Agilent Technologies 8560E User Manual page 139

Video bandwidth
Gate
Gate delay
Gate length
Gate control
Gate polarity
Oscilloscope: Agilent 54503A or equivalent with 3 or more input
channels
Instrument Connections
Timebase
Display
Number of screens
Persistence
Channel 1
Channel 2
Channel 3
Channel 4
Trigger
System control
Measurement Results
Without time-gating, the signals appear as shown in Figure 2-70.
Chapter 2
3 kHz
OFF (Press , then
SWEEP
underlined.)
2 ms (Press
GATE DLY [ ]
a 2, then press .)
ms
1ms (Press
GATED VIDEO
keys to enter in a 1, then press
EDGE (Press
GATE CTL EDGE LVL
underlined.)
POS (Press
EDGE POL POS NEG
underlined.)
1 ms/div
Normal
4
Minimum
ON, 4 V/div, OFFSET = 2 V, DC coupled, 1 M Ω input,
connect to external trigger signal. Adjust channel 1
settings as necessary.
ON, 400 mV/div, OFFSET = 0 V, DC coupled, 50 Ω
input, connect to the pulsed-RF signal. Adjust
channel 2 settings as necessary.
ON, 4 V/div, OFFSET = 2 V, DC coupled, 1 M Ω input,
connect to the BLKG/GATE OUTPUT connector on
the spectrum analyzer. Adjust channel 3 settings as
needed when gate is active.
OFF
TRIG'D, channel 1, level = 3.5 V, or as needed
running
Example 11: Time-Gated Measurement
so that OFF is
GATE ON OFF
, use the data keys to enter in
, , use the data
GATE LEN [ ]
.)
ms
so that EDGE is
so that POS is
Making Measurements
139