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EB-GS2993

Evaluation Board User Guide

1 of 10

EB-GS2993
Evaluation Board User Guide
55092 - 0

April 2010

www.gennum.com

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Summary of Contents for EB-GS2993

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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