Keysight Technologies InfiniiVision 6000 X Series Service Manual

Contents

Testing Performance 26000 X-Series Oscilloscopes Service Guide 512 Set up the oscilloscope.a Press the [Default Setup] key.b Press the [Mode/Coupling] key; then, press the Mode softkey to select Normal.3 Change the signal generator output frequency to 100 MHz or 200 MHz.4 Set the power meter Cal Factor % to the appropriate value (100 MHz or200 MHz) on the calibration chart on the power sensor. If necessary, do a linearinterpolation if a 100 MHz or 200 MHz factor is not included in the powermeter’s calibration chart.5 Adjust the signal generator output for reading on the power meter of:6 Press the [Trigger] key, then press the Source softkey to set the trigger source toExternal.7 Check for stable triggering and adjust the trigger level if necessary. Triggeringis indicated by the Trig’d indicator at the top of the display. When Trig’d? isdisplayed, the oscilloscope is not triggered. When Trig’d is displayed (noquestion mark), the oscilloscope is triggered.8 Record the results as Pass or Fail in the Performance Test Record (seepage 52).If the test fails, see the “Troubleshooting” chapter. Then return here.Signal GeneratorFrequencyCalculation Power MeterReading100 MHz 40 mV pp = 14.14 mV rms, Power = Vin2 /50Ω =14.14 mV 2/50Ω4 μW200 MHz 70 mV pp = 24.75 mV rms, Power = Vin2 /50Ω =24.75 mV 2/50Ω12.25 μW100 MHz 200 mV pp = 70.71 mV rms, Power = Vin2 /50Ω =70.71 mV 2/50Ω100 μW200 MHz 350 mV pp = 123.74 mV rms, Power = Vin2 /50Ω =123.74 mV 2/50Ω306 μW