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5790B
Operators Manual
Ref No.
3-2
Table 3-1. Front Panel Features
Name
A Type "N" connector for dc (1000 V max) or ac (to 1 MHz, 1000 V max)
INPUT 1 Type
inputs. For manual transfer applications that use the Product with external
"N" Connector
dc and ac sources, use the INPUT 2 binding posts for the dc source.
Connection point for a Fluke Model A40 or A40A Binding Post Current
Shunt adapter.
AUX
Binding Post
If the Product is the location of the ground reference point in a system, the
GROUND
GROUND binding post can be used to connect other instruments to earth
Binding Post
ground. The chassis is normally connected to earth ground through the
three-conductor line cord instead of through the earth ground binding post.
Refer to Chapter 4 for details.
A 50 Ω Type "N" connector for inputs in Wideband mode (10 Hz to 30 MHz
WIDEBAND
-Option 5790B/3 or 50 MHz - Option 5790B/5 or 5790B/AF, 7 V rms max).
50 Ω Type "N"
This connector is only used when an optional Wideband Module is
[1]
Connector
installed.
The GUARD binding post provides an external Binding Post connection
point for the internal guard or a floating shield around sensitive
GUARD
measurement circuitry. See Chapter 4 for proper use of the GUARD. The
[1]
Binding Posts
maximum allowable potential between the GUARD binding post and
chassis ground is 10 V pk.
INPUT 2
A pair of five-way binding posts for connection to a binding external dc
Binding Post
source (1000 V max), or to an ac source posts (1000 V rms max).
The color touch-sensitive display shows the amplitude, frequency, and
Touch Screen
other active conditions and messages. The lower section of the display
Display
provides controls not available with the keys alone. The Product interface
is made up of multiple menus, described in Chapter 4.
EX TRIG (External Trigger) key turns off continuous trigger mode. When
the key is pushed, the Ext Trigger ON indicator is shown in the upper
corner of the display, and the Product stops taking continuous
measurements at the active input. When the Ext Trigger indicator is off, the
TRIG and
Product automatically takes measurements one after another.
EX TRIG keys
When Ext Trigger is ON, the TRIG key triggers a single measurement at
the active input. In continuous trigger mode, the TRIG aborts the current
measurement cycle and triggers a new measurement.
See Selecting Continuous or External (Single) Trigger in Chapter 4.
Function
Note
The AUX terminal is only to be used with
the A40 and A40A shunts. See Current
Shunt Function in Chapter 4 for more
information.
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