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H ng d n s d ng Oscilloscope ướ H NG D N S D NG OSCILLOSCOPE ƯỚ I. Gi i thi u Panel: A. Panel tr c: ướ 1. CRT: POWER: Công t c chính c a máy, khi b t công t c lên thì đèn led s sáng INTEN: Đi u ch nh đ sáng c a đi m ho c tia FOCUS: Đi u ch nh đ s c nét c a hình ộ ắ TRACE RATOTION: Đi u ch nh tia song song v i đ ng k ngang trên màn hình ườ 2. Vertical: CH1 (X): Đ u vào vertical CH1 là tr c X trong ch đ X-Y ế CH2 (Y): Đ u vào vertical CH2 là tr c Y trong ch đ X-Y ế AC-GND-DC: Ch n l a ch đ c a tín hi u vào và khu ch đâ d c ế ế - AC n i AC - GND khu ch đ i d c tín hi u vào đ c n i đ t và tín hi u vào đ c ng t ra ế ượ ượ - DC n i DC VOLTS/DIV: Ch n l a đ nh y c a tr c d c t 5mV/DIV đ n 5V/DIV, t ng c ng là 10 ế t m VAIRIABLE: Tinh ch nh đ nh y v i giá tr > 1/2.5 giá tr đ c đ c. Đ nh y đ c ượ ượ ch nh đ n giá tr đ c tr ng t i v trí CAL. ế ư POSITION: Dùng đ đi u ch nh v trí c a tia VERT MODE: L a ch n kênh - CH1: Ch có 1 kênh CH1 - CH1: Ch có 1 kênh CH1 - DUAL: Hi n th c hai kênh - ADD: Th c hi n phép c ng (CH1 + CH2) ho c phép tr (CH1-CH2) (phép tr ch có tác d ng khi CH2 INV đ c nh n). ượ ALT/CHOP: Khi nút này đ c nh ra trong ch đ Dual thì kênh 1 và kênh 2 đ c hi n ượ ế ượ th m t cách luân phiên, khi nút này đ c n vào trong ch đ Dual, thì kênh 1 và kênh 2 ượ ế đ c hi n th đ ng th i. ượ 3. Triggering: Võ Minh Thông
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H ng d n s d ng Oscilloscope ướ EXT TRIG IN : Đ u vào Trigger ngoài, đ s d ng đ u vào này, ta đi u ch nh Source
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  • Fall '14
  • LeBaTranPhuong

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