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FastEdge™ Series
CY2DP3120
Document #: 38-07514 Rev.*C
Page 6 of 9
Test Configuration
Standard test load using a differential pulse generator and
differential measurement instrument.
Applications Information
Termination Examples
Pu ls e
G enera tor
Z = 50 ohm
Z o = 50 ohm
VT T
VT T
R T = 50 ohm
Z o = 50 ohm
VTT
5"
5"
VT T
R T = 50 ohm
DU T
C Y 2D P 3 120
R T = 50 ohm
R T = 50 ohm
Figure 5. CY2DP3120 AC Test Reference
VTT
Zo = 5 0 o h m
VTT
5"
5"
C Y 2D P 3120
R T = 50 ohm
R T = 50 ohm
VC C
VE E
Figure 6. Standard LVPECL – PECL Output Termination
VT T
Z o = 50 ohm
VT T
5"
5"
C Y 2D P 3120
R T = 5 0 o h m
R T = 50 ohm
VC C
VE E
VB B ( 3 .3 V )
Figure 7. Driving a PECL/ECL Single-ended Input
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