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Chapter 3 Features and Functions
Triggering
Ext Trig / FSK / Burst Input Terminal
This terminal is used in the following modes:
• Triggered Sweep Mode: Press
from the remote interface to enable the triggered sweep mode
(sweeps must be enabled). When the rising edge of a
received on the Ext Trig terminal, the function generator outputs a
single sweep. The
Trig
generator is waiting for a trigger.
• Externally-Modulated FSK Mode: To enable the externally-
modulated mode, select "
or execute FSK:SOUR EXT from the remote interface when
MENU
is enabled. When a low
FSK
frequency is output. When a high
frequency is output. The
• Triggered Burst Mode: Press
from the remote interface to enable the triggered burst mode
(burst must be enabled). When the rising edge of a
received, the function generator outputs a burst waveform with the
specified number of cycles. The
function generator is waiting for a trigger.
• External Gated Burst Mode: To enable the external gated mode,
select "
BURST SRC EXT GATED
or execute BM:SOUR EXT from the remote interface when burst is
enabled. When a high
outputs the carrier waveform. When a low
output is disabled. The
102
INPUT
5 V
0 V
> 1 µs
or execute TRIG:SOUR EXT
Single
annunciator turns on when the function
" from the front-panel
FSK SRC EXT
level is present, the
TTL
level is present, the
TTL
annunciator turns on when selected.
Ext
or execute TRIG:SOUR EXT
Single
annunciator turns on when the
Trig
" from the front-panel
level is present, the function generator
TTL
TTL
annunciator turns on when selected.
Ext
pulse is
TTL
MOD
carrier
FSK
"hop"
FSK
pulse is
TTL
MOD MENU
level is present, the
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