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EB-GS2993
Evaluation Board User Guide
55092 - 0

April 2010

3 of 10

General Description

The GS2993 evaluation package is designed to accelerate the evaluation process of the 
GS2993 Adaptive Cable Equalizer.

It is strongly recommended to read the GS2993 Data Sheet (Doc ID: 53966) before using 
this evaluation kit.

Evaluation Kit Contents

• Gennum EB-GS2993 Evaluation Board
• CD containing GS2993 Collateral

Overview

The purpose of the EB-GS2993 Evaluation Board is to evaluate the GS2993 Multi-rate 
Cable Equalizer. This device is designed to support SMPTE 424M, SMPTE 292M and 
SMPTE 259M serial digital video signals standards, and is optimized for performance at 
270Mb/s, 1.485Gb/s and 2.97Gb/s data rates.

EB-GS2993 Functional Block Diagram

SW2 GS2993

Inputs

SMA

SMA

SMA

SMA

BNC

GS2993

IRL

GS2993 Supply Conne

c

tion

DDO1

DDO2

Содержание EB-GS2993

Страница 1: ...EB GS2993 Evaluation Board User Guide 1 of 10 EB GS2993 Evaluation Board User Guide 55092 0 April 2010 www gennum com...

Страница 2: ...1 1 SDI Inputs and Outputs 4 1 2 Power 4 1 3 Switch Settings 5 1 4 Jumper Settings 5 1 5 Potentiometer Settings 6 1 5 1 OP1_CTL OP2_CTL Potentiometer Settings 6 1 5 2 Squelch Adjust SQ_ADJ Potentiomet...

Страница 3: ...Evaluation Kit Contents Gennum EB GS2993 Evaluation Board CD containing GS2993 Collateral Overview The purpose of the EB GS2993 Evaluation Board is to evaluate the GS2993 Multi rate Cable Equalizer Th...

Страница 4: ...ifferential outputs DDO1 J5 DDO1 J6 and DDO2 J7 DDO2 J8 through SMA connectors 1 2 Power The EB GS2993 features four power posts 3V3 GND VCCO1 VCCO2 By default the GS2993 can bepoweredwith asingle pow...

Страница 5: ...tch OFF Description Switch ON Description GS 0 Gain Select off no change in gain default 1 Gain Select on 6dB gain OP2EN 0 OUTPUT2 disabled 1 OUTPUT2 enabled default OP1EN 1 OUTPUT1 enabled default 0...

Страница 6: ...st which adjusts the voltage seen at the SQ_ADJ pin This input adjusts the threshold of the CD pin When the SQ_ADJ input is 0V all cable lengths will be equalized When the SQ_ADJ input is 3 3V there w...

Страница 7: ...VCC_LED_93 LED SUPPLY SEPARATED FROM INPUT SUPPLY BY HEADER 10 F 100nF 10 F 100nF VCC_O2_93 VCC_O1_93 100nF 37 4 VCC_A_93 4 7 F SMA SWDIP4 VCC_DIG_93 221 VCC_DIG_93 VCC_O1_93 TBD WHITE 10nF WHITE SMA...

Страница 8: ...GS2993 Evaluation Board User Guide 55092 0 April 2010 8 of 10 3 Board Layout Figure 3 1 Layer 1 Top Layer and Top Silkscreen Figure 3 2 Layer 2 Ground Figure 3 3 Layer 3 Power Figure 3 4 Layer 4 Bott...

Страница 9: ...1 881 2 JP8 JP9 Connector header 2mm single straight 36 position 3 positions used 2 JP7 JP10 Connector header 2mm single straight 36 position 2 positions used 1 L3 Inductor 6 2nH 300mA 0402 1 Q6 Trans...

Страница 10: ...hone 1 408 934 1301 Fax 1 408 934 1029 E mail naw_sales gennum com NORTH AMERICA EASTERN REGION 4281 Harvester Road Burlington Ontario L7L 5M4 Canada Phone 1 905 632 2996 Fax 1 905 632 2055 E mail nae...

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