Softkey Reference ESG-D Series Option H98 Signal Generators
Wideband CDMA Softkeys
4-18 Manual Supplement
Perch2 Off On
Press this softkey to toggle the operating state of the Perch2 logical
channel for synchronization. The Perch2 channel can be enabled alone,
with any combination of the Perch1 channel and channel 1, or it can be
turned off. The short code for Perch2 is set based on the long code
masked set (LMS) of the selected long code. Refer to Table 4-2 for the
Perch2 short code. The
W-CDMA Off On softkey must be enabled in order
for this signal to be generated. The
Perch2 Off On softkey is only
displayed when the
Link Down Up softkey is set to Down.
Table 4-2 Long Code Range Versus the Perch2 Long-Code Masked Set (LMS)
Softkey Location: Mode > Wideband CDMA > Perch Setup > Perch2 Off On
Choices: Off or On
Status after Normal Preset: On
SCPI Command and Command Query:
[:SOURce]:RADio:WCDMa[:BBG]:DLINK:PERCh2[:STATe]
ON|OFF|1|0
[:SOURce]:RADio:WCDMa[:BBG]:DLINK:PERCh2[:STATe]?
Phase Polarity Normal Invert
Press this softkey to reverse the phase rotation of the wideband CDMA
signal.
Normal Sets the polarity to a normal state.
Invert Inverts the internal Q signal, reversing the direction of
phase rotation. Required by some radio standards,
phase polarity inversion is also useful for lower
sideband mixing applications.
Softkey Location:
Mode > Wideband CDMA > Channel Setup > More (1 of 2) >
Phase Polarity Normal Invert
Choices: Normal or Invert
Status after Normal Preset: Normal
Long Code Range Perch2 Short Code LMS
1 to 32 2
33 to 64 3
65 to 96 4
97 to 128 5