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3-70
Real-Time I/Q Baseband Generator User’s and Programming Guide
Softkey Reference
ESG Family Signal Generators
D
Options UN8 and 202
Data Out
Press this key to access a menu from which you can modify the output
at the DATA OUT rear panel BNC/SMB connector.
Softkey Location:
Mode
>
TDMA
>
EDGE (Rev 8.3.0Release 1999)
>
BNC MUX Settings
>
Data Out
DCS Base
Pressing this softkey selects DCS 1800 Base as the channel band for
EDGE or GSM. DCS 1800 Base contains channels 512 through 885.
Softkey Location:
Mode
>
TDMA
>
desired format
>
Freq Channels
>
Channel Band
>
DCS Base
DCS Mobile
Pressing this softkey selects DCS 1800 Mobile as the channel band for
EDGE or GSM. DCS 1800 Mobile contains channels 512 through 885.
Softkey Location:
Mode
>
TDMA
>
desired format
>
Freq Channels
>
Channel Band
>
DCS Mobile
DECT
Pressing this softkey displays a menu of softkeys where you can
generate a data pattern formatted into either a framed structure (with
the data bits in fields defined by the DECT protocol), or a sequence that
can be output one or more times.
Softkey Location:
Mode
>
TDMA
>
DECT
DECT Off On
Press this softkey to enable the DECT communications format. Setting
DECT Off On
to
On
sets up the internal hardware to generate the
structure that follows the DECT format. The internal I/Q modulator
generates GFSK digital modulation and the
DECT
and
I/Q
annunciators
appear in the display. The RF carrier is modulated when you set
Mod On/Off
to
On
.
Setting
DECT Off On
to
On
presets the following softkeys in the I/Q
menu:
I/Q Off On
is set to
On
and
I/Q Source
is set to
Int I/Q
. You can
override these selections in the I/Q menu.
Default Value: Off
Softkey Location:
Mode
>
TDMA
>
DECT
>
DECT Off On
Dect Patterns
Pressing this softkey accesses a menu of DECT-specific data pattern
selections. The following internally-generated patterns are available:
• FDEV1_HS - (frequency deviation, half slot) 8 bits: repetitive
pattern of 1, 0, 1, 0... followed by 32 ones, 32 zeroes, and 8 bits:
repetitive pattern of 1, 0, 1, 0...
• FDEV1_FS - (frequency deviation, full slot) 128 bits: repetitive
Содержание ESG series
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