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,LC

2. ??????(Sinewave Oscillator). 3.0 ??3.1 !????????????3.2 !LC???????????3.3 LC?????????3.4 ?????3.5 RC??????3.6 ????????(????????)3.7 ??????. 3. ? ?. ?????????????????? ,LC?????????????RC???,????????????????????????:!?????????????????,!???????????????,?????????????????????????????????????RC?????????????????????????????????????,???????? .

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,LC

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    1. ?????? ??? ?????? (?)?????,LC???

    2. 2 ??????(Sinewave Oscillator) 3.0 ?? 3.1 !???????????? 3.2 !LC??????????? 3.3 LC????????? 3.4 ????? 3.5 RC?????? 3.6 ????????(????????) 3.7 ??????

    3. 3 ? ? ?????????????????? ,LC?????????????RC???,?????????????????????? ??: !?????????????????,!???????????????,??????????? ?????????????????????? ????RC????????????????? ????????????????????,????????

    4. 4 3.0 ?? ???????????????????????????????????? ???????,??????????????,?????????????????????????????? ??????????????,???????????????????????????????

    5. 5 2?????? ??????? ?????????????? ??????? ??????????? ??????? LC????RC????????? ????????????? ?????????????

    6. 6 3?????? ???????,????????? ???:??????????????? ????????:???????????????????????????,????????? ?????????:???????????????,?????????????,?????????????????????? ??:????????

    7. 7 4?????? ??????????? ???????? ???????,????????? ???????,??????????? ?????????????????? ???,????

    8. 8 5??????????? ??????????????????????????,???????????,?????????,??????????????????? ?????? ??CAD??,??PSPICE??????

    9. 9 3.1 ?????????? ?????????? ?????LC?????,????????????,???????????????????????? ????:??,??????????(????) ????:??,?????????????????????,?????? ????:??,???????????,????????????????????,??????????????????? ?????(?????) ??????,???????????,???????????????????(?????) ??????,???????????,??????????????

    10. 10 ?????????? ????????

    11. 11 ?????? ?? ?????? ??????,???????????????????(????) ???????????????osc????,???????osc???A(j?osc)F(j?osc)=1

    12. 12 1.????? ????? (??)???? ???? ??????:???????1 ??????:VF?Vi??,?????

    13. 13 ??

    14. 14 ??????????? ?????gm?????F?????,??????????????? ?????? ????????????

    15. 15 ????????????

    16. 16 ????????????? ????????????,????????? ????????????????????? ?????Q???,?????????,????????????,???????????OSC???????????????0 ?????????????????????

    17. 17 2.????? ????? ??????????,??????????????????????????????????????????????,???????????????????? ????????????,??????,????????,????VF??????Vi(??)????,??|VF|>|Vi| ?????????? ???? ????

    18. 18 ?????? ???? ????,??????????? ??????,?????????????????A ?????????A,??????????? ???????,????T???1,??????Vi????,???????????????????? ??????????,??????????????(?????/???) ,???????A??????????????(?????) ????? ????????,??????????????,?????????

    19. 19 ???? ??????????T=AF>1,??????????????,??????????,??????,???????T=AF=1 ???????????????,????????????,??????? ?????????,??????????A???????????(??) ??????????????T>1?????T=1,??????????,???? ???????????????,???????????????,????????,?????Q???,????????

    20. 20 ????????? ?????????? ????? ???????????? ????:

    21. 21 ????? ???????? ??????????????(????????????)?

    22. 22 ?? ??

    23. 23

    24. 24 ????????? ???? ????????,??????,??????I0 ????????????,??????(????),???????????????????

    25. 25 ???????? ???,????,???????,????T>1 ???(??)??????????,?????,?????????T=1 ??????,???????????

    26. 26 ??? ????,?????,???????? ?????,???????,???????,??????????,???????? ???????????,?????????

    27. 27 ???? ???,?????A???,??? ???,??Vi?????,?????????,?A??B?,??Ie???????,??????Ie=??,??IeQ,?????????Ie=Re??;??,Ib=Rb??? ???????,?????????C??? ??????????????????

    28. 28 ?????? ???? ??????????????????????????? ??????????,?????????,?????????????? ?????,?????????????????,???????? ??,????????

    29. 29 ?????? ??????,?????1, ????VF?????????Vi

    30. 30 ????????? ????F?????????,? ????????,?????(??????)?????;??,???????,???T=AF=1 ??????????,??????? ????????????? ???????????????,???????????,????,??? ??????,??????,???? ???????,?????,??????,??????

    31. 31 ?????? ??????????????????,?????????????? ????,??????;??, ?????????????? ????OSC?,??????,????????????2?(2n?) ??????,???????????,?????,???????????,?????????

    32. 32 ????????? ???????(?????),?????????????????

    33. 33 ???????????? ???? ???? ????

    34. 34 ?????????? ?????????????? ???????????????? ???????? ?????(?????) ????T????????? ???????? ????????????????,??????T(j?),????????T>1 ??????????????

    35. 35 3.2 LC???????? ?LC??(??)????????????????LC??? LC???,????????????????????????????? ????: ??????,????????,??????????????????,?????????????,????????,?????????????????,?????? ????,????????????????????;?????,??????????????????,???????,???????????

    36. 36 ??????? ???Q???? LC????????????????,????????????,???????????,???????????(LC????)?????????,????????????LC??????,?????????????Q? ??Q????????????????,??????????1?????;Q?????????????????????? ??,???????????LC???????????,???????????? ????????????,???????????,???????? ???LC???????????????????????

    37. 37 ????LC??? ???????,?????????????? ????? ?????

    38. 38 ????LC??? ???????,?????????????? ????? ?????

    39. 39 ??????

    40. 40 ??????

    41. 41 ?????

    42. 42 ?????? ????????LC?????????,????????????????

    43. 43 ?2: ????????????????????????????????????

    44. 44

    45. 45 ????????? ??????????????? ???????????

    46. 46 ??????

    47. 47 ??????

    48. 48 ????????????

    49. 49 ?3 ???????????? ????????????????Cbe?0,?=30,rbe=1200????????L=0.1uH,??????Q0=100??C1=C2,?????????f0=50MHz?????RL??,RE=1k?? ???????? ???????,????Q????????

    50. 50 ??:

    51. 51 ??????

    52. 52 ?????? ????? ????? ??:?????????????,????????,??????????;??????? ??:???????????? ??????????,????????????,??????? ????? ??:???????????? ??:?????????,???????????;??????

    53. 53 ??????????? ?????????(???)???????????(???)??????????,????????????????? ????F???????????F??,????,?????????????????,?????????;F??,???????????,Q???,????,??????,???????? ???????????????? ???????????????? ??Q?--???????????

    54. 54 ???(Clapp)??

    55. 55 ????????? ?? ??????????????????? ??????????????? ?? ??????,???????? ????????????CE???,?C3??

    56. 56 ??(Siler)?? ??C4,??????,????????????????????????,???????? ?????????

    57. 57 ???????????

    58. 58 ?: ???????????????,??????????????,??????

    59. 59

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