User`s guide
Low Frequency Modulation Tool
Overview
The Low Frequency Modulation Tool is useful for power-up testing of PLL circuits or measuring low
frequency jitter problems (<20kHz), both synchronously and asynchronously, with either the AUTO ARM
or EXTERNAL ARM modes being enabled.
Making a Measurement
Setup Directions
• Verify the proper input signal levels
• Connect the source to any input and verify that the proper channel is chosen in the dialog bar menu.
• Press the Single Acquire button
or press the Run/Cycle button allowing the instrument to
accumulate a continuous series of measurements.
• Press the Single Acquire button
or the Stop button to stop the cycling process.
Connect to IN of any channel.
Device
Under
Test
©
WAVECREST Corporation 2005
Section 4 - GigaView
91










