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19. Power Supply & Multimeter

19. Power Supply & Multimeter. Prof. Seewhy Lee Presents. Agenda. Connector and Cable Power Supply Voltage Measurement Current Measurement Problems. 1. Connectors & Cables. Banana Plug. Caiman. Crocodile. Alligator. 물을 마시려면 네 목을 걸어 !.

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19. Power Supply & Multimeter

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  1. 19. Power Supply & Multimeter Prof. Seewhy Lee Presents

  2. Agenda • Connector and Cable • Power Supply • Voltage Measurement • Current Measurement • Problems

  3. 1. Connectors & Cables

  4. Banana Plug

  5. Caiman

  6. Crocodile

  7. Alligator

  8. 물을마시려면 네 목을 걸어! • http://www.youtube.com/watch?feature=player_detailpage&v=4h9re1bHt40

  9. Alligator Clip

  10. 2. Power Suply

  11. Hewlett-Packard

  12. Cofounders: Hewlett & Packard

  13. William Hewlett (1913~2001) David Packard (1912~1996)

  14. Front Panel Agilent E3645A Power Supply Rear Panel

  15. Warning: No operator serviceable parts inside: refer servicing to service trained personnel. GPIB (General Purpose Interfacing Bus) Warning: For continued fire protection, use specified ~ line fuse.

  16. Agilent E3645A DC Power Supply Voltage Setting • Output On/Off Power On/Off Toggle • Output Connection

  17. Power Supply Voltage Source Current Source

  18. 3. Voltage Measurement

  19. Joseph F. Keithley

  20. 전압 입력 전류 입력 직류 전압 교류 전압 직류 전류 교류 전류

  21. Voltage Measurement B A V • 두점사이의 전위차 측정 • 전압계의 내부저항은 ∞ • 전압계눈금 = VA- VB

  22. 4. Current Measurement

  23. Current Measurement I B A A • 도선을통해 흐르는 전류 측정 • 전류계의 내부저항은 0 • 전류계눈금 = A에서 B로 흐르는 전류

  24. Doctor & Engineer • It’s art rather than technique! • Nice equipment is very important! • Careful analysis is more important! • Caution & prudence always needed!

  25. 5. Problems

  26. 1. Caiman / Alligator / Crocodile 카이만/앨리게이터/크로커다일의 차이를 알기 위해, 세 악어를 한 마리씩 잡아서, 이빨을 뽑아 제출!

  27. 3. Before Turning Power On/Off

  28. 4. Misnomers • Tester  Multimeter • 전압  전위 / 전위차 • 세발낙지  • 선플악플  • 프림  크림 • 플랜카드  플래카드

  29. 7. Coaxial Cable

  30. * Shielding * • 쉴딩: 도체로감싸 외부의 전기적 영향 차폐 • 생활의 지혜: 벼락 칠 때 차 안에 있으면 안전 • 실험: 냄비 속에 전화기 두면 전화가 걸리지 않음 • 동축 케이블: 신호선을 와이어로 감싸 외부 노이즈 차단

  31. FaradayCage

  32. Click!

  33. Bayonet(銃劍)

  34. Bayonet Mount

  35. BNC Connector Bayonet Neil-Concelman

  36. TNC Connector Male Female Threaded Neil-Concelman

  37. Thanks for your attention! Prof. Seewhy Lee

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