chpt. 4d1 bias-point location è effect of load-line a è effect of load-line b
TRANSCRIPT
![Page 1: Chpt. 4d1 Bias-Point Location è Effect of load-line A è Effect of load-line B](https://reader030.vdocuments.us/reader030/viewer/2022032801/56649ddc5503460f94ad3d94/html5/thumbnails/1.jpg)
Chpt. 4d 1
Bias-Point LocationBias-Point Location
Effect of load-line AEffect of load-line A
Effect of load-line BEffect of load-line B
![Page 2: Chpt. 4d1 Bias-Point Location è Effect of load-line A è Effect of load-line B](https://reader030.vdocuments.us/reader030/viewer/2022032801/56649ddc5503460f94ad3d94/html5/thumbnails/2.jpg)
Chpt. 4d 2
Biasing BJT for discrete circuitsBiasing BJT for discrete circuits
Biasing using a Single Power SupplyBiasing using a Single Power Supply Biasing using Two Power SuppliesBiasing using Two Power Supplies Biasing for common-emitter amplifiersBiasing for common-emitter amplifiers Biasing using a Current SourceBiasing using a Current Source
![Page 3: Chpt. 4d1 Bias-Point Location è Effect of load-line A è Effect of load-line B](https://reader030.vdocuments.us/reader030/viewer/2022032801/56649ddc5503460f94ad3d94/html5/thumbnails/3.jpg)
Chpt. 4d 3
Basic Single-Stage BJT : Basic Single-Stage BJT : common-emitter amplifiercommon-emitter amplifier
Circuit equivalent circuit (T-mode)Circuit equivalent circuit (T-mode) eliminating r_0eliminating r_0
![Page 4: Chpt. 4d1 Bias-Point Location è Effect of load-line A è Effect of load-line B](https://reader030.vdocuments.us/reader030/viewer/2022032801/56649ddc5503460f94ad3d94/html5/thumbnails/4.jpg)
Chpt. 4d 4
Common-base AmplifierCommon-base Amplifier
CircuitCircuit equivalent circuit (T- equivalent circuit (T-model)model)
![Page 5: Chpt. 4d1 Bias-Point Location è Effect of load-line A è Effect of load-line B](https://reader030.vdocuments.us/reader030/viewer/2022032801/56649ddc5503460f94ad3d94/html5/thumbnails/5.jpg)
Chpt. 4d 5
Common-collector AmplifierCommon-collector Amplifieror Emitter Followeror Emitter Follower
Circuit equivalent circuit (T-model)Circuit equivalent circuit (T-model)
![Page 6: Chpt. 4d1 Bias-Point Location è Effect of load-line A è Effect of load-line B](https://reader030.vdocuments.us/reader030/viewer/2022032801/56649ddc5503460f94ad3d94/html5/thumbnails/6.jpg)
Chpt. 4d 6
c-c or e-f amplifier (cont)c-c or e-f amplifier (cont)
Equivalent circuit Equivalent circuit circuit to circuit to redrawn determine R_oredrawn determine R_o
![Page 7: Chpt. 4d1 Bias-Point Location è Effect of load-line A è Effect of load-line B](https://reader030.vdocuments.us/reader030/viewer/2022032801/56649ddc5503460f94ad3d94/html5/thumbnails/7.jpg)
Chpt. 4d 7
Transistor as a Switch-CutoffTransistor as a Switch-Cutoff
cutoff regioncutoff region active regionactive region saturation regionsaturation region model for the Saturated BJTmodel for the Saturated BJT
![Page 8: Chpt. 4d1 Bias-Point Location è Effect of load-line A è Effect of load-line B](https://reader030.vdocuments.us/reader030/viewer/2022032801/56649ddc5503460f94ad3d94/html5/thumbnails/8.jpg)
Chpt. 4d 8
EBERS-MOLL (EM) Model: EBERS-MOLL (EM) Model: large-signal model for BJTlarge-signal model for BJT
npn npn transistor EM modeltransistor EM model