前回までの話では ... - am.ics.keio.ac.jp

1 1 2 2 i1,i2 v1,v2 2 Z Z v1,v2 i1,i2 Y i1,v2 v1,i2 H H 3 4 4 h Z Y h Z Y i1=0 i1=0 v1,v2,i2 h12, h22 h12 v1/v2 hr h22 i2/v2 v1,i1.

2 I2 h11 h12 h11 v1/i1 hi h12 i2/i1 hf 5 hf hr hi ho 6 hi,hr,hf,ho hi hfi1 1 ho 7 hr 0 0 8 h 2 hie hfe hie hfe i1 hfe 9 hie VBE IB A 50K hfe VCE IC IB 4 A 175

3 10hie 11 CR RL 0 v1 i1 RB hie hie ib hfe Rc RL vo RL i2 i2/i1 vo/vi 12 i1 RB hie 2:1 3 2 hie ib hfe=200 RC RL RC=RL 400 6 13 CR Vcc GND CE1 RB2 RB 14CR R1.

4 R2 hie hie hfeib R1//R2//R3 hie hie 50K R3//R2//R1 5K 10K 1 15 16 17 B dB( 10 2 20 10 20dB, 100 40dB 1000 60dB 1 0dB 1 2 6dB -6dB 2 1 3dB 36 B 18 R 19 CR 20)

5 Hfe ib 21 ib 22 CR B 23 CR 6 24 ON IB R1 hFE IB hFE hfe hFE hFE IB R2 Vcc R2 Y 0 Vcc R2 25 n ON IIL n IIL IB hFE IR V n 0V n n IB hFE>n IIL+IR DTL IB ON OFF DTL TTL TTL CMOS CMOS 26 27 28