전자부품 데이터시트 검색엔진 |
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GS1504-CKDE3 데이터시트(PDF) 11 Page - Gennum Corporation |
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GS1504-CKDE3 데이터시트(HTML) 11 Page - Gennum Corporation |
11 / 13 page 522 - 05 - 05 11 of 13 GS1504 / GS1508 INTERFACING Figures 30 through 34 show the artwork for a four layer printed circuit evaluation board for the GS1504. The schematic is shown in Fig 29. An FR-4 dielectric can be used, however, controlled impedance transmission lines are required for PCB traces longer than approximately 1cm. Note the following PCB artwork features used to optimize performance: • PCB trace width for HD rate signals is closely matched to SMT component width to minimize reflections due to change in trace impedance. • The PCB ground plane is removed under the GS1504/GS1508 input components to minimize parasitic capacitance. • The PCB ground plane is removed under the GS1504/GS1508 output components to minimize parasitic capacitance. • High speed traces are curved to minimize impedance changes. A picture of the GS1504/08 PCB assembly is shown in Figure 34. Fig. 29 GS1504/08 Evaluation Board Assembly SDO SDO C11 4µ7 C12 4µ7 C11 AND C12 ARE TC3216 TANTALUM CAPACITORS. L2 12n 75 1p 1p 75 12n R9 C17 C18 R10 L3 J4 EDGEMNT_BNC J5 EDGEMNT_BNC VCC VCC C10 100n R7 75 R8 75 C15 10n SDO SDO GND V CC SDI SDI V EE R SET 1 2 3 4 8 7 6 5 U2 GS1508 R11 53.6 R8 49.9 R7 49.9 C16 1n J1 CLOSE TO MUTE VCC C20 10n VCC C4 10n CD/MUTE VCC VEE SDO SDO VEE nc nc CLI VCC VEE SDI SDI VEE MCLADJ nc 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 C5 10n TP3 CLI VCC C6 10n R16 75 C7 47p C8 47p R15 37.5 L4 10n R1 75 J2 VIDEO IN R6 15k R5 10k R4 2k 1 2 J3 VCC VCC C1 1µ C2 100n C3 1n TP1 VCC TP2 GND All resistors in ohms, all capacitors in farads, unless otherwise shown. |
유사한 부품 번호 - GS1504-CKDE3 |
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유사한 설명 - GS1504-CKDE3 |
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