Atec Agilent-81150A-81160A - Manual (Page 10)

10
Voltage level crest factor You can also select the crest factor out of 4 values – an indicator of signal quality –
using V
P
/V
RMS
or V
PP
/V
RMS
scales, depending on the standard to which you are testing.
The 81150A and the 81160A use the defi nition: crest factor = V
P
/V
RMS
The result is noise that combines two extremes:
• Random and repeatable noise, for stress tests on one side
• While still being sufficiently random
voltage
Voltage Level Crest Factor
V
pp
V
P
V
RMS
Voltage level crest factor
Voltage
Pattern Generator – Test in
Addition to Analog, Digital
and Mixed Signal Devices Engineers working with serial buses or designers of analog, digital and mixed signal
devices require stressing their design with pattern. The optional Agilent 81150A and
81160A arbitrary bit shaped pattern generator allows sending ideal and real-world pattern.
The Agilent 81150A with arbitrary bit shaped pattern (Option PAT) allows emulating over-
shoot, asymmetric delay and duty cycle distortion up to 120 Mbit/s, the Agilent 81160A
up to 330 Mbit/s (Option 330) or even up to 660 Mbit/s (Option 660). Patterns can be
easily set up and distorted at your fingertips.