Advertisement

Quick Links

GS2971
EB-GS2971
Evaluation Board User Guide
www.semtech.com
EB-GS2971
1 of 22
Evaluation Board User Guide
52169 - 2
June 2012
Proprietary & Confidential

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the EB-GS2971 and is the answer not in the manual?

Questions and answers

Summary of Contents for Semtech EB-GS2971

  • Page 1 GS2971 EB-GS2971 Evaluation Board User Guide www.semtech.com EB-GS2971 1 of 22 Evaluation Board User Guide 52169 - 2 June 2012 Proprietary & Confidential...
  • Page 2: Table Of Contents

    2.2 Cable Driver Schematic ....................... 10 2.3 GS2971 Schematic ......................... 11 2.4 Power and AES Drivers ....................... 12 3. Board Layout..............................13 4. Bill of Materials............................19 EB-GS2971 2 of 22 Evaluation Board User Guide 52169 - 2 June 2012...
  • Page 3: Overview

    Overview Together with the EB-GS2971 Evaluation Board, this document serves as a guide for evaluating the GS2971; a Gennum 3Gb/s, HD, SD SDI Receiver, with integrated equalizer. This document contains four main sections: 1. Evaluation Board User Guide. 2. Evaluation Board Schematics.
  • Page 4: Evaluation Board User Guide

    1. Evaluation Board User Guide Figure 1-1 shows the inputs, outputs and power connections for the EB-GS2971. Power Selection Switch Power Power (J24) (SW100) (J100) 1.8V/3.3V Jumper (JP7) Parallel Video Output SDI Input Data Error Power Status (J16) (J4) Lock Status...
  • Page 5: Power

    SW SLIDE-DP3T Figure 1-3: Power Selection Switch *The EB-GS2971 has features to protect the GS2971. A fuse (F101) will trip when the Zener Diodes (D100, D101) turn on. NOTE 2: If the fuse trips, it will recover in approximately 1 hour, with a resistance of 1Ω.
  • Page 6: Sdi Input (J4)

    The EB-GS2971 includes a single SDI input. 1.3 Switch Settings (SW2) A DIP switch (SW2) is populated on the EB-GS2971, with each bit labelled on the silk-screen. This switch is used to set the operating modes of the GS2971. The signal can be set HIGH by placing the switch to the ‘1’...
  • Page 7: Outputs

    Parallel video data with the PCLK is available on a 48-pin connector (J16) and timing signals H, V and F are connected to a 10-pin connector (J17). This is a standard Gennum parallel interface, compatible with all Gennum evaluation boards. EB-GS2971 7 of 22 Evaluation Board User Guide...
  • Page 8: Jtag/Gspi Header (Jp1)

    GS2971 is provided using the JTAG/GSPI header. A GSPI dongle is provided for communication to the GSPI interface. If you have the EB-GS2971 and an EB-GS2972 connected together, only one GSPI dongle is required, and can be connected to either of the boards.
  • Page 10: Cable Driver Schematic

    A_GND A_GND GS2978 SDI OUT 75-ohm traces 49R9 49R9 A_GND A_GND CD Power Decoupling & Filtering VCC_3.3V +3.3V A_GND Figure 2-2: Cable Driver Schematic EB-GS2971 10 of 22 Evaluation Board User Guide 52169 - 2 June 2012 Proprietary & Confidential...
  • Page 12: Power And Aes Drivers

    AES Ch 7_8 VCC_5V VCC_3.3V_reg SN65LVDT2 VCC_3.3V R100 VCCA VCCB VCC_5V 240R 49.9K PWRGD_3V3 240R D102 SN74LVC1T45DRLR LNJ311G8PRA LNJ311G8PRA Figure 2-4: Power and AES Drivers Schematics EB-GS2971 12 of 22 Evaluation Board User Guide 52169 - 2 June 2012 Proprietary & Confidential...
  • Page 13: Board Layout

    3. Board Layout Figure 3-1: Layer 1 (Top Layer) EB-GS2971 13 of 22 Evaluation Board User Guide 52169 - 2 June 2012 Proprietary & Confidential...
  • Page 14 Figure 3-2: Layer 2 (Ground) EB-GS2971 14 of 22 Evaluation Board User Guide 52169 - 2 June 2012 Proprietary & Confidential...
  • Page 15 Figure 3-3: Layer 3 (Power) EB-GS2971 15 of 22 Evaluation Board User Guide 52169 - 2 June 2012 Proprietary & Confidential...
  • Page 16 Figure 3-4: Layer 4 (Signal 1) EB-GS2971 16 of 22 Evaluation Board User Guide 52169 - 2 June 2012 Proprietary & Confidential...
  • Page 17 Figure 3-5: Layer 5 (Signal 2) EB-GS2971 17 of 22 Evaluation Board User Guide 52169 - 2 June 2012 Proprietary & Confidential...
  • Page 18 Figure 3-6: Layer 6 (Bottom Layer) EB-GS2971 18 of 22 Evaluation Board User Guide 52169 - 2 June 2012 Proprietary & Confidential...
  • Page 19: Bill Of Materials

    UCBBJE20-1 (BNC_EDGEMNT _GHZ-POUR-2LYR-ER3.8) TMMH-124-01-F-D-RA-ES (HEADER2MM_48_2X24) J17, J18 TMMH-105-01-F-D-RA (HEADER2MM_10_2X5) J19, J20, J21, J22 BCJ-FPLV01 (BNC _EDGEMNT_RIGHT_ANGLE) TSW-105-07-L-D (HEADER2MM_10_2X5) 5V Input (CON_WEID5MM_2_PWR) 6.2nH Inductor (0402) EB-GS2971 19 of 22 Evaluation Board User Guide 52169 - 2 June 2012 Proprietary & Confidential...
  • Page 20: Evaluation Board User Guide 52169 - 2 June

    GS2971 Receiver (CT-BGA_100_11X11_1.00) GS2978 Cable Driver (CT-QFN_4MM_16/WSHLD) U12, U13 HSMF-C165 TPS74201_RGW (20-QFN) SN74LVC1T45DBVR (SOT23-6) FXL4TD245 (DQFN-MLP016E) U17, U18, U19, U20 SN65LVDT2 (SOT23-5) TPS77518D (CT-SOIC_8) EB-GS2971 20 of 22 Evaluation Board User Guide 52169 - 2 June 2012 Proprietary & Confidential...
  • Page 21: Eb-Gs2971

    Table 4-1: Bill of Materials (Continued) Quantity Reference Part FXL2TD245 (MAC010A) CS10-27.000M (SM/XTAL_6.0X3.5/2) EB-GS2971 21 of 22 Evaluation Board User Guide 52169 - 2 June 2012 Proprietary & Confidential...
  • Page 22: Eb-Gs2971

    PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE UNDERTAKEN SOLELY AT THE CUSTOMER’S OWN RISK. Should a customer purchase or use Semtech products for any such unauthorized application, the customer shall indemnify and hold Semtech and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs damages and attorney fees which could arise.

Table of Contents