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R ( ), .
. 4,1, , .
. 4.1.
', δ , |δ|≥015∙|δ|.
( , ) , 4.1 (, ), RV RA .
, .
329 . 4.2.
RX = RN∙R1/R2.
RN .
̳ 329 RN = 1 Ω RN = 0.001 Ω.
RN (. . 4.2).
, R1. - 329 R1 : 102; 101; 100; 10-1; 10-2.
4.2 -
R, R2,
10
R2=RN∙R1/RX.
. RX=0.2 Ω, ' R1 R1=200,00 Ω, R2 RN=1
.
- G, : "", "". ϳ R1 .
. 4.3.
4.3 - 4
:
' ;
330 1.5 377 1.5;
|
|
371 471 1.5;
- - 329 ( . 4.1).
R2 R3 10; 100; 1000; 10000 Ω. R2, R3 (. . 4.2).
ͪ
1. , /, . 420-425/.
2. ϳ 2-4.
4.1 329
RX, Ω | ||
² ̲ | 10-6...10-5 | 1.5 |
10-5+0.000001...10-4 | 0.5 | |
10-4+0.00001...10-3 | 0.1 | |
10-3+0.0001...100 | 0.05 | |
̲ | 50...105 | 0.05 |
100010...107 | 0.5 |
1. . , .
2. R1X R2X , (. . 4.1).
3. R1X R2X, R1X R2X .
4. R1X R2X . , . . 2-4 . 4.3.
5. R1X R2X , , .
6. .
4.3 -
Ͳ
1. .
2. , ?
3. , ?