiindicai:
I=Tip1mA2mA5mA10mA20mA50mA100mA200mA500mA
Ge0.0860.1090.1450.1760.2100.2560.3050.3550.466
Si0.5580.5940.6410.6760.7120.7170.7770.8190.881
Sch0.1300.1480.2340.2530.2730.2900.3220.3480.400
2. Se determincaracteristicile inverse ale diodelor de peplac, cu ajutorulmontajului E=Tip5V10V15V20V25V30V
Ge78uA83uA86uA87.8uA90uA91.8uA
Si000000
Sch1.5uA1.9uA2.4uA2.9uA3.5uA4.4uA
4. Pentrudioda KS 1160 se vadeterminarezistenadinamicansens direct, caraport al diferenelor finite tensiune/ curent:
I=Tip50mA100Ma200mA500mA1000mA2000mA
KS11600.60V0.645V0.676V0.749V0.781V0.851V
[k]=Rezistenatdinamica KS 1160 : 894.932 k
Circuite de redresare
Reostat X4-X6 0-190ohm
1.RedresaremonolaternantaD1 in serie cu reostatul
2.Redresaremonoalternantacu filtraj capacitive S4
3.Redresor in punte fig 4.3 S1-S2
4.Redresor in punte cu filtraj S1-S2-S3
5.Redresor cu dublare de tensiune S4-S5