Agilent Technologies 54622A Manual do Utilizador

[email protected] Oscilloscope1Agilent 54622A Portable DSO2 ch, 100 MHz; max 200 Msa/s, max 2 MB/ch (MegaZoom)Hi-Def display, flexible Trig; auto

[email protected] Oscilloscope10Interpreting the DisplayDigital channels( 54622D)circular arrow: use Entry knob

[email protected] Oscilloscope11(1) Vertical - Voltage controls1 mV/DIV to 5 V/DIVmax 300Vrms, 400Vpkwith 10074C 10:1 probe: 500 Vpk(Auto probe)8

[email protected] Oscilloscope12Vertical (press 1 [or 2] hardkey)TRIG markerTRIGpointtime referenceTime/DIV (sweep speed)zeromarkerdelayzeromarke

[email protected] Oscilloscope13(2) Horizontal – Time controlsMain horizontal mode is the normal viewing mode for the oscilloscope.Whenthe oscill

[email protected] Oscilloscope14Horizontal (press Main/Delayed hardkey)EQU time sampling (ETS)possible 1000 :1 zoom ratioTime ref:LeftCenterRight

[email protected] Oscilloscope15(3) Waveform (press Acquire hardkey)Waveform (press Display hardkey)OFFON ( “connect the dot”:LIN interpolation )

[email protected] Oscilloscope16Equivalent-time sampling (ETS) vs. Real-time sampling (RTS)(Normal mode vs. Realtime mode: 2 us/DIV or faster)RTS

[email protected] Oscilloscope17#AVG: 8 (default number)#AVG can be set from 1 to 16K in powers-of-2 increment

[email protected] Oscilloscope18Vectors ON/OFFactualA/D samples

[email protected] Oscilloscope19(4) Run control: Run/Stop vs. Single hardkeys: continuous acquisition (a “ping-pong” technique)

[email protected] Oscilloscope2Getting startedSW version, opt module etc.symbols used in softkeysnonmetallic toolPLEASE DO NOTchange (or delete)t

[email protected] Oscilloscope20To capture a single event (single-shot)

[email protected] Oscilloscope21MegaZoom deep memory technologyzoom about the Time reference point(pan)

[email protected] Oscilloscope22MegaZoom - How does it work?Conventional Deep Memory Oscilloscope ArchitectureA/DDeepAcquisitionMemoryMegaZoom Cu

[email protected] Oscilloscope23HiDef display(Display: 1K pixel)Internet Demo http://www.get.agilent.com/gpinstruments/products/54600/flash.sht

[email protected] Oscilloscope24Pan (move horizontally) and zoom (expand or compress horizontally) an acquired waveform:The bright dot on the hig

[email protected] Oscilloscope25(5) Trigger controls(More)You can move the trigger point, which is the center of the graticule by default, using

[email protected] Oscilloscope26Trigger types• Edge• Pulse width (glitch)• Pattern• CAN (Controller Area Network) – Appl Note 1429• Duration•I2C

[email protected] Oscilloscope27Trigger (press Mode/Coupling hardkey)Note: with MegaZoom technology, you can press Stop, then pan and zoom throug

[email protected] Oscilloscope28Trigger: press Edge hardkey

[email protected] Oscilloscope29Trigger: press Pulse Width hardkey

[email protected] Oscilloscope3Default configurationA good way to start is to return the scope to its Default condition.Note: the Default Setup d

[email protected] Oscilloscope30Trigger: press Pattern hardkeyThe pattern is a logical AND conditionof the channels( related to channel’s Trig le

[email protected] Oscilloscope31(6) Measure (press Quick Meas hardkey)the first two happen automaticallya spec meas: X at Max YNote: measurements

[email protected] Oscilloscope32To measure voltage across R1 (R1 = 3K, R2 = 2K)CH1=GenCH2AVG = 8CH1CH2Math: CH1-CH2

[email protected] Oscilloscope33Measure (press Cursors hardkey)Cursors hardkeyNormalBINHEX

[email protected] Oscilloscope34Cursor measurements

[email protected] Oscilloscope35(7) Math functions (press Math hardkey)FFT,Multiplying, Subtracting,Differentiation,IntegrationNote: measurements

[email protected] Oscilloscope362K FFT (dBV vs. frequency)1, 2, 1+2, 1- 2, 1*2set byTime/DIVHanning (freq)Flat Top (ampl)Rectangular

[email protected] Oscilloscope37Time domain vs. frequency domain (∆t. ∆f= 1/N; N = 2K)1 kHz,1 Vrmschangethe time/DIV(i.e. sample_rate)∆t = 1 / sa

[email protected] Oscilloscope38AliasingSpectrum of a1 kHz square waveMax Span: 102.4/(Time/DIV) Resolution: 0.1/(Time/DIV)alias……Note: turn OFF

[email protected] Oscilloscope39Spectrum of Probe Comp signal (1.2 kHz square wave)10 dB/DIV, HANNING windowQuick Meas hardkey,Source softkey to

[email protected] Oscilloscope4Press Autoscale hardkey… or Only Displayed Channels(on subsequently Autoscales)The delay set to 0.00 s.

[email protected] Oscilloscope40AM signals(the ability of the FFT to resolve two closely spaced frequencies)

[email protected] Oscilloscope41(8) Saving and Recalling info

[email protected] Oscilloscope42File (press Save/Recall hardkey)Current oscilloscope setup and waveform traceto internal memory( 3 non-volatile )

[email protected] Oscilloscope43File (press Quick Print hardkey)The first step: Print Config (i.e. Disk) and file Format (i.e. TIF)With a floppy

[email protected] Oscilloscope44Press Utility hardkeya list of the file(s) savedTIF imageBPM imageCSV dataDiskParallel (printer)vertical Expand a

[email protected] Oscilloscope5Intensity knobProbe attenuation

[email protected] Oscilloscope6Built-in Help (pressing and holding ANY key)circular arrow: use Entry knobNote: the button function itself will NO

[email protected] Oscilloscope7WaveformMeasureFileNote: buttons appearing with a GREEN light are ACTIVE.

[email protected] Oscilloscope8

[email protected] Oscilloscope9Front PanelVolts/DIV Position knobMathTRIGLevelknob(1)(2) (3)(4)(5)(6)(7)(8)Time/DIV(sweep speed)Delay time knob