1 / 8

Lab #4 – Transistor Switching Circuits

Lab #4 – Transistor Switching Circuits. V DD. +5 V. 2N3904. I o. R. 1 k Ω. I c. V out. V out. V out. 100 k Ω. C. C. 2N3904. V in. 5 V. 0.1 μ F. 0 V. V DD. +5 V. 10 k Ω. 2N3906. V out. V in. V out. 10 k Ω. V in. 2N3904. 0.1 μ F. 0.1 μ F. Capacitive Loads. V max.

Download Presentation

Lab #4 – Transistor Switching Circuits

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Lab #4 – Transistor Switching Circuits

  2. VDD +5 V 2N3904 Io R 1 kΩ Ic Vout Vout Vout 100 kΩ C C 2N3904 Vin 5 V 0.1 μF 0 V VDD +5 V 10 kΩ 2N3906 Vout Vin Vout 10 kΩ Vin 2N3904 0.1 μF 0.1 μF Capacitive Loads

  3. Vmax 90% 10% 10-90% risetime Risetime

  4. 5 V 0 V +5 V 2N7000 470 Ω 100 μH Vout 3.3 kΩ 2N7000 Vin 10 kΩ 0.1 μF LC Load

  5. VDD VDD R R L Vout L Vout sL Vout t = 0 1/sC C C Ron Ron VDD/s VDD VDD R R L Vout L Vout sL Vout R t = 0 1/sC C C VDD/s Ron S-domain Analysis

  6. +12 V DC motor/fan 2N7000 0.1 μF Vin M DC Fan and Driver • DC Brushless Fan • 12VDC • Dimensions: 1.60"W x 1.60"H x 0.40"D • 6.7CFM • Ball • Current: 100mA • Power: 1.2 watts • Agency approvals: UL/CUL/TUV/CE • Noise: 25dBA • Connection: 10" W/Connectors FAN,12VDC,6.7CFM,1.6"SQ X .40"BALL,10" LEADS, UL/CUL/CE

  7. 2N7000 +5 V +5 V 100 μH 100 μH Vout 0.1 μF Vout 2N7000 Vin 2N7000 Vin 5 V 100 Ω 5 V 10 Ω 0 V 10 Ω 0 V f = 100 kHz Inductive Spiking This circuit gives a nice demonstration of ringing for a 2kHz input

  8. 2N7000 +5 V 100 μH Vout 2N7000 RL Vin 5 V 10 μF 100 kΩ 22 Ω 0 V Boost Converter

More Related