Performance Tests 1
Keysight 53210A/53220A/53230A Assembly Level Service Guide 61
Counter setup
1 Connect the equipment as shown in Figure 1-7.
Figure 1-7 Time interval (channel 1 to 2) test setup
2 Press the Preset key to preset the counter.
–Display shows:
– Instrument has been preset.
– Ext Ref is shown in the upper right-hand corner of the display.
3 Press the Time Interval key.
– The following softkeys are displayed:
4 Press the Time Interval softkey.
Opt 010 U OCXO
Lin e
100-240V, 50-60 Hz
100-127V, 400 Hz
90VA Max
U S B LA N
Int R e f O ut T rig In
Ex t Ref In Gate In/O ut
Ch 1 O pt 20 1 Ch 2 GP -IB
Opt 106/115
IECS / NMB-001
N10149
ISM 1-A
C U S
Opt 106
100 M Hz - 6 GH z
+27 dBm M ax
!
Opt 300 Battery
Opt 115
300 M Hz - 15 GH z
+27 dBm Ma x
!
FS725
Rubidium
Timebase
Ext
Ref
In
81134A
Pulse
Generator
Ch 1 Ch 2
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