7.1
- () - () .
7.2
7.2.1 .
7.2.2 ?
7.2.3 ?
7.2.4 ? RL RC ( 7.1)
7.2.5 Z=F(f) jZBX=F(f) RC RL .
7.2.6 RC RL .
7.2.7 u(jw), j(w) RL RC .
7.2.8 RL RC .
7.2.9 ?
7.3
7.3.1 R1C ( 7.1) ( 7.1).
7.1
7.1
, | R1, | R3, | L, | |
0,3 | 2,0 | |||
0,4 | 2,5 | |||
0,5 | 3,0 | |||
0,2 | 1,5 | |||
0,1 | 3,5 |
7.3.2 U1=2B. 2 20 , R1. V2 7.2.
7.2
f, | UR1, | jZBX | I, | Z, |
7.3.3 ( 7.2).
7.2
V1 U1=2B . f 2 20 , UC. V2 j 7.3
7.3
f, | U, | j | u |
u(f)=UC/U1. 7.3.
7.3.4 R3L ( 7.3).
7.3
U1=2B, UL. V2 j 7.4.
7.4
f, | UL, | j | u |
7.4
7.4.1 7.2 (I=UR1/R1) (Z=U1/I). (7.2). Z =F(f) jZBX =F(f) R1C . R1 C .
|
|
7.4.2 7.3 u(f)=UC/U1. 7.3. uc (f) j(f) R1C . R1C .
7.4.3 7.4 u= UL/ U1 (7.4). uL (f) j (f) R3L . .
7.5
7.5.1 - () - Z=f(). - () =f(). , ,.. RL- R= L, RC- R= . R 1C
Z= ,
.
R3L
,
=arctg =arctg =arctg .
7.5.2 Hu (j ) , .. (j )= .
R
Huc(j )= .
H()= , j ()=-arctg .
RL
HUL(j ) = .
RL H()= , j ()= - .
H=0,707, = .