Hameg CombiScope HM1508-2 Manual
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Hameg CombiScope HM1508-2 Manual

150 mhz mixed signal
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Summary of Contents for Hameg CombiScope HM1508-2

  • Page 1 Complimentary Reference Material This PDF has been made available as a complimentary service for you to assist in evaluating this model for your testing requirements. TMG offers a wide range of test equipment solutions, from renting short to long term, buying refurbished and purchasing new. Financing options, such as Financial Rental, and Leasing are also available on application.
  • Page 3 1 5 0 M H z ® M i x e d S i g n a l C o m b i S c o p e H M 1 5 0 8 - 2 Manual English...

  • Page 4: General Information Regarding The Ce Marking

    3. Infl uence on measuring instruments HAMEG instruments fulfi ll the regulations of the EMC directive. The conformity test made by HAMEG is based on the actual generic- and Under the presence of strong high frequency electric or magnetic product standards. In cases where different limit values are applicable, fi...

  • Page 5: Table Of Contents

    C o n t e n t s General information regarding the CE marking AUTOSET 150 MHz Mixed Signal CombiScope ® HM1508-2 Component tester Specifi cations CombiScope DSO Operation Important hints DSO operating modes List of symbols used: Memory resolution Positioning the instrument Memory depth Safety...
  • Page 6 H M 1 5 0 8 - 2 1 5 0 M H z M i x e d S i g n a l ® C o m b i S c o p e w i t h F F T H M 1 5 0 8 - 2 DSO mode: 4-channel display of 2 analog...

  • Page 7: 150 Mhz Mixed Signal Combiscope ® Hm1508-2

    S p e c i f i c a t i o n s Horizontal Deflection Analog mode ® 150 MHz Mixed Signal CombiScope HM1508-2 Operating modes: A, ALT (alternating A/B), B Valid at 23 °C after a 30 minute warm-up period Time base A: 0.5 s/cm –...

  • Page 8: Important Hints

    PUOPF PUOPFGkT PUOPF INPUTS PUkTKl 15pF PUkTKl 15pF 400 Vp HAMEG 400 Vp PUOPFGkT PUkT Optional accessories: C O M B I S C O P E HO730 Dual-Interface Ethernet/USB, HO740 Interface IEEE-488 (GPIB), HZ70 Opto-Interface (with optical fiber cable)

  • Page 9: Proper Operation

    HAMEG directly. Also, after the warranty expired, i.e. with a galvanic connection to circuits corresponding to the the HAMEG service will be at your disposal for any repairs. categories II, III, or IV are prohibited! The measuring circuits are considered not connected to the Return material authorization (RMA): mains if a suitable isolation transformer fulfi...

  • Page 10: Description Of The Controls

    F r o n t P a n e l E l e m e n t s – B r i e f D e s c r i p t i o n VOLTS/DIV-SCALE-VAR (knob) Front Panel Elements – Brief Description Channel 2 Y defl...
  • Page 11 F r o n t P a n e l E l e m e n t s – B r i e f D e s c r i p t i o n ANALOG ANALOG SAVE/ FOCUS INTENS POWER POWER DIGITAL...

  • Page 12: Basic Signal Measurement

    B a s i c s i g n a l m e a s u r e m e n t Amplitude of signals Basic signal measurement In contrast to the general use of rms values in electrical engi- neering oscilloscopes are calibrated in Vpp as that is what is displayed.

  • Page 13: Dc And Ac Components Of An Input Signal

    B a s i c s i g n a l m e a s u r e m e n t of the capacitor. It may be assumed that this is negligible for frequencies >40 Hz. 100% Considering the foregoing you may measure DC signals of up to 400 V or pure AC signals of up to 800 V with a HZ200 5 cm...

  • Page 14: First Time Operation And Initial Adjustments

    At the scope input a feed through 50 Ω-termi- Prior to first time operation the connection between the instru- nation will be required. HAMEG offers a HZ22 termination. If ment and safety ground must be ensured, hence the plug must proper terminations are not used, sizeable pulse aberrations be inserted first.

  • Page 15: Mhz Adjustment

    Remark: Any reference to ”both channels“ always refers to 1 MHz adjustment channels 1 and 2. The HAMEG probes feature additional adjustments in the Usually oscilloscopes are used in the Yt mode. In analog mode compensation box which allow you to optimise their hf be- the amplitude of the measuring signal will defl...

  • Page 16: Xy Operation

    O p e r a t i n g m o d e s o f t h e v e r t i c a l a m p l i f i e r they are within the permissible input signal range; this is the Please note: case if they can be displayed in these modes.

  • Page 17: Measurement Of Amplitude Modulation

    T r i g g e r i n g a n d t i m e b a s e Very small phase differences with moderately high frequencies Set the scope controls as follows in order to display the picture may yield better results with Lissajous fi...

  • Page 18: Normal Trigger Mode (See Menu Mode)

    T r i g g e r i n g a n d t i m e b a s e elapsed even without any input signal. Thus there is always of the vertical position. A positive slope may exist also in the a visible trace in analog or digital mode.

  • Page 19: Frame Sync Pulse Triggering

    T r i g g e r i n g a n d t i m e b a s e Frame sync pulse triggering Alternate trigger Remark: This mode (only available in analog mode) is selected with Using frame sync triggering in dual trace chopped mode SOURCE >Alt.

  • Page 20: Time Base B (2Nd Time Base). Delaying, Delayed Sweep. Analog Mode

    T r i g g e r i n g a n d t i m e b a s e After the time base has deflected the trace from left to right, does continuously deflect the trace vertically, but this will be the trace will be blanked so the retrace is invisible.

  • Page 21: Autoset

    C o m p o n e n t T e s t e r AUTOSET Component Tester For specifi c information consult ”Controls and Readout“ AU- Specifi c information can be found in ”Controls and Readout“ un- TOSET der COMPONENT/PROBE and COMPONENT TESTER The following description is valid for both analog and digital The scope has a built in component tester.
  • Page 22 C o m p o n e n t T e s t e r is a npn or pnp transistor or which end of a diode is the cathode. Please note that reversing the test leads will also invert the picture, i.e.

  • Page 23: Combiscope

    2 points per centimeter; in other words: the useful signal frequency is only 1/10 to 1/20 at best. HAMEG oscilloscopes are either analog or they are Combi- Scopes, i.e. they contain a complete analog scope and the –...

  • Page 24: Dso Operation

    Signals with a repetition rate lower than the rep The foregoing explains why it is HAMEG policy to offer Combi- rate of the automatic triggering can not properly trigger so the scopes rather than pure digital oscilloscopes which combine resulting display will be untriggered.

  • Page 25: Memory Depth

    C o m b i S c o b e Display of aliases Horizontal resolution: A maximum of 4 simultaneous signal displays may be shown on the screen. Each signal display will consist of 2048 points As explained the maximum sampling rate must be reduced for (bytes).

  • Page 26: Data Transfer

    STOP If the safety rules are disregarded any damage to HAMEG products will void the warranty. Neither will HAMEG take any responsibility for damages to people or equipment of other makes.

  • Page 27: General Information Concerning Menu

    G e n e r a l i n f o r m a t i o n c o n c e r n i n g M E N U INTENS POWER POWER Pushbutton CH I MENU Menu Title AC/DC/50 Ω...

  • Page 28: Controls And Readout

    (e.g. ΔV(CH2):16.6 mV). If a variable control was activated, the After turning the scope on and the warm up time of the crt heater has elapsed, the HAMEG logo, the instrument type and readout will indicate this by replacing the ”:“ by a ”>“.
  • Page 29 C o n t r o l s a n d R e a d o u t ANALOG ANALOG SAVE/ FOCUS INTENS POWER POWER RECALL TRACE DIGITAL MATH AUTOSET DIGITAL MIXED SIGNAL OSCILLOSCOPE MENU HM1508-2 RUN / STOP ACQUIRE SETTINGS HELP ·...
  • Page 30 C o n t r o l s a n d R e a d o u t ANALOG ANALOG SAVE/ FOCUS INTENS POWER POWER DIGITAL MATH RECALL AUTOSET TRACE DIGITAL MIXED SIGNAL OSCILLOSCOPE MENU HM1508-2 RUN / STOP ACQUIRE SETTINGS HELP H I MENU...
  • Page 31 C o n t r o l s a n d R e a d o u t 7.2.4 Operand 2 A trigger will start a new acquisition which will overwrite the This operand can only be chosen if the function ADD(ition), display of the former.
  • Page 32 C o n t r o l s a n d R e a d o u t ANALOG ANALOG SAVE/ FOCUS INTENS POWER POWER DIGITAL MATH RECALL AUTOSET TRACE DIGITAL MIXED SIGNAL OSCILLOSCOPE MENU HM1508-2 RUN / STOP ACQUIRE SETTINGS HELP H I MENU...
  • Page 33 9.2.1 Reference Save leads to the following 3 submenus: 10.2.3 Quick Start On Off In off, the HAMEG logo, the type and the version number will not 9.2.1.1 Source (Reference) be shown, the instrument will be ready immediately. The “Source“ from which the signal - to be stored in a reference memory - originates can be selected by the INTENS knob 10.2.4 Menu Off time...
  • Page 34 C o n t r o l s a n d R e a d o u t ANALOG ANALOG SAVE/ FOCUS INTENS POWER POWER DIGITAL MATH RECALL AUTOSET TRACE DIGITAL MIXED SIGNAL OSCILLOSCOPE MENU HM1508-2 RUN / STOP ACQUIRE SETTINGS HELP H I MENU...
  • Page 35 C o n t r o l s a n d R e a d o u t 13.1.5 Y position of 2nd time base B (analog mode). CH 1/2 POSITION 1 POSITION 2 The POSITION 1 control will assume the function of Y position CURSOR control of the signal displayed by time base B in alternate time base mode after the following procedure.
  • Page 36 C o n t r o l s a n d R e a d o u t Note: CH 1/2 POSITION 1 POSITION 2 The function Cur. Track (cursor tracking) is only CURSOR available if 2 cursors are on display. The cursors will then be moved simultaneously (tracking) STOP without changing their respective positions.
  • Page 37 C o n t r o l s a n d R e a d o u t readout will show the sensitivity (e.g. ”CH2:5mV..“). Depending least show spectrum displays spectra that do not exist in reality. on the sensitivity the signal will be displayed with smaller or If the sampling rate is too low the readout displays “ALS“;...
  • Page 38 C o n t r o l s a n d R e a d o u t In normal trigger mode the LEVEL control will move the trigger LEVEL A/B HORIZONTAL symbol anywhere. In automatic peak triggering mode (automatic X-POS trigger (AUTO) in combination with AC trigger coupling), the level FFT-...
  • Page 39 C o n t r o l s a n d R e a d o u t tomatic time base start will be disabled. Hence if there is not 21.1.2 Slope sufficient trigger signal, the screen will remain dark in analog ”SLOPE“...
  • Page 40 C o n t r o l s a n d R e a d o u t rent time relationships between the two signals on the screen are LEVEL A/B HORIZONTAL meaningless and misleading, the relative position of the two signals X-POS depends only on their shape and the trigger level selected.
  • Page 41 C o n t r o l s a n d R e a d o u t CH 1 CH 2 VERT/XY CH 3/4 MENU MENU CH 1 INPUTS CH 2 CH 3 LOGIC CH 4 1MΩII15pF INPUTS X-INP 1MΩII15pF 400 Vp 100 Vp...
  • Page 42 C o n t r o l s a n d R e a d o u t 28.1 Analog mode The Zoom time base speed will be indicated in the readout ”Z:...“ and is calibrated. Turning the knob CCW will decrease, turning 28.1.1 Time base A time/cm selection it CW will increase the time base speed.
  • Page 43 C o n t r o l s a n d R e a d o u t CH 1 CH 2 VERT/XY CH 3/4 MENU MENU CH 1 INPUTS CH 2 CH 3 LOGIC CH 4 1MΩII15pF INPUTS X-INP 1MΩII15pF 400 Vp 100 Vp...
  • Page 44 C o n t r o l s a n d R e a d o u t CH 1 CH 2 VERT/XY CH 3/4 MENU MENU CH 1 INPUTS CH 2 CH 3 LOGIC CH 4 1MΩII15pF INPUTS X-INP 1MΩII15pF 400 Vp 100 Vp...
  • Page 45 This refers to unmagnified time bases. 31.4.1 If a HAMEG probe with automatic identifi cation is connec- Alternate is the preferred mode, at any time one channel is dis- ted, the readout shows “Probe“ in normal intensity and below played for a full sweep, after each sweep the other channel has the dividing factor (e.g.
  • Page 46 C o n t r o l s a n d R e a d o u t CH 1 CH 2 VERT/XY CH 3/4 MENU MENU CH 1 INPUTS CH 2 CH 3 LOGIC CH 4 1MΩII15pF INPUTS X-INP 1MΩII15pF 400 Vp 100 Vp...
  • Page 47 36.1.2 If ”External“ triggering was not selected the menu ”Z 33.4.1 If a HAMEG probe with automatic identifi cation is connec- Input“ will open up. If ”Off“ is chosen CH4 has no function. If ted, the readout shows “Probe“ in normal intensity and below ”On“...
  • Page 48 The Nyquist frequency is the highest frequency a real time digital oscilloscope can measure without 36.2.4.1 If a HAMEG probe with automatic identifi cation is aliasing. This frequency is half the sampling frequency (sam- connected, the readout shows “Probe“ in normal intensity and pling rate).
  • Page 49 C o n t r o l s a n d R e a d o u t MENU MENU COMP . PROBE Stick TESTER C O M B I S C O P E On condition scale (X expansion), only a fraction of the spectrum In this mode only a shorter trace, “Component Tester“...
  • Page 50 C o n t r o l s a n d R e a d o u t MENU MENU COMP . PROBE Stick TESTER C O M B I S C O P E Press the “Recall“ function key to copy the selected signal (wave) into the selected oscilloscope reference memory.
  • Page 51 C o n t r o l s a n d R e a d o u t Subject to change without notice...
  • Page 52 50 Subject to change without notice...
  • Page 53 Subject to change without notice...
  • Page 54 . h a m e g . c o m Subject to change without notice 41-1508-02E1 (5) 11082008-gw HAMEG Instruments GmbH © HAMEG Instruments GmbH Industriestraße 6 A Rohde & Schwarz Company D-63533 Mainhausen ® registered trademark Tel +49 (0) 61 82 800-0 DQS-Certifi...

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