![ADVANTEST R3755 Series Скачать руководство пользователя страница 90](http://html.mh-extra.com/html/advantest/r3755-series/r3755-series_operation-manual_2858773090.webp)
6.2
Frequency Reference Adjustment (R3760 with OPT20)
6-2
6.2
Frequency Reference Adjustment (R3760 with OPT20)
Testing procedure
1.
Setup the R3760 as shown in the figure below.
To counter input
Figure 6-2 Frequency Reference Adjustment (R3760 with OPT20)
2.
Set the R3760 as follows.
Center frequency
: 1 GHz
Span
: 0 MHz
Sweep mode
: SINGLE
Output level
: 0 dBm
3.
Adjust the STD ADJ volume so that the counter-read frequency is within the fol-
lowing range:
Adjustment range:
999 999 200 Hz to 1000 000 800 Hz (<
±
0.8 ppm)
STD ADJ
volume