Laboratoriya №3 Mavzu: Vakuumli diodning volt-amper harakteristikasini o’rganish. Tajribalarning maqsadi

1-rasm. P diodning diagrammasi: 1-qizdiruvchi vilka, 2-katod plastinkasi, 3-katod qizdirgich simi, 4-Anod, 5-anodni ulash simi.



2-rasm. Diodning VAXning tipik shakli: A-teskari kuchlanish sohasi, B-hajmiy zaryadlar chegaralanish sohasi va C-to’yinish sohasi.
Kerakli asboblar.

1. 
   1 planar diod P ................................... 555 210
   
2. 
   1 universal taglik P ........................... 555 200
   
3. 
   1 DC energiya manbai 0 … 500 V .... 521 65
   
4. 
   1 amperemeter, AC, I< 10 mA 531 100
   
5. 
   1 voltmeter, DC, U < 500 V . . 531 711
   
6. 
   1 taqsimlash qutisi ........................... 502 04
   
7. 
   3 xavfsiz ulash kabellari, 100 cm, qizil . . 500 641
   
8. 
   2 xavfsiz ulash kabellari, 100 cm, ko’k . . 500 642
   
9. 
   1 xavfsiz ulash kabellari, 50 cm, ko’k . . . 500 622
   
10. 
    1 ulash kabeli, sariq/yashil, 200 cm . 501 43
    

Volt-amper xarakteristikasida uch sohani bir-birida farqlash mumkin.