1 - , 2 - , . . 1 2.
. 1 - -
, , , . 2. , , : - Q=T/t. , . , , .
, , - . . - .
. 2 - ,
, VT1 , R3. . 1 . VT2 2 . 1 , VT2 VT2 . 2 , VT1 . .
: R1=R4, R2=R3, C1=C2. :
:
, (. ).
, - . , .
, , () , 3. R1 R2.
4 , .
. 4 -
R2, R4 1 2, R1, R3,R4, R6 , ( , ). , , .
|
|
- . , . , , .
.
.
U(t)= U(0) + K Ux(t)dt,
U(0) - t = 0, - .
epexoc, RC - .
. 2.5
RC : , t=RC.
U(t) = Ux [ l- l+l/t -1/2! (t/t)2+...+l/n(t/t)n]
,
U(t) , - . t = t
U(t)= Ut/t (1-t/2t),
t.
, RC- .
t = t
= d / (Ut/t) = t/2t
:
. 2.6
, Q - , U - , .. Q = CU ,
, Ir= Ic,
U= 0, Uc= - U,
dU,
,
.
.
1. :
. 2.7
, .. U1= U t >= t0, U1= 0 t > t0,
.
2.
. 2.8
, .
,
.
, .
3.
, t1< t < t2,
- ()
. 2.9
. , - ( ) , U, U. , . , U , U, , U.
|
|
U
U = - + Udt + Idt + U
:
1. U;
2. ;
3. Rp.
:
. 2.10
R= R||Rp I.
RC-, 1+, .
U(t) = - UKoyt / [RC(l+Koy)]
U(t)= - UK [l-exp(- t / tc),
tc=(l+Koy)RC.
g = t/2t = t/[2(1+)R
.. RC- RC.
:
. 2.11
aa .
- aa , - Rp.
, , .
F =
Rp- , () .
:
F = =
, ,
(Rp ) 6 / , .
:
. 2.12
,
U = - RC
.
Ic = C
U1.
, , , . . Ir= I
U= R Ir= - R Ic, U = - RC
, - , .
, ( 6 /) 6 . c.
. 2.13
12 /, .
.
:
. 2.14
, 6 / , . .
|
|
F2 =
R B, .
c . 2.15
. 2.15
R , :