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LG1602

Agere Systems
Part Number LG1602
Manufacturer Agere Systems
Description LG1602 Decision Circuit
Published Mar 22, 2005
Detailed Description Data Sheet February 1999 LG1602 Decision Circuit Features s s s s Functional Description The LG1602 is a gallium arsen...
Datasheet PDF File LG1602 PDF File

LG1602
LG1602

Overview
Data Sheet February 1999 LG1602 Decision Circuit Features s s s s Functional Description The LG1602 is a gallium arsenide (GaAs) decision circuit.
It features a sensitive broadband input amplifier and a D-type flip-flop that retimes and regenerates an input data stream that is weakened by noise, jitter, and intersymbol interference.
The LG1602 has complementary 50 Ω output buffers.
dc feedback ensures input threshold control for input levels as low as 25 mV, when using dc balanced input data.
The LG1602 is available in a hermetically sealed 16-lead glass-metal surface-mount package.
V+OUT V–OUT Operation up to 3 Gbits/s Good sensitivity to low input signals Low power dissipation Surface-mount package Applications s s s SONET/SDH transmission systems Digital video transmission Digital test instruments V–REF V–IN V+IN V+REF 110 pF 25 kΩ 50 Ω D 50 Ω 25 kΩ 110 pF D Q VSS 2 pF V–CLK 50 Ω 50 Ω V+CLK 2 pF GND 5-7667(F)r.
3 Figure 1.
LG1602 Functional Diagram LG1602 Decision Circuit Data Sheet February 1999 Pin Information GND GND NC NC 16 15 14 13 1 GND 2 V+CLK 3 V–CLK 4 VSS 12 V+REF 11 V+IN 10 V–IN 9 V–REF 5 6 7 8 V–OUT V+OUT NC NC 12-3223(F).
ar.
2 Figure 2.
Pin Diagram Table 1.
Pin Descriptions Pin 2 3 4 5 6 9 10 11 12 1, 15, 16, Package Back 7, 8, 13, 14 Symbol V+CLK V–CLK VSS V–OUT V+OUT V–REF V–IN V+IN V+REF GND Name/Description Clock Input.
May be grounded, if not used.
Clock Input.
May be grounded, if not used.
dc Supply Voltage.
Negative Data Output.
ac couple or terminate with 50 Ω to GND.
Positive Data Output.
ac couple or terminate with 50 Ω to GND.
Data Negative Reference.
Bypass to GND with 0.
047 µF in series with 5 Ω.
Negative Data Input.
ac couple with 0.
047 µF.
Positive Data Input.
ac couple with 0.
047 µF.
Data Positive Reference.
Bypass to GND with 0.
047 µF in series with 5 Ω.
Ground.
For optimum performance, package back should contact board ground plane.
No Connection.
NC 2 Lucent Technologies Inc.
Data Sheet February 1999 LG1...


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