EZ Digital OS-5060A Operation Manual Download Page 4 | Manualshive

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Introduction

Thank you for purchasing a EZ product.    Electronic measuring instruments
produced by EZ digital are high technology products made under strict quality
control. We guarantee their exceptional and utmost reliability.    For proper use    of
the product    please read this manual carefully

.

Note

1. To maintain the precision and reliability of the product use it in the
standard setting(temperature 10

℃～

35

℃

and humidity 45%

～

85%)

2. After turning on-power, please allow a 15minute preheating period before using.

3. This equipment should be used with a triple line power cord for safety.

4. For quality improvement the exterior design and specifications of the
        product can be changed without prior notice.

5. If you have further questions concerning use, please contact the EZ
      Digital service center or sales outlet.

Free Datasheet http://www.datasheet4u.com/

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Summary of Contents for OS-5060A

Page 1: ...Oscilloscope Analog Oscilloscope Operation Manual Free Datasheet http www datasheet4u com ...

Page 2: ...Oscilloscope Analog Oscilloscope Operation Manual Free Datasheet http www datasheet4u com ...

Page 3: ...Caution and warning statements CAUTION Is used to indicate correct operating or maintenance procedures in order to prevent damage to or destruction of the equipment or other property WARNING Calls attention to a potential danger that requires correct procedures or practices in order to prevent personal injury Symbols Caution refer to accompanying documents and Warning Protective ground earth symbo...

Page 4: ...ion and reliability of the product use it in the standard setting temperature 10 35 and humidity 45 85 2 After turning on power please allow a 15minute preheating period before using 3 This equipment should be used with a triple line power cord for safety 4 For quality improvement the exterior design and specifications of the product can be changed without prior notice 5 If you have further questi...

Page 5: ...service center or sales outlet free of charge We charge for repairs after the one year warranty period expires When the failure is a result of user s neglect natural disaster or accident we charge for repairs regardless of the warranty period For more professional repair service be sure to contact our service center or sales outlet Free Datasheet http www datasheet4u com ...

Page 6: ...ary Control Settings and Adjustments 19 2 2 2 Signal Connections 22 2 2 3 Signal Trace Operation 23 2 2 4 Dual Trace Operation 25 2 2 5 Trigger Options 27 2 2 6 Additive and Differential Operation 30 2 2 7 X Y Operation 31 2 2 8 Delayed time base Operation 32 2 3 MEASUREMENT APPLICATIONS 2 3 1 Amplitude Measurements 35 2 3 2 Time Interval Measurements 39 2 3 3 Frequency Measurement 41 2 3 4 Phase ...

Page 7: ...3 USER MAINTENANCE GUIDE 49 3 1 CLEANING 49 3 2 CALIBRATION INTERVAL 49 4 DIAGRAMS 50 4 1 EXTERNAL VIEWS 50 4 2 BLOCK DIAGRAMS 51 Free Datasheet http www datasheet4u com ...

Page 8: ...is input Intensity Modulation 1 Input signal 2 Band width 3 Coupling 4 Input impedance 5 Maximum input voltage 30V DC peak AC X1 DC to 60MHz normal X5 DC to 20MHz magnified X1 10Mz to 60MHz normal X5 10Mz to 20MHz magnified CH1 CH2 ADD DUAL CHOP Time div switch 0 2s 5ms ALT Time div switch 2ms 0 1 5mV div to 5V div in 10calibrated steps of a 1 2 5 sequence Continuously variable between steps at le...

Page 9: ... time 9 CH1 out Vertical Deflection 2 10 Polarity invertion 11 Signal delay Horizontal Deflection 1 Display modes 2 Time base A Hold off time 3 Time base B Delayed sweep Delay time jitter 4 Sweep magnification 5 Accuracy 3 5 0 to 50 additional error for magnifier 2 AUTO NORM TV V TV H CH1 CH2 LINE EXT AC or 20Hz 2MHz 2MHz 60MHz INT 0 5 div 1 5 div EXT 0 15 Vp p 0 3 Vp p at least 1 div or 1 0Vp p 1...

Page 10: ...r probe adj approx 1KHz frequency 0 5V 3 squar wave duty ratio 50 Fuse 250V Voltage range UL198G IEC127 100 90 110V AC 120 108 132V AC 2A F2A 220 198 242V AC 230 207 250V AC 1A F1A 50 60Hz Power Supply 1 Voltage range 2 Frequency 3 Power consumption approx 45W 6 0kg Physical Charac 1 Weight 2 Dimension 320mm W X 140mm H X 430mm L 10 C to 35 C 50 F to 95 F 0 C to 40 C 32 F to 104 F 20 C to 70 C 4 F...

Page 11: ...sure the instrument is disconnected from the power source 2 Pull out the Line Voltage Selector switch on the rear panel Select the arrow mark position of the switch from Table 1 1 Slide the arrow mark to the desired position and plug it in 3 Pull out the Line Fuse Holder containing the fuse for overload protection Replace the fuse in the holder with the correct fuse from Table 1 1 and plug it in T...

Page 12: ...filled containers such as coffee cups on top of this instrument A spill could seriously damage the instrument 5 Do not use this instrument where it is subject to severe vibration or strong blows 6 Do not place heavy objects on the case or otherwise block the ventilation holes 7 Do not use this oscilloscope in strong magnetic fields such as near motors 8 Do not insert wires tools etc through the ve...

Page 13: ...12 Free Datasheet http www datasheet4u com ...

Page 14: ... are keyed to the items called out in Figures 2 1 2 1 1 Display and Power Blocks Item Function 1 POWER switch Push in to turn instrument power on and off 2 POWER lamp Lights when power is on 3 INTEN control Adjusts the brightness of the CRT display Clockwise rotation increases brightness 4 FOCUS control To obtain maximum trace sharpness 5 ROTATION control Allows screwdriver adjustment of trace ali...

Page 15: ...vertical amplifier AC position inserts a capacitor between the Input connector and amplifier to block any DC component in the input signal GND position connects the amplifier to ground Instead of the input connector so a ground Reference can be established DC position connects the amplifier directly To its input connector thus passing all Signal components on to the amplifier 12 CH2 AC GND DC swit...

Page 16: ...ockwise rotation moves the trace up counterclockwise rotation moves the trace downward 18 PULL CH2 INV switch When pulled the polarity of the CH2 signal on CH2 POSITION control is inverted 19 V MODE switch When pulled the polarity of the CH2 signal is inverted To select the vertical amplifier display mode CH1 position displays only the channel 1 Input signal on the CRT screen CH2 position displays...

Page 17: ...er the delay time determined by the A TIME DIV switch and the DELAY TIME POS control 22 A TIME DIV switch To select either the calibrated sweep rate of the main A timebase the delay time range for delayed sweep operation 23 B TIME DIV switch To select the calibrated sweep rate of the delayed B timebase 24 DELAY TIME POS control To determine the exact starting point within the A timebase delay rang...

Page 18: ... requirement Is missing This mode must be used when the signal Frequency is 25 Hz or lower TV V position is used for observing a composite Video signal at the frame rate TV H position is used for observing a composite Video signal at the frame rate 28 Trigger SOURCE switch To conveniently select the trigger source CH1 position selects the channel 1 signal as The trigger source CH2 position selects...

Page 19: ...lope of the on LEVEL control trigger signal for initiating sweep Pushed in the switch selects the positive slope When pulled this switch selects the negative slope 31 EXT TRIG IN connector For applying external trigger signal to the trigger circuits CAUTION To avoid damage to the oscilloscope do not apply more than 250V DC Peak AC between EXT Trig In terminal and ground 2 1 4 Miscellaneous Feature...

Page 20: ...IZ DISPLAY switches 21 A A TIME DIV switch 22 0 5ms A VARIABLE control 25 Fully CW and pushed in Horizontal POSITION control 26 Mid rotation Trigger MODE switch 27 AUTO Trigger SOURCE switch 28 CH1 Trigger LEVEL control 30 Mid rotation HOLDOFF control 29 NORM Fully CCW 2 Connect the AC Power Cord to the Power Connector 8 then plug the cord into a convenient AC outlet 3 Press in the POWER switch 1 ...

Page 21: ...he left edge of the trace with the left most graticule line 8 Set one of the supplied probes for 10X attenuation Then connect its BNC end to the CH1 or X IN connector 9 and its tip to the CAL connector 33 A square wave display two and a half divisions in amplitude should appear On the CRT screen 9 If the tops and bottoms of the displayed square waves are tilted or peaked the probes must be compens...

Page 22: ... a PROBE b EGGECTS OF PROBE COMPENSATION FIGURE 2 2 PROBE COMPENSATION Free Datasheet http www datasheet4u com ...

Page 23: ...bination to 10 megohms shunted by a few picofarads The reduction in input capacitance is the most important reason for using attenuator probes at high frequencies where capacitance is the major factor in loading down a circuit and distorting the signal When 10X attenuator probes are used the scale factor VOLTS DIV switch setting must be multiplied by ten Despite their high input impedance scope pr...

Page 24: ...triggering is the most elementary operating mode of the OS 5060A Use this mode when you wish to observe only a single signal and not be disturbed by other traces on the CRT Since this is fundamentally a two channel instrument you have a choice for your single channel Channel has an output terminal use channel 1 if you also want to measure frequency with a counter while observing the waveform Chann...

Page 25: ...sponding VARIABLE control knob PULL X 5 MAG switch 15 or 16 This produces 2 div sensitivity when the VOLTS DIV switch is set to 10 and 1 div when it is set to 5 mV However the channel bandwidth decreases to 20MHZ and the trace noise may become noticeable when this is done 6 If the signal you wish to observe is so high in frequency that even the 01 uS position of the A TIME DIV switch results in to...

Page 26: ...witch set to 2ms or faster Select CHOP for relatively low frequency signals A TIME DIV switch set to 5ms or slower 2 If both channels are displaying signals of the same frequency set the Trigger SOURCE switch 28 to the channel having the steepest slope waveform If the signals are different but harmonically related trigger from the channel carrying the lowest frequency Also remember that if you dis...

Page 27: ...FIGURE 2 3 USING THE TV SYNC SEPARATOR Free Datasheet http www datasheet4u com ...

Page 28: ...ot and complex signals of any frequency may not reliably trigger the timebase Therefore the usual practice is to leave the Trigger MODE switch 27 set to AUTO but reset it to NORM if any signal particularly on e below 25 Hz fails to produce a stable display The TV V and TV H positions of the Trigger MODE switch insert a TV sync separator into the trigger chain so a clean trigger signal at either th...

Page 29: ...of the LEVEL control on the displayed trace is shown in Figure 2 4c The o and panel markings for this control refer to the waveform s zero crossing and points more posivive and more negative than this If the trigger slope is very steep as with square waves or digital pulses there will be no apparent change in the displayed trace until the LEVEL control is rotated apast the most positive or most ne...

Page 30: ...FIGURE 2 4 TRIGGER SLOPE SELECTION Free Datasheet http www datasheet4u com ...

Page 31: ...ic sum of the CH1 and CH2 signal Either of both of the Vertical POSITION controls 17 and 18 can be used to shift the resultant trace NOTE If the input signals are in phase the amplitude of the resultant trace will be the arithmetic sum of the individual traces eg 4 2 div 1 2 div 5 4 div If the input signals are 180 out of phase the amplitude will be the difference eg 4 2 div 1 2 div 3 0 div 5 If t...

Page 32: ... signal to the CH2 or Y IN connector 10 and the horizontal signal to the CHI or X IN connector 9 Once the trace is deflected restore normal brightness 3 Adjust the trace height with the CH2 VOLTS DIV switch 14 and the trace width with the CH1 VOLTS DIV SWITCH 13 The PULL X5 MAG switches 15 and 16 on the VARIABLE controls can be used if greater is necessary so leave the TIME VARIABLE control 25 kno...

Page 33: ... HORIZ DISPLAY pushbutton 21 A B A section of the trzce s will brighten NOTE The intensified portion will be quite small if there is a large difference between the setting of the A and B TIME DIV switches 4 Turn the B TIME DIV switch 23 until the intensified portion of the trace widens to an amount equal to the portion of the trace you wish to magnify see Figure 2 5b 5 Turn the DELAY TIME POS cont...

Page 34: ...he additional time until the next available trigger The result is that actual delay time is variable only with step resolution in increments of the interval between triggers The maximum magnification possible by this technique is several thousand times CRT brightness being the limiting factor For triggered B sweep proceed as follows 1 Set up the scope for basic delayed sweep as described in the pr...

Page 35: ...FIGURE 2 5 SWEEP MAGNIFICATION BY THE B TIME BASE Free Datasheet http www datasheet4u com ...

Page 36: ...ope voltage measurement generally fall into one of two types peak to Peak or instantaneous peak to peak p p measurement simply notes the total amplitude Between extremes without regard to polarity reference Instantaneous voltage measure ment indicates the exact voltage from each every point on the waveform to a ground reference When making either type of measurement make sure that the VARIABLE con...

Page 37: ...VOLTS DIV switch setting to get the peak to peak voltage of the waveform For example if the VOLTS DIV switch were set to 2V the waveform shown in Figure 2 6 would be 8 0Vp p 4 0 div X 2V 6 If X5 vertical magnification is used divide the step 5 voltage by 5 to get the correct p p voltage However if 10X attenuator probes are used multiply the voltage by 10 get the correct p p voltage 7 If measuring ...

Page 38: ...FIGURE 2 6 PEAK TO PEAK VOLTAGE MEASUTEMENT FIGURE 2 7 INSTANTANEOUS VOLTAGE MEASUTEMENT Free Datasheet http www datasheet4u com ...

Page 39: ...ntil the measurement is completed 5 Flip the AC GND DC switch to DC The polarity of all points above the ground reference line is positive all points below the ground reference line are negative CAUTION Make certain the waveform is not riding on a high amplitude DC voltage before flipping the AC GND DC switch 6 Use the Horizontal POSITION control 26 to position any point of interest on the central...

Page 40: ...asurements made under this condition will be inaccurate 3 Use the Vertical POSITION control 17 or 18 to position the trace so the central horizontal graticule line passes through the points on the waveform between which you want to make the measurement 4 Use the Horizontal POSITION control 26 to set left most measurement point on a nearly vertical graticule line 5 Count the number of horizontal gr...

Page 41: ...er 1 5 divisions is a faster sweep speed for this particular measurement Increasing the sweep speed to 2ms div as in Figure 2 8 B gives a large display allowing more accurate measurement An alternative technique useful for pulses less than a division wide is to pull the A VARIABLE knob 25 for X10 magnification and reposition the pulse on screen with the Horizontal POSITION control 26 Pulse width i...

Page 42: ...able Frequency is the reciprocal of period Simply measure the period t of the unknown signal as instructed in 2 4 2 Time Interval Measurements and calculate the frequency f using the formula f 1 t If a calculator is available simply enter the period and press the 1 x key Period in seconds s yields frequency in Hertz Hz period in millisecond ms yields frequency in kilohertz kHz period in microsecon...

Page 43: ...FIGURE 2 8 TIME INTERVAL MEASUREMENT Free Datasheet http www datasheet4u com ...

Page 44: ...ure equal delay times 2 Position the Trigger SOURCE switch 28 to the channel with the cleanest and most stable trace Temporarily move the other channel s trace off the screen by means of it Vertical POSITION control 3 Center the stable trigger source trace with is Vertical POSITION control and adjust its amplitude to exactly 6 vertical divisions by means of is VOLTS DIV switch and VARIABLE control...

Page 45: ... measurements of small phase difference should be limited to below 50 kHz To measure phase difference by the Lissajous pattern method proceed as follow 1 Rotate the A TIME DIV switch fully clockwise to its X Y position CAUTION Reduce the trace intensity lest the undeflected spot damage the CRT phosphor 2 Make sure the CH2 POSITION PULL X 10 MAG knob 18 is pushed in This will introduce a 180 phase ...

Page 46: ...ded by 6 For exam ple the step 7 value of the Figure 2 11a pattern is 2 0 Dividing this by 6 yields 3334 whose arcsine is 19 5 9 The simple formula in Figure 2 11a works for angles less than 90 For angles over 90 leftward tilt add 90 to the angle flound in Step 7 Figure 2 10b shows the Lissajous patterns of various phase angle use this as a guide in determining whether or not to add the additional...

Page 47: ...tical Position control 17 4 Adjust the channel 1 VOLTS DIV switch 13 to make the positive pulse peak exceed the 100 graticule line and the negative pulse peak exceed the 0 line the rotate the VARIABLE control 15 counterclockwise until the positive and negative pulse peaks rest exactly on the 100 and 0 graticule lines See Figure 2 12 5 Use the Horizontal POSITION control 26 to shift the trace so th...

Page 48: ...e simply shift the trace horizontally until a trailing edge passes through the 10 and central vertical graticule lines and repeat Steps 7 and 8 10 When measuring the rise and fall time note that 5 8ns Rise time tr 0 35 f 3dB which is transition time is contained in the OS 5060A oneself Therefore the real transition time tc is composed of measure transistion time and tr The above all is explained w...

Page 49: ...FIGURE 2 11 RISETIME MEASUREMENT Free Datasheet http www datasheet4u com ...

Page 50: ...t remove the front Case and filter see Figure 3 1 Clean the filter and the CRT face if necessary by Wiping carefully with a soft cloth or commercial wiping tissue moistened with a mild cleaning agent Take care not to scratch them Do not use abrasive cleanser or strong solvents Let the cleaned parts air dry thoroughly before reinstalling the filter and front case If installed wet water rings may fo...

Page 51: ...4 DIAGRAMS 4 1 EXTERNAL VIEWS Free Datasheet http www datasheet4u com ...

Page 52: ...4 2 BLOCK DIAGRAMS Free Datasheet http www datasheet4u com ...

Page 53: ...The specifications are subjected to change without notice Free Datasheet http www datasheet4u com ...

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