R&S AFQ100A Operating Manual page 143

R&S AFQ100A
Source - Memory
Clock
Recommended Range
- Memory Clock
Frequency - Memory
Clock
Input Slope - Memory
Clock
1401.3084.32
Selects the clock source for loading the waveform file.
The internal clock reference is used to generate the
Internal
sample clock.
Remote-control command:
SOUR:CLOC:SOUR INT
The external clock reference is fed in as the sample
External
clock via the CLOCK IN connector.
Remote-control command:
SOUR:CLOC:SOUR EXT
(Clock source external only)
Indicates the recommended range of the memory clock frequency.
The recommended frequency range is indicated only if an external
clock source is used.
Remote-control command: n.a.
Sets the output clock frequency of the ARB or the frequency of the
internal or external clock, respectively.
Remote-control command:
SOUR:CLOC 10MHz
(Clock source external only)
Sets the slope polarity (active edge) of an externally applied clock
signal. The external clock signal is fed in via the CLOCK BNC
connector at the rear panel. The clock input slope is indicated only if
an external clock source is selected.
The rising edge is selected.
Positive
Remote-control command:
SOUR:CLOC:INP:SLOP POS
The falling edge is selected.
Negative
Remote-control command:
SOUR:CLOC:INP:SLOP NEG
4.32
Baseband Block
E-3