Rohde & Schwarz R&S UPP, User Manual

Page: 233 / 938

Instrument Functions
R&S
®
UPP
217 User Manual 1411.1055.32 ─ 10
Fsync Shape
Selection of the FSYNC signal form.
"Square Pulse" The FSYNC signal is transmitted as a symmetrical rectangle.
"Bit Pulse" The FSYNC signal is transmitted as a bit pulse.
Remote command:
OUTPut:FSHape
on page 693
Fsync Polarity
Polarity of the FSYNC signal
The selection varies, and is available depending on the setting of Fsync Shape =
Square Pulse or Bit Pulse.
"Left (1) =
Low" Fsync Shape = Square Pulse
While the left channel (channel 1) is being sent, a low level is applied
at the FSYNC signal at a word offset of 0.
"Left (1) =
High" Fsync Shape = Square Pulse
While the left channel (channel 1) is being sent, a high level is applied
at the FSYNC signal at a word offset of 0.
"Positive" Fsync Shape = Bit Pulse
At a Word Offset of 0, a positive pulse marks the beginning of the left
data word.
"Negative" Fsync Shape = Bit Pulse
At a Word Offset of 0, a negative pulse marks the beginning of the left
data word.
Remote command:
OUTPut:POLarity
on page 694
Word Offset
By using Word Offset, you can set the number of SCK clock cycles by which the Fsync
signal transmission is delayed relative to the audio data.
Value range: -Word Length to 0 to +Word Length-1
Remote command:
OUTPut:WOFFset
on page 694
Ref Voltage
Reference value for the relative amplitude units.
If this reference value is changed, all amplitude settings linked to the reference value
also change.
Remote command:
SOURce:VOLTage:REFerence
on page 689
Configuring the I
2
S Generator