Rohde & Schwarz HAMEG HM1508-2 Manual
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Rohde & Schwarz HAMEG HM1508-2 Manual

150 mhz mixed signal combiscope
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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

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Summary of Contents for Rohde & Schwarz HAMEG HM1508-2

  • Page 1 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 2: General Information Regarding The Ce Marking

    G e n e r a l i n f o r m a t i o n r e g a r d i n g t h e C E m a r k i n g Hersteller HAMEG Instruments GmbH KONFORMITÄTSERKLÄRUNG Manufacturer...

  • Page 3: 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 4 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 H M 1 5 0 8 - 2 DSO mode: 4-channel display of 2 analog and 2 logic signals...

  • Page 5: 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 All data valid at 23 °C after 30 minute warm-up Time base A: 50 ns/div.…0.5 s/div.

  • Page 6: Important Hints

    I m p o r t a n t h i n t s Resolution Readout/Cursor: 1000 x 2000 Pts, Signals: 250 x 2000 Interfaces (plug-in): USB/RS-232 (HO720) Optional: IEEE-488, Ethernet/USB Mathematic functions Number of Formula Sets: 5 with 5 formulas each Sources: CH 1, CH 2, Math 1–Math 5 Targets:...

  • Page 7: Proper Operation

    I m p o r t a n t h i n t s Most electron tubes generate X-rays; the ion dose rate of this in- rate in dusty or chemically aggressive atmosphere or if there strument remains well below the 36 pA/kg permitted by law. is danger of explosion.

  • Page 8: 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 9 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 10: 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 11: 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 12: First Time Operation And Initial Adjustments

    F i r s t t i m e o p e r a t i o n a n d i n i t i a l a d j u s t m e n t s If no probe is used at least screened cable should be used, First time operation and initial adjustments such as HZ32 or HZ34.

  • Page 13: Mhz Adjustment

    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 Connect the 10:1 probe to the input. Use DC coupling. Set Operating modes of the vertical amplifi...

  • Page 14: 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 15: 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 16: 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 17: 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 18: 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 19: 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 20 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 21: Combiscope

    C o m b i S c o p e than the signal frequency and gives grossly erroneous re- CombiScope ® sults. In practice, therefore, only frequencies 1/10 or less of the sampling frequency can be reliably displayed. The meaning of the Nyquist theorem is mostly misunderstood: if the sampling frequency is only twice the signal frequency The oscilloscope HM1508-2 combines two oscilloscopes in there will only be two points displayed on the screen: any...

  • Page 22: Dso Operation

    C o m b i S c o p e requires the (not necessarily periodic) repetition of the signal in Yt mode: invariant shape for e.g. millions of periods, it is unsuitable for Roll: readout ”rol“ the capture of single events. Equivalent time sampling cannot display the rising portion of a signal without a delay line.

  • Page 23: 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 24: Data Transfer

    D a t a t r a n s f e r a pc requires a 9 pole screened cable (1:1) of 3 m maximum Data transfer length. The pinout is as follows: no. Function Tx date from scope to external device Rx data from external device to scope The oscilloscope has three interfaces.

  • Page 25: 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 26: Controls And Readout

    C o n t r o l s a n d R e a d o u t Depending on the mode (Yt or XY, analog or digital mode) dif- Controls and Readout ferent cursor measure functions can be chosen is this menu, regarding the cursor lines and their direction.
  • Page 27 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 28 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 29 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 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 SETTINGS the page chosen is indicated by intensifi ed brightness. Page 1 offers the memories 1 to 5 and page 2 the memories 6 to 9. The instrument is set to the settings (parameter) recalled from Pressing this pushbutton calls the SETTINGS menu.
  • 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 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 34 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 35 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 36 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 37 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 38 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 39 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 40 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 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 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 43 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 VERT/XY (pushbutton) 31.2 Ground (GND) On Off The pushbutton will either connect the amplifier to the signal This pushbutton switches the ”vertical“...
  • 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 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 33.4 Probe 36.1 Analog mode CH3 has no function in analog mode. The menu display depends on whether a probe with automatical 36.1.1 CH4 is the external trigger input.
  • 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 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 48 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 49 C o n t r o l s a n d R e a d o u t Subject to change without notice...
  • Page 50 50 Subject to change without notice...
  • Page 51 Subject to change without notice...
  • Page 52 Oscilloscopes Spectrum Analyzer Power Supplies Modular System Series 8000 Programmable Instruments Series 8100 authorized dealer w w w . h a m e g . c o m Subject to change without notice HAMEG Instruments GmbH 41-1508-02E1 (8) 18112009-gw Industriestraße 6 ©...

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