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1 . 6   G H z 

U n i v e r s a l   C o u n t e r

H M 8 0 2 1 - 4

Handbuch / Manual / Manuel / Manual

Deutsch / English / Français / Español

 

99 Washington Street 
Melrose, MA 02176 
Phone 781-665-1400
Toll Free 1-800-517-8431

 

Visit us at www.TestEquipmentDepot.com

Содержание HM8021-4

Страница 1: ...r s a l C o u n t e r H M 8 0 2 1 4 Handbuch Manual Manuel Manual Deutsch English Fran ais Espa ol 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www Tes...

Страница 2: ...cable HZ72 from HAMEG is suitable 2 Signal cables Basically test leads for signal interconnection between test point and instrument should be as short as possible Without instruction in the manual fo...

Страница 3: ...rmation regarding CE marking 14 Universal Counter HM8021 4 16 Speci cations 17 Important hints 18 Safety 18 Used Symbols 18 Operating conditions 18 Warranty and repair 18 Maintenance 19 Operation of t...

Страница 4: ...put A Input impedance 1 M maximum sensitivity 20mVrms Input C Input impedance 50 maximum sensitivity 30mVrms Time interval resolution up to 10 ps Offset mode over the entire measurement range Gate inp...

Страница 5: ...ty normal triggering DC 80 MHz 20 mVrms sine wave 80 mV pulse 80 MHz 150 MHz 60 mVrms sine wave 20 Hz 80MHz auto trig 50 mVrms sine wave Minimum pulse width 5ns Input noise 100 V typ Coupling AC or DC...

Страница 6: ...t or discon nection of the protective earth terminal is likely to render the instrument dangerous Intentional interruption is prohibited The istrument must be disconnected and secured against unintent...

Страница 7: ...d rear frames After removal of the two screws at the rear of the module both chassis covers can be lifted When reclosing the module care should be taken that the guides engage correctly with the front...

Страница 8: ...ng will restart when Display Hold is switched off Display Hold starts and stops counting in the TOTALIZE function mode Function indicators LEDs Refer to Measuring functions Function pushbuttons The le...

Страница 9: ...led by an external source Triggering measuring and counting Power on test A practical test of the correct operation of the HM8021 4 is run automatically at power on As soon as power is applied the dis...

Страница 10: ...r level setting The input signal is triggered from 50mV up to the maximum input voltage of 5V The input frequency for the C input must always be in the range from 100MHz to 1000MHz For frequencies low...

Страница 11: ...ate time of 10sec Period measurement For measurement of the period duration the re ciprocal value of the frequency T 1 f is measured in seconds The signal is applied as for frequency measurement Time...

Страница 12: ...and DISPLAY HOLD should be in OFF position 2 Apply a frequency standard of 1 5 or 10MHz to input A and adjust channel A trigger setting for a stable reading 3 Depress RESET and then GATE TIME for appr...

Страница 13: ...the counter has recognized a 10MHz standard During the following 45 seconds the signal is measured and the HM8021 4 is recalibrated Finally the new calibrated unit automatically switches back to norm...

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