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實習十八 無穩態多諧振盪器. R=100K, C=0.1uf : Vo 、 Vc.

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Presentation on theme: "實習十八 無穩態多諧振盪器. R=100K, C=0.1uf : Vo 、 Vc."— Presentation transcript:

1 實習十八 無穩態多諧振盪器

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12 R=100K, C=0.1uf : Vo 、 Vc

13 Pspice 模擬 -ua741 model 1. * * connections: non-inverting input 3. * | inverting input 4. * | | positive power supply 5. * | | | negative power supply 6. * | | | | output 7. * | | | | | 8..subckt uA * 10. vb 9 0 dc vc 3 53 dc ve 54 4 dc vlim 7 8 dc vlp 91 0 dc vln 0 92 dc c E c E dc 5 53 dy 19. de 54 5 dy 20. dlp dx 21. dln dx 22. dp 4 3 dx 23. egnd 99 0 poly(2) fb 7 99 poly(3) vb vc ve E6 -1E3 1E3 25. ga E gcm E iee 10 4 dc 15.16E hlim 90 0 vlim 1K 29. q qx 30. q qx 31. r E3 32. rc E3 33. rc E3 34. re E3 35. re E3 36. ree E6 37. ro ro rp E3 40..ends uA 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) 44.

14 Pspice 模擬 45. ********************************************** 46. * Define model of Zener Diode (Vz=5.6V) * 47. ************************************************* 48..model ZD56D(Is=880.5E-18 Rs=.25 Ikf=0 N=1 Xti=3 Eg=1.11 Cjo=175p 49. +M=.5516 Vj=.75 Fc=.5 Isr=1.859n Nr=2 Bv= Ibv=20.245m Nbv= Ibvl=1.9556m Nbvl= Tbv1= u) 51. *Motorolapid=1N750case=DO gjg 52. *Vz = 20mA, Zz = 1mA, Zz = 5mA, Zz 20mA ****************************************** 55. * supply voltage of uA741 * 56. ****************************************** 57. vccv+0dc veev-0dc

15 Pspice 模擬 61. ********************************************* 62. * circuit with uA741 to be verified * 63. * connections: non-inverting input 64. * | inverting input 65. * | | positive power supply 66. * | | | negative power supply 67. * | | | | output 68. * | | | | | 69. * uA ********************************************* 71. x1 2 1 v+ v-3uA Rz 3 4 1k 73. R k 74. C u IC=3 75. R k 76. R k 77. D1 4 5 ZD D2 0 5 ZD ************************************************ 81. * category of analysis * 82. ************************************************ *.op 85..tran 0m 60m m 86..probe 87..end 88.

16 Pspice 模擬

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