Specifications

36
Page 71
安捷倫科技高頻元件量測研討會
Feb.23, 2006
Simulation through Measured S-Parameter Data
Simulation
Simulation of
measurement-based
waveform through
measured S-Parameter
data for the board and
cable.
Adjust gain to compensate
for loss through
resistor. May need to
adjust gain slightly to
match measurements.
Page 72
安捷倫科技高頻元件量測研討會
Feb.23, 2006
Simulation compared to DCA Measurement
1G Data Rate through 20” trace
DCA Measurement of BERT
Simulation with Measured Data
Gain set to 1.95
5.7/5.85.7pS5.7pSJitter rms
22.2/22.222.2pS22.17pSJitter p-p
386.3/389.4389mV389mVEye Amp
211/219215pS192pSFall Time
219/226222pS197pSRise Time
-177.5/-178.5-177.5mV-179mVLevel 0
211.3/213.5211.3mV210.8mVLevel 1
DCA
min/max
DCA typFrontPanel
[NOTE: FrontPanel data is from a single trace.
DCA measurements are averaged with 16
measurements.]
[NOTE: FrontPanel results are preliminary until
ADS 2005A final release.]