(置於液态氮中)

(置於液态氮中) IV測量: (1)T=300k =0~-0.5voltV0.00.51.01.52.0GS0.00140.0014 V=0voltGS V=-0.1voltGS V=-0.2volt0.00120.0012GSY =7.80005E-4+2.32225E-4 X V=-0.3voltGS V=-0.4volt0.00100.0010GS V=-0.5voltGS0.00080.0008(A)I 0.00060.0006DSI 0.00040.00040.00020.00020.00000.0000 0.00.51.01.52.0 V(volt)DS (2)T=77k (置於液態氮中) 0.00.51.01.52.0 0.00120.0012 Vgs0 Vgs-0.1 Vgs-0.20.00100.0010 Vgs-0.3 Vgs-0.40.00080.0008 Vgs-0.50.00060.0006(A) D 0.00040.00040.00020.00020.00000.00000.00.51.01.52.0 V(volt)DS (3)T=300k(元件回到室溫後再量一次) 0.00.51.01.52.0 0.00140.0014 B Vgs-0.1 Vgs-0.20.00120.0012 Vgs-0.3 Vgs-0.40.00100.0010 Vgs-0.5 I0.00080.0008 (A)DI0.00060.00060.00040.00040.00020.00020.00000.00000.00.51.01.52.0 V(volt)DS (4)V=0 volt,比較300k和77k的V-I圖。 GS 0.00.51.01.52.0 0.00140.00140.00120.00120.00100.0010 T=300k0.00080.0008 T=77k(A) D0.00060.00060.00040.00040.00020.00020.00000.00000.00.51.01.52.0 V(volt)DS 0.0011 V- I (at V=1volt,T=300k)GSDSDS Y = 0.00105 + 0.00133 * X0.0010 g=i/v=0.00133mdgs 0.0009 0.0008 0.0007 (amp)DI0.0006 0.0005 0.0004 0.0003 -0.5-0.4-0.3-0.2-0.10.0 V(volt)GS 0.0011 V- I (at V=0.95volt,T=300k)GSDSDS Y = 0.00103 + 0.0013 * X0.0010 g=i/v=0.0013mdgs 0.0009 0.0008 0.0007 0.0006Y Axis Title 0.0005 0.0004 0.0003 -0.5-0.4-0.3-0.2-0.10.0 X Axis Title dBm 測量放大率,錯誤的 (6/2修改),需刪除 -5 -10 -15 -20 -25 -30 1001000 Frequency(MHz) Vds-Ids圖(不含電阻680ohm) -I(不含電阻680ohm)V-0.20.00.20.40.60.81.01.21.41.61.8DSDS0.00140.0014 V=0voltGS V=-0.1voltGS0.00120.0012 V=-0.2voltGS V=-0.3voltGS0.00100.0010 V=-0.4voltGS V=-0.5voltGS0.00080.0008 0.00060.0006(amp)dsI 0.00040.00040.00020.00020.00000.0000 -0.20.00.20.40.60.81.01.21.41.61.8 V(volt)DS 在Vds=0.5volt的gm 0.0011V-I(at V=0.5volt) GSDSDS y=0.00108+0.00145*x0.0010gm=0.00145 0.0009 0.0008 0.0007(amp)DSI0.0006 0.0005 0.0004 0.0003 -0.5-0.4-0.3-0.2-0.10.0 V(volt)GS I 在77k下的Vds-Ids圖(不含電阻680ohm) @77k-0.20.00.20.40.60.81.01.21.41.61.8-I(不含電阻680ohm)V0.00120.0012DSDS V=0voltGS V=-0.1voltGS0.00100.0010 V=-0.2voltGS V=-0.3voltGS0.00080.0008 V=-0.4voltGS V=-0.5voltGS0.00060.0006 (amp)ds0.00040.00040.00020.00020.00000.0000 -0.20.00.20.40.60.81.01.21.41.61.8 V(volt)DS