SD346EVK National Semiconductor, SD346EVK Datasheet
SD346EVK
Specifications of SD346EVK
Related parts for SD346EVK
SD346EVK Summary of contents
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... In addition, board fabrication files are available on request. Contact your local National Semiconductor representative. PC Board Features The SD346EVK is shown in Figure 1. The features of the board are described in the sections that follow. General Description The SD346EVK is a four-layer PC board fabricated using FR-4. The layer stackup is shown in drawing number 551600090-001 ...
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... SD346EVK User Manual Rev 1.0 Figure 1. SD346EVK Photo © 2008, National Semiconductor Corp. ...
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... Reclocker is unlocked or bypassed, these outputs carry an unmodified replica of the input signal. The outputs may be muted by the output mute control described in a later section. The second set of outputs of the SD346EVK, labeled SCO/SDO2, can be set either to output a copy of the data on the first set of outputs, either reclocked or not as described above output the recovered clock signal from the LMH0346SQ SDI Reclocker ...
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... Rate1 Bypass/Autobypass Bypass/Autobypass Output Mute O P Mute Serial Clock Output SCO_EN Enable SD/HD Indication None Lock Detection None SD346EVK User Manual Rev 1.0 Indicator Switch “On” Function and Indication Rate0 Rate line pulled Rate1 to logic 1 Indicator light turns red Bypass ...
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... There is also a header on the right side of the SD346EVK board which is connected to the SD/HD indication of the LMH0346SQ SDI Reclocker meant to control an LMH0302 SDI cable driver. The output polarity of the signal on this header is such that it can be connected directly to the SD/HD control input of the LMH0302 cable driver. The header on the SD346EVK board facilitates this connection. ...
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... UTIFlex Cable UTIFlex Cable 3 GND HP E3610A DC Power Supply PC with SMBus Controller and Serial Port Figure 2. Test setup for the SD346EVK board. SD346EVK User Manual Rev 1.0 UTIFlex Cable Clock In CK+ CK- BERTScope Clock Out Data Out Data In Data+ Data- Data+ Data- UTIFlex Cable ...
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... The example eye diagram shown is for a 1.4835 Gb/s HD SDI signal. Similar eye diagrams can be obtained at 2.97 Gb/s and at 270 Mb/s by changing the bit rate setting on the signal generator. Generator Setting Data Rate Data Pattern SD346EVK User Manual Rev 1.0 Suggested Equipment Manufacturer Equipment Name ...
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... If the signal generator is capable of injecting controlled jitter, the jitter tolerance of the LMH0346SQ may be evaluated using the SD346EVK board. Typical settings used for jitter tolerance testing on the SD346EVK board are 0.7 UI jitter amplitude at 5 MHz and 10 MHz jitter frequencies. ...
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... SD346EVK Board Settings Essentially all of the settings of the SD346EVK are set to their nominal values to produce the typical eye diagram shown in Figure 3. Table 3. Control Settings and Indicator States to Produce Typical Eye Diagram Function Switch Rate Select Rate0 Rate1 Bypass/Autobypass Bypass/Aut obypass Output Mute ...
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... Figure 3. Typical output eye diagram for 1.4835 Gb/s. Summary The SD346EVK is a simplified four-layer PC board designed to facilitate the evaluation of the LMH0346SQ SDI Reclocker. In concept simple input/output board with the LMH0346SQ SDI Reclocker in the signal path. This manual has described the features of the PC board and its operation ...