. -15.3.
27 500
() | / | ||
ESR | SESR | ||
0,064 | 0,04 | 0,001 | |
1.5 5.0 | 0,02 | 0,001 | |
5.0 15 | 0,025 | 0,001 | |
15 55 | 0,0375 | 0,001 | |
55 160 | 0,08 | 0,001 | |
160 . | - |
. -15.3.
,
L () | D1 | L () | D2 |
0,015 | 0,026 | ||
0,02 | 0,040 | ||
0,022 | 0,052 | ||
0,024 | 0,065 | ||
0,026 | 0,075 | ||
0,027 | |||
0,029 |
2. S1 S2 .
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S2 = R0 + 2
3. S - S( ESR ) S( SESR ) S1 S2.
S < S1, () ,
S > S2, () ,
S1 < S < S2, () , .
BER:
BER = (N- / N-) |
NES NSES
N- = NES + 300* NSES
300 = 30% 1000 .
N- = ( )* 2,048*106
NES = ESR * ()
NSES = SESR* ()
BER = (ESR * +300* SESR*)/ * 2,048*106
BER = (ESR +300* SESR)* 5*10-7
BER = ESR * 5*10-7 + SESR* 1,5*10-4
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, SESR=0,
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BBER ESR, SESR BER:
BBER = NBBE/NB
BBER = ESR*NS/(1000*NS - 300*SESR*NS)
BBER = ESR*10-3/(1- 0.3*SESR)
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- 1 2048 ,
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-1:
1 L = 240 .
= 2 = 0,075;
ESR | 0.04 0,075 = 0,003 | 310-3 |
SESR | 0.002 0,075 + 0.0005 = 0,00065 | 6,510-4 |
BBER | 3 ´ 104 0,075 = 0,225 104 | 2,210-5 |
BER ES | 0,225 104 5*10-4 = 1,125 108 310-3 5*10-7= 1510-7 | 1,12510-8 1.510-9 |
BER ES, SES | 6,510-41.510-4 = 9,7510-8 | 10-7 |
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-2:
() 1 1.
R0 (ESR) = 0.02x0.075x0.5 = 7,5x10-4
R0 (SESR) = 0,001x0.075x0.5 = 3,75x10-5
ESR.
ESR 24 (. =.246060 = 86 400 ).
S1( ESR ) = 7,5x10-4 2 = (7.5 - 1,75)x10-4 = 5.7510-4
S2( ESR ) = 7,5x10-4 + 2 = (7.5 + 1,75)x10-4 = 9,2510-4
SESR
S1(SESR) > 0, 5 . 7 .
S1( SESR ) = 3, 75x10-5 2 = (3.75 1.58)x10-5 = 2.17x10-5
S2( SESR ) = 3, 75x10-5 + 2 = (3.75 + 1.58)x10-5 = 5.33x10-5