Related Manuals for GENNUM EB-GS2993
Summary of Contents for GENNUM EB-GS2993
- Page 1 EB-GS2993 Evaluation Board User Guide www.gennum.com EB-GS2993 1 of 10 Evaluation Board User Guide 55092 - 0 April 2010...
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Page 2: Table Of Contents
1.5 Potentiometer Settings ........................6 1.5.1 OP1_CTL, OP2_CTL Potentiometer Settings ..............6 1.5.2 Squelch Adjust (SQ_ADJ) Potentiometer Settings .............6 1.6 LED Indicator .............................7 2. Schematic.................................7 3. Board Layout..............................8 4. Bill of Materials...............................9 EB-GS2993 2 of 10 Evaluation Board User Guide 55092 - 0 April 2010... -
Page 3: General Description
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. -
Page 4: Evaluation Board User Guide
1.1 SDI Inputs and Outputs The GS2993 is a high-speed BiCMOS integrated circuit designed to equalize and restore signals received over 75Ω co-axial cables. The EB-GS2993 is the evaluation board for the GS2993. The EB-GS2993 features one 75Ω single-ended input through a BNC connector (SDI/J4), and two pairs of 100Ω... -
Page 5: Switch Settings
OP1EN OUTPUT1 enabled (default) OUTPUT1 disabled Bypass off (default) Bypass on 1.4 Jumper Settings The jumpers on the EB-GS2993 board are described in the following tables: Table 1-2: AUTOSLEEP (JP7) Jumper Settings Label Connection Description Connected (default) Enables the AUTOSLEEP function... -
Page 6: Potentiometer Settings
400mV 1.5.2 Squelch Adjust (SQ_ADJ) Potentiometer Settings There is one multi-turn potentiometer on the EB-GS2993 assigned for squelch adjust, 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 will be no equalization regardless of the cable length. -
Page 7: Led Indicator
OP1_EN OP2_EN VCC_A_93 GAIN_SEL VCC_A_93 VCC_A_93 VCC_A_93 CDB_93 SLEEP LED ENABLE JUMPER WHITE WHITE WHITE WHITE MMBT3904 AUTOSLEEP VCC_DIG_93 OP2_EN_93 OP1_EN_93 BYPASS_93 SWDIP4 Figure 2-1: GS2993 Schematic EB-GS2993 7 of 10 Evaluation Board User Guide 55092 - 0 April 2010... -
Page 8: Board Layout
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 (Bottom) EB-GS2993 8 of 10 Evaluation Board User Guide 55092 - 0 April 2010... -
Page 9: Bill Of Materials
Test Point, PC multi-purpose (white) TP10, TP11 Test Point, PC multi-purpose (yellow) TP12 Test Point, PC multi-purpose (red) TP13 Test Point, PC multi-purpose (black) Gennum GS2993 3Gb/s Equalizer, QFN24-4X4X1MM-0P5MM EB-GS2993 9 of 10 Evaluation Board User Guide 55092 - 0 April 2010... - Page 10 E-mail: gennum-taiwan@gennum.com Gennum Corporation assumes no liability for any errors or omissions in this document, or for the use of the circuits or devices described herein. The sale of the circuit or device described herein does not imply any patent license, and Gennum makes no representation that the circuit or device is free from patent infringement.
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