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Features
Specifications (Provisional)
Package Dim. / Pin Config (Provisional)
Suggested land pattern (Provisional)
Characteristics of Prototype and EM Simulation
Typical Applications
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PDF Catalog Download(133KB)
Designe in progress
VDH-Type BGA Differential Variable Delay Line
Features
Small Foot Print 6.3mm×6.3mm
30ps Continuous Variable Range
Differential 100
W
In/Out Impedance
15GHz (Typ.) Band Width
Compatible with CDKF Pin Configuration
Suitable for Interpolation of CDKF Incremental Steps
Sample:3Q 2007, Production:4Q 2007
Specifications (Provisional)
Part Number:
VDH-F30
Variable Delay Time Range:
30ps±5ps
Incremental Resolution:
1ps or less, Continuously
Inherent Delay Time:
65ps±10ps
Inter-line Delay Difference:
5ps Max
Output Rise Time(20%-80%):
35ps Max
In/Out Impedance:
Single-ended 50
W
±10%
Differential 100
W
±10%
-3dB Pass band:
15GHz Typ., 10GHz Min.
Temperature Coefficient:
0~200ppm/deg. C
Insulation Resistance:
DC 50V, over 100M
W
Operating Temperature Range:
-15°C~+85°C
Storage Temperature Range:
-40°C~+120°C
Outer Dimensions and Pin Configuration (Provisional)
Unit:mm(inch)
Tolerance:±0.1(±0.004)
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VDH Type : Suggested land pattern (Provisional)
Unit:mm(inch)
Tolerance:±0.1(±0.004)
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Characteristics of Prototype and EM Simulation
Prototype
EM Simulation Model (Sim)
Including Test Board Characteristics
Excluding Test Board Characteristics
Measurements Circuit and Data Plot Procedure
(1) Minimum Delay
Sdd21 Amplitude-Frequency
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Differential Group Delay
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Sdd11 Return Loss
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5GHz Clock Response ( Prototype )
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(2) Maximum Delay
Sdd21 Amplitude-Frequency
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Differential Group Delay
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Sdd11 Return Loss
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5GHz Clock Response ( Prototype)
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Land Pattern Example for VDH-CDKF Connection
Unit:mm(inch)
PWB εr : 4.0
Signal-GND Distance: 0.5mm
VDH Type CDKF Type
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Land Pattern Example for VDH-CDKD Connection
Unit:mm(inch)
PWB εr : 4.0
Signal-GND Distance: 0.5mm
VDH Type CDKD Type
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Typical Applications and Termination Methods
(1) PECL
(2) LVPECL
(3) Twisted Pair Termination
(4) LVDS
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