Hameg HM303-6, Manual

Page 1: ...O s c i l l o s c o p e H M 3 0 3 6 Manual English...

Page 2: ...lifiers 12 X Y Operation 13 Phase comparison with Lissajous figures 13 Phase difference measurement 13 in DUAL mode 13 Phase difference measurement in DUAL mode 14 Measurement of an amplitude modulati...

Page 3: ...effected by such fields Although the interior of the oscilloscope is screened by the cabinet direct radiation can occur via the CRT gap As the bandwidth of each amplifier stage is higher than the tot...

Page 4: ...oise Amplifiers Time Base 0 2 s 100 ns cm with X Magnification to 10 ns cm Triggering from 0 to 50 MHz from 5 mm signal level 100 MHz 8 mm Analog mode provides unexcelled signal presentation at high r...

Page 5: ...1 s div 1 2 5 Sequence Accuracy 3 Variabel uncalibrated 2 5 1 to 0 5 s div X Magnification x 10 up to 10 ns div Accuracy 5 Hold Off Time variable to approx 10 1 XY Bandwidth X Amplifier 0 2 5 MHz 3 d...

Page 6: ...Without pulling the locking knobs 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...

Page 7: ...e atmosphere or if there is danger of explosion The operating position may be any however sufficient ventilation mustbeensured convectioncooling Prolongedoperationrequires the horizontal or inclined p...

Page 8: ...83 times the potential difference in Vpp The relationship between the different voltage magnitudes can be seen from the following figure Voltage values of a sine curve Vrms effective value Vp simple p...

Page 9: ...frequency Depending on the time base setting of the TIME DIV switch one or several signal periods or only a part of a period can be displayed The time coefficients are stated in s div ms div and s div...

Page 10: ...d The attenuator switch must then be turned back to the left until the vertical signal height is only 3 8div With a signal amplitude greater than 160Vpp an attenuator probe must be inserted before the...

Page 11: ...be visible after a short warm up period of approx 10 seconds Adjust Y POS I and X POS controls to center the baseline Adjust INTENS intensity and FOCUS controls for medium brightness and optimum sharp...

Page 12: ...is slightly more difficult but causes a better result The rising edge should be as steep as possible with a pulse top remaining as straight and horizontal as possible After completion of the HF adjus...

Page 13: ...uite simple with the following formula and a pocket calculator with trigonometric functions Apart from the reading accuracy the signal height has no influence on the result The following must be noted...

Page 14: ...tion F 1 MHz f 1 kHz m 50 UT 28 3 mVrms If the two values a and b are read from the screen the modulation factor is calculated from where a UT 1 m and b UT 1 m The variable controls for amplitude and...

Page 15: ...a positive potential That has nothing to do with zero or ground potential and absolute voltage values The positive slope may also lie in a negative part of a signal A falling edge sign triggers when...

Page 16: ...ossible in this trigger mode External triggering The internal triggering is disconnected by depressing the TRIG EXT button The time base can be triggered externally via the TRIG EXT socket using a 0 3...

Page 17: ...are required The test leads are connected to the insulated socket and the adjacent ground socket beneath the screen The component can be connected to the test leads either way round After use to retu...

Page 18: ...can be identified by comparison with a known diode Testing Transistors Three different tests can be made to transistors base emitter base collector and emitter collector The resulting test patterns ar...

Page 19: ...soldered This terminal should then be connected to the insulated COMP TESTER socket avoiding hum distortion of the test pattern Another way is a test pattern comparison to an identical circuit which i...

Page 20: ...II display SLOPE Selects the slope of the trigger signal Element Function SLOPE rising edge pushbutton switch falling edge TR LED lights if sweep is triggered LED LEVEL Adjustment of trigger level kno...

Page 21: ...ast 2 5 fold For time measurements turn to right hand stop Element Function XY Selects X Y operation pushbutton switch stops sweep X signal via CH I Attention Phosphor burn in without signal TRIG EXT...

Page 22: ...ggering TRIG EXT pushbutton depressed sync signal 0 3Vpp to 3Vpp to TRIG EXT socket Line triggering normal triggering AT NM and ALT pushbuttons depressed Select trigger coupling with TRIG MODE selecto...

Page 23: ...M A N U A L H A N D B U C H M A N U E L...

Page 24: ...stra e 6 A Rohde Schwarz Company D 63533 Mainhausen registrierte Marke Tel 49 0 61 82 800 0 DQS Zerti kation DIN EN ISO 9001 2000 Fax 49 0 61 82 800 100 Reg Nr 071040 QM sales hameg de Oscilloscopes S...