.


:




:

































 

 

 

 


,

 

: DSTM, STIM1 . .

 

 

1.1.

 

PSPICE () , SOURCE.

OrCAD16.3 PROBE, 1.

SOURCE, DigClock :

 

. 1.

 

 

1

PROBE
0
1
R (Rise)
F
X
Z ()

 

:

OFFTIME ;

ONTIME ;

DELAY ;

STARTVAL , ;

OPPVAL ( STARTVAL) ( ).

Property Editor.


. CAPTURE :

Place port , Place Hierarchical Port (. );

PORTRIGHT-L (. ), OK PORTRIGHT-L ;

PORTRIGHT-R.

:

(: PORTRIGHT-R) Display Properties, (: HI );

.

( SOURCE) STIM1, - : .

:

Property Editor, 16 : COMMAND1, COMMAND2,, COMMAND16;

. , COMMAND1 0 s 1, COMMAND2 2 us 0, COMMAND3 4 us 1.
[0 s, 2 us] 1,
[2 us, 4 us] 0. 4 us .

1. Lab_rab3, C:\Ivanov\EMb-14-1\Lab_rab3, Zadanie1, Zadanie2 Capture.

, 2. :

7400;

SOURCE;

, HI;

.

DSTM1, : OFFTIME = 2,5 us, ONTIME = 2,5 us, DELAY = 1 u, STARTVAL = 0, OPPVAL = 1.

DSTM2, : COMMAND1 0 s 1; COMMAND2 2 us 0; COMMAND3 4 us 1; COMMAND4 7 us 0; COMMAND5 10 us 1; COMMAND6 13 us 0; COMMAND7
16,5 us 1; COMMAND8 19 us 0.

Transient Run to time: ( :) 20us. . ٸ : <>→<OK> Simulation Settings-transient .

, . Probe SCHEMATIC1-transient PSpice A/D [transient (active)]. : <Trace>→<Add Trace >, Add Traces. : DSTM1:1, DSTM2:pin1, U1A:Y, U2A:Y, U3A:Y, 3. .

 

. 2.

 

 

. 3. , 2

2. , 4. 5 V1 2 U4 A U2 A HI.

DSTM2, : OFFTIME = 2,5 uS, ONTIME = 2,5 uS, DELAY = 1 u, STARTVAL = 0, OPPVAL = 1.

DSTM1, : COMMAND1 0s 1; COMMAND2 2 us 0; COMMAND3 4 us 1; COMMAND4 7 us Z; COMMAND5 10 us 1; COMMAND6 13 us 0; COMMAND7
16,5 us 1; COMMAND8 19 us 0.

R1 180 Om.

SCHEMATIC1-transient : Run to time=20 us.

, , , : DSTM2:1, DSTM1:pin1, U2A:Y, U3A:Y, U7A:Y, R1:1, 5.

 

. 4. ,

 

. 5. , 4

 

. , . , . V(R1:1) V7A:Y.

R1 200 Om, , . .

 

 

3.1. OrCad Capture.

3.2. 1, 2.

 

 

:

1;

, 2 4 , .

 

 

1. .

2. Probe.

3. ?

4. , 3.

5. , 5.

 

1. . PSPICE: . . .: , 2008. 336.: .

2. . . . : - ; . , 2007. 344 .: ., . ( ).

 

4

 



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