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Figure 3-2
2. Save the information in the Current Inst. Settings column to the file header:
Press
Save Setup To Header
Both the Saved Header Settings column and the Current Inst. Settings column now display
the same settings; the Saved Header Settings column lists the settings saved in the file header.
The file header contains the following signal generator settings:
32–Character
Description:
Sample Rate:
Runtime Scaling:
Marker 1...4 Polarity:
ALC Hold Routing:
RF Blank Routing:
I/Q Mod Filter:
I/Q Output Filter:
Mod Attenuation:
Chapter 3
Custom Digital Modulation Default Header Display
.
A description entered for the header, such as a the waveform's function (saved/edited with the
key, see
Figure 3- 2 on page
Description
The ARB sample clock rate.
The Runtime scaling value. Runtime scaling is applied in real–time while the waveform is playing.
This setting can be changed only for files in the dual ARB player.
The marker polarity, positive or negative (described on
Which marker, if any, implements the PSG's ALC hold function (described on
Which marker, if any, implements the PSG's RF blanking function (described on
The I/Q modulator filter setting. The modulator filter affects the I/Q signal modulated onto the RF
carrier.
The I/Q output filter setting. The I/Q output filter is used for I/Q signals routed to the rear panel
I and Q outputs.
The I/Q modulator attenuation setting.
Arbitrary (ARB) Waveform File Headers
Note:
Parameters that are inactive (such as
Page 1
Runtime Scaling) can be set only in
the dual ARB player.
Page 2
Default Header Settings
83).
page
111).
Basic Digital Operation
Lets you enter/edit the
Description field
Clears the Saved Header
Settings column to the
default settings
Saves the Current Inst.
Settings column to the
Saved Header Settings
column
Current signal generator
settings
page
98).
page
109).
Edit
83
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