Transcript 13-1 無穩態多諧振盪器

實習十八
無穩態多諧振盪器
R=100K, C=0.1uf：Vo、Vc
Pspice 模擬-ua741 model
*--------------------------------------------------------2. * connections: non-inverting input
3. *
| inverting input
4. *
| | positive power supply
5. *
| | | negative power supply
6. *
| | | | output
7. *
| | | | |
8. .subckt uA741 1 2 3 4 5
9. *
10. vb
9 0 dc 0
11. vc
3 53 dc 1
12. ve 54 4 dc 1
13. vlim 7 8 dc 0
14. vlp 91 0 dc 40
15. vln 0 92 dc 40
16. c1 11 12 8.661E-12
17. c2
6 7 30.00E-12
18. dc
5 53 dy
19. de 54 5 dy
20. dlp 90 91 dx
21. dln 92 90 dx
22. dp
4 3 dx
1.
egnd 99 0 poly(2) 3 0 4 0 0 .5 .5
24. fb
7 99 poly(3) vb vc ve 0 10.61E6 -1E3 1E3
25. ga
6 0 11 12 188.5E-6
26. gcm 0 6 10 99 5.961E-9
27. iee 10 4 dc 15.16E-6
28. hlim 90 0 vlim 1K
29. q1 11 2 13 qx
30. q2 12 1 14 qx
31. r2
6 9 100.0E3
32. rc1 3 11 5.305E3
33. rc2 3 12 5.305E3
34. re1 13 10 1.836E3
35. re2 14 10 1.836E3
36. ree 10 99 13.19E6
37. ro1 8 5 50
38. ro2 7 99 100
39. rp
3 4 18.16E3
40. .ends uA741
41. .model dx D(Is=800.0E-18 Rs=1)
42. .model dy D(Is=800.00E-18 Rs=1m Cjo=10p)
43. .model qx NPN(Is=800.0E-18 Bf=93.75)
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Pspice 模擬
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**********************************************
* Define model of Zener Diode (Vz=5.6V) *
*************************************************
.model ZD56 D(Is=880.5E-18 Rs=.25 Ikf=0 N=1 Xti=3 Eg=1.11 Cjo=175p
+
M=.5516 Vj=.75 Fc=.5 Isr=1.859n Nr=2 Bv=5.6
+
Ibv=20.245m Nbv=1.6989 Ibvl=1.9556m Nbvl=14.976 Tbv1=-21.277u)
*
Motorola pid=1N750 case=DO-35 89-9-18 gjg
*
Vz = 5.6 @ 20mA, Zz = 300 @ 1mA, Zz = 12.5 @ 5mA, Zz =2.6 @ 20mA
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******************************************
*
supply voltage of uA741
*
******************************************
vcc
v+
0
dc
vee
v0
dc
15
-15
Pspice 模擬
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*********************************************
* circuit with uA741 to be verified
*
* connections: non-inverting input
*
| inverting input
*
| | positive power supply
*
| | | negative power supply
*
| | | | output
*
| | | | |
*
uA741 1 2 3 4 5
*********************************************
x1 2 1 v+ v3
uA741
Rz 3 4 1k
R 4 1 100k
C 1 0 0.1u IC=3
R1 4 2 100k
R2 2 0 85k
D1 4 5 ZD56
D2 0 5 ZD56
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*
category of analysis
*
************************************************
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*.op
.tran 0m 60m 0 0.01m
.probe
.end
Pspice 模擬
Pspice 模擬
Pspice 模擬
Pspice 模擬
Pspice 模擬
Pspice 模擬
Pspice 模擬
Pspice 模擬
Pspice 模擬
Pspice 模擬
Pspice 模擬