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1 5 0 M H z

A n a l o g O s c i l l o s c o p e

H M 1 5 0 0 - 2

Manual

English

99 Washington Street
Melrose, MA 02176
Fax 781-665-0780
TestEquipmentDepot.com

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Summary of Contents for HM1500-2

Page 1: ...1 5 0 M H z A n a l o g O s c i l l o s c o p e H M 1 5 0 0 2 Manual English 99 Washington Street Melrose MA 02176 Fax 781 665 0780 TestEquipmentDepot com ...

Page 2: ... 91 263 EWG 92 31 EEC Directive EMC 89 336 CEE amendée par 91 263 EWG 92 31 CEE Niederspannungsrichtlinie 73 23 EWG ergänzt durch 93 68 EWG Low Voltage Equipment Directive 73 23 EEC amended by 93 68 EEC Directive des equipements basse tension 73 23 CEE amendée par 93 68 CEE Angewendete harmonisierte Normen Harmonized standards applied Normes harmonisées utilisées Sicherheit Safety Sécurité EN 6101...

Page 3: ...12 Trace rotation TR 12 Probe adjustment and use 12 1 kHz adjustment 12 1 MHz adjustment 13 Operating modes of the vertical ampliﬁer 13 XY operation 14 Phase measurements with Lissajous ﬁgures 14 Measurement of phase differences in dual channel Yt mode 14 Measurement of amplitude modulation 15 Triggering and time base 16 Automatic peak triggering MODE menu 16 Normal trigger mode See menu MODE 16 S...

Page 4: ... 60 and 625 50 standard 200 MHz 6 Digit Frequency Counter Cursor and Automatic Measurement 14 kV high writing speed CRT Readout Autoset Delay Line no Fan Save Recall Memories for instrument settings Help Function Multilingual Menu 1 5 0 M H z A n a l o g O s c i l l o s c o p e H M 1 5 0 0 2 Lissajous Figure XY Mode 199 994 MHz Sine Wave Signal measured with internal frequency counter Excellent dy...

Page 5: ...m to 10 cm Horizontal Deflection Operating modes A ALT alternating A B B Time base A 0 5 s cm 50 ns cm 1 2 5 sequence Time base B 20 ms cm 50 ns cm 1 2 5 sequence Accuracy A and B 3 X Magnification x10 to 5 ns cm Accuracy X x10 5 Variable time base A B cont 1 2 5 Hold Off time var 1 10 LED Indication Bandwidth X Amplifier 0 3 MHz 3 dB XY phase shift 3 220 kHz Operation Measuring Interfaces Operati...

Page 6: ...obs they will latch in into the next locking position Handle mounting dismounting The handle can be removed by pulling it out further depending on the instrument model in position B or F Safety The instrument fulﬁls the VDE 0411 part 1 regulations for elec trical measuring control and laboratory instruments and was manufactured and tested accordingly It left the factory in perfect safe condition H...

Page 7: ...osition may be any however sufﬁcient ventila tion must be ensured convection cooling Prolonged operation requires the horizontal or inclined position STOP Do not obstruct the ventilation holes Speciﬁcations are valid after a 20 minute warm up period between 15 and 30 degr C Speciﬁcations without tolerances are average values Warranty and repair HAMEG instruments are subjected to a rigorous quality...

Page 8: ...rigger ﬁlter coupling noise reject and trigger slope menu 18 SOURCE pushbutton 29 Calls trigger source menu e g CH1 CH2 Alt 1 2 External AC Line 19 TRIG d LED 29 Lit on condition that trigger signals meets trigger conditi ons 20 NORM LED 29 Lit on condition that NORMAL triggering is present 21 HOLD OFF LED 30 Lit if a hold off time 0 is chosen in time base menu HOR pushbutton 26 22 X POS DELAY pus...

Page 9: ...R VAR x10 FOCUS TRACE VOLTS DIV VAR VOLTS DIV VAR TIME DIV VAR X POS INTENS LEVEL A B MENU AUX AUXILIARY INPUT HORIZONTAL INPUTS 1MΩII15pF max 400 Vp CAT I CAT I DELAY TRACE SEP CH1 2 CURSOR SAVE RECALL AUTOSET SETTINGS HELP POSITION 1 POSITION 2 VERT XY HM1000 2 ANALOG OSCILLOSCOPE 100MHz TRIGGER MODE FILTER SOURCE TRIG d NORM HOLDOFF AUTO MEASURE CURSOR MEASURE TRIG EXT Z INP CH 1 CH 2 X INP CH1...

Page 10: ... coupling was chosen stands for DC stands for AC Amplitude of signals In contrast to the general use of rms values in electrical en gineering oscilloscopes are calibrated in Vpp as that is what is displayed To derive rms from Vpp divide by 2 84 To derive Vpp from rms multiply by 2 84 Values of a sine wave signal Vrms rms value Vpp pp value Vmom momentary value depends on time vs period The minimum...

Page 11: ... time seen tosc is the scope s own rise time 2 3 ns with the HM1500 2 tt is the rise time of the probe e g 2 ns If the signal s rise time is 22 ns the rise times of scope and probe may be neglected For the measurement of rise times proceed mainly as outlined above however rise times may be measured anywhere on the screen It is mandatory that the rising portion of the signal be measured in full and...

Page 12: ...und so ground loops may exist Also most instruments will have capacitors between line and safety ground installed which conduct current from the live wire into the safety ground First time operation and initial adjustments Prior to ﬁrst time operation the connection between the instru ment and safety ground must be ensured hence the plug must be inserted ﬁrst Use the red POWER pushbutton to turn t...

Page 13: ...fore please observe the following rule Always look at the two signals in the one channel only or the dual modes not in ADD mode and make sure that they are within the permissible input signal range this is the Prior to adjustment make sure that the trace rotation adjust ment has been performed Connect the 10 1 probe to the input Use DC coupling Set the VOLTS DIV knob for a signal height of 4 cm an...

Page 14: ...f the phase angle between the X and Y signals af ter reading a and b off the screen is possible using the following formulas and a pocket calculator with trigonometric functions This calculation is independent of the signal amplitudes Please note As the trigonometric functions are periodic limit the cal culation to angles 90 degrees This is where this function is most useful Do not use too high fr...

Page 15: ...quency m modulation degree 1 v100 In addition to the carrier a lower side band F f and an upper side band F f will be generated by the modulation Picture 1 Amplitudes and frequencies with AM m 50 of the spectra As long as the frequencies involved remain within the scope s bandwidth the amplitude modulated hf can be displayed Pre ferably the time base is adjusted so that several signal periods will...

Page 16: ... amplitude This means that even if the signal is decreased the trigger will follow the display will not loose trigger As an example the duty cycle of a square wave may change between 1 1 and 100 1 without loosing the trigger Depending on the signal the LEVEL A B control may have to be set to one of its extreme positions The simplicity of this mode recommends it for most uncompli cated signals It i...

Page 17: ...possible to select a line number LINE No In order to display single lines a time base setting of TIME DIV 10 μs cm is recommended this will show 1 lines In general the composite video signal contains a high dc component which can be removed by ac coupling provided the picture is steady Use the POSITION control to keep the display within the screen If the video content changes such as with a regula...

Page 18: ...is is also handy with burst signals or non periodic pulse trains A signal may be corrupted by noise or hf interference so a double display will appear Sometimes varying the trigger level cannot prevent the double display but will only affect the apparent time relationship between two signals Here the variable hold off time will help to arrive at a single display Sometimes a double display will app...

Page 19: ...se is operating In order to obtain a visible display it may be necessary to change the time base and V DIV settings Depending on the duty cycle and the frequency the signal may still remain invisible which can be varied such that TB A functions as a precision time delay generator Depending on the amplitude of the com parison voltage a signal is generated anywhere between sweep start and end In one...

Page 20: ... impedance high capacitance or low inductance A slanted ellipse will indicate a lossy capacitor or induc tor Semiconductors will show their diode characteristics however only 20 Vpp are available so the forward and reverse characte ristics can only be displayed up to 10 Vp in each direction The test is a two terminal test hence it is not possible to measure e g the current gain of a transistor One...

Page 21: ...the oscilloscope is equipped with the interface HO710 the scope ﬁrmware can be updated via the interface The RS232 interface has the usual 9 pole D Sub connector The scope can be remotely controlled via this bidirectional interface and its settings may be transferred from or to an external de vice e g PC As this is an analogue oscilloscope signal data are not available and therefore cannot be tran...

Page 22: ...tion keys indicating that pressing the function key opens a submenu If pushbutton or rotary knob operation is meaningless it will not cause a menu display STOP Please note If a menu is shown some other information dis played in the readout may disappear this will reappear immediately upon leaving the menu Each menu is assisted by HELP texts which can be called by pressing the HELP 8 and which will...

Page 23: ...readout Readout On Off Turning the readout off will eliminate interference of the readout with the signal s The knob symbol will blink as long as the readout is off Only menus and help texts will be shown Trace rotation Trace rotation see TR After turn on the readout will always be on 4 CURSOR MEASURE pushbutton If the cursors have been switched off pressing the CURSOR MEASURE pushbuttones the cur...

Page 24: ...tance between the two long CURSOR lines must be set to one peri od If the distance between the reference line and the short CURSOR line equals 1 5 periods 3 π will be displayed If the short cursor line is to the left of the reference line a negative sign will be shown 4 3 Respect It may be necessary to determine for which signal channel the CURSOR measurements are valid This is done by showing the...

Page 25: ...various functions which depend upon the operating mode the functions selected with the CH1 2 CURSOR TRACE SEP pushbutton 11 and the menu option selected 9 1 Y position 9 1 1 Y position CH1 POSITION 1 will set the Y position of CH1 provided there is YT mode and the pushbutton CH1 2 CURSOR TRACE SEP pushbutton 11 is not illuminated 9 1 2 Y position of 2nd time base B TRACE SEP channel 1 and channel ...

Page 26: ...rated and the VOLTS DIV VAR knob 13 switches in 1 2 5 sequence 14 AUTO MEASURE pushbutton In XY mode AUTO MEASURE can not be called If the AUTO MEASURE function is switched off pressing this pushbuttones it on and displays the measuring results in the 9 3 CURSOR position The POSITION 1 control will function as Y position control of the cursors with CURSOR display on after pressing the CH1 2 CURSOR...

Page 27: ...ing Type If this function is activated the INTENS knob 2 can be used for measurement selection In most cases the corresponding unit will be automatically displayed The measuring modes are self explanatory 14 2 Respect Tr The Respect Tr display is just a reminder indicating that the trigger signal is used for measurement The assigned function key has no effect 14 3 Off Pressing the function key Off...

Page 28: ...t the graticule Depending on the time base mode the LEVEL control will affect thetimebaseAorBtriggering PresstheHORVARpushbutton 26 in order to select the time base mode in the Time base menu In Search mode alternate time base mode the last trigger level setting for time base A will remain valid graticule left if time base B is switched to triggered mode Menu Time base set B trigger to positive or...

Page 29: ...ls on the screen are meaningless and misleading the relative position of the two signals depends only on their shape and the trigger level selected In dual channel mode DUAL alternate triggering is only pos sible in conjunction with alternate dual channel operation If previously dual trace chopped mode was selected VERT XY 28 pushbutton DUAL chop it will be automatically changed to alternate mode ...

Page 30: ...A speed With the MAG x10 pushbutton the by pressing MODE 16 The light points out that the screen will remain dark as long as there is no sufﬁcient trigger signal 21 HOLD OFF display This display will light up if the hold off time was set to 0 in order to indicate that the longer than minimum hold off time may cause a lower rep rate of the time base and thus a darker display Setting the hold off ti...

Page 31: ...age that any jitter is removed but the delay time adjustment will now only have the effect that the time base B display will jump from signal period to period if several periods are displayed In this setting a positive slope will trigger The trigger LEVEL A B 15 knob will set the trigger level for B Only normal triggering and DC coupling are possible All parameters of time base A remain stored and...

Page 32: ...hey are both visible at any sweep speed This is ho wever notappropriateforfastsweepspeedsastheswitchingmay become visible and may interfere with the proper signal display 26 7 A variable On Off If On was selected the TIME DIV VAR knob 24 will function as variable control for the time base A speed Only in time base A only mode this option will be available in the menu For a full description see 24 ...

Page 33: ...width Full Full bandwidth will be the one given in the speciﬁcations 20 MHz Provided measuring modes allow full bandwidth i e 5 mV cm this can be reduced to 20 MHz 3 dB in order to attenuate high frequency noise e g The readout will show BWL bandwidth limited The bandwidth limitation affects both channels 29 CH2 VAR pushbutton This pushbutton opens the CH2 menu which offers the following options 2...

Page 34: ...st manually selected dividing ratio the INTENS knob 2 symbol Pressing the allocated function key causes Probe to be displayed intensiﬁed and the FOCUS TRACE MENU push button illuminated The INTENS knob 2 then can be used for manual selecting the dividing ratio of the applied probe If no probe is applied 1 should be selected 30 INPUT CH1 BNC connector This is the CH1 signal input connector In Yt mo...

Page 35: ...nent Tester Choosing Off will return the instrument to all former set tings 35 2 Calibrator 1kHz 1MHz Depending on the setting the square wave signal frequency at the PROBE ADJ socket is 1 kHz or 1 MHz 35 3 Info This function key opens the submenu Utilities Information It contains information about model software hardware and interface if ﬁtted 36 COMPONENT TESTER sockets Both 4 mm diameter socket...

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