Appendix B: Performance Verification
DG2030 User Manual
BĆ9
The following steps check the clock frequency accuracy with the PLL circuit off
and the internal clock frequency set to 400 MHz, 200 kHz and 100.0 mHz.
12. Press the following buttons to turn the PLL circuit off.
Menu button
Bottom button
Pop up menu
Side button
Front panel
button
SETUP
Clock
PLL (Set to Off)
13. Set the internal clock frequency to 400 MHz, 200 kHz, and 100.0 mHz, and
confirm that the frequencies and periods measured by the frequency counter
fall within the ranges shown in Table B-4.
Table BĆ4: Internal clock frequency precision (PLL off)
Internal clock frequencies
Clock frequency ranges
400.0 MHz
388 MHz
412 MHz
200.0 kHz
194 kHz
206 kHz
100.0 mHz (10.0 s)
97 mHz
103 mHz
14. Press the START/STOP button on the front panel to stop output (the
button’s LED goes off).
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