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Oscilloscope and Signal Generator: Setup and Measurement Guide

johnestewart avatar
johnestewart
8 diapositives · 230 Views · Jan 07, 2020

Learn how to set up an oscilloscope and signal generator for accurate signal measurements. Follow step-by-step instructions on adjusting amplitude, frequency, time/division, and using the ADD function for differential voltage measurement.

#oscilloscope and signal generator: setup and measurement guide #oscilloscope and signal generator: setup and measurement guide ppt #powerpoint #presentation
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Oscilloscope and Signal Generator: Setup and Measurement Guide
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  1. Generator Functions Frequency Range Output Frequency display Frequency Knob -20 db (output attenuate) Amplitude (output Level) Knob

  2. AC DC Press one toggle AC/DC look at left bottom corner of display INV Press and hold to invert the signal Press once GND (see left bottom corner of display) Time/Division Knob Auto Setup Time/Division Display Move cursor Up/Down or Left/Right Volt/Division Knob Press and hold toggle deltaV and deltaT Press once to active cursor (broken to dask) and use Cursor to move Volt/Division Display To ADD the signal Press both key DUAL and CH2 at the same time Look at the bottom display see + symbol

  3. Generate A signal • Functions (Sine, Triangle, Square Wave) • Amplitude (A) • Frequency(F) • On Generator: • Select a function (Sine, Triangle, or Square Wave) • Select frequency range. • Turn Amplitude knob to mid range.

  4. Setup Amplitude • On Oscilloscope Side: 1) Find out appropriate Volt/Division. 1- Amplitude / 4 = Estimated Volt/Division. 2- Turn Volts/Division knob and observe Volt/Division display on the screen, stop when Volts/Division = or < then Estimated Volts/Division. 3- Look at the displaying Volts/Division, This is the appropriate Volts/Division 2) Find out the number of Division. - The Number of Divisions = Amplitude / (Volts/Division) 3) When the setting is done, then do not touch Oscilloscope go to generator.

  5. 4) On generator side, turn Amplitude knob. 5) Observe the Oscilloscope screen until the signal display Vp-p to the calculated number of vertical divisions.

  6. Setup Frequency • On Oscilloscope Side: 1) Calculate period (T). T= (1/F) • Find out appropriate Time/Division for one period. 1- Period(T) / 4 = Estimated Time/Division. 2- Turn Time/Division knob and observe Time/Division display on the screen. , stop when Volt/Division = or < then Estimated Time/Division. 3- Look at the displaying Time/Division, This is the appropriate Time/Division. • Find out the number of Division. - The Number of Divisions = T / (displayed Volts/Division)

  7. 4) On generator side, set the Frequency Range to the appropriate range. 5) Adjust the Frequency knob and Observe the Oscilloscope screen until one period(T) gets to the calculated number of horizontal divisions .

  8. Use ADD function to measure the differential voltage with Oscilloscope • Connect Scope CH#1 to first point • Connect Scope CH#2 to second point • Adjust both channels to the same Volt/ Division • If you want CH#1 – CH#2 then Press Invert CH#2 ( see at the bottom on • the display C2 get the bar over that means invert • e) Press both button DUAL and CH#2 same time ( see a + sign at bottom on • display means ADD ok) • f) Press CH#2 and use cursor to measure the voltage