
Chapter 1: ML605 Evaluation Board
GTX SMA Clock
The ML605 includes a pair of SMA connectors for a GTX (MGT) Clock as described in Figure 
J30 
GND1
GND2 GND3
2
3
4
SMA_REFCLK_N
C61 1
0.1UF
| 2 | 
 | 
| 10V | X5R | 
SMA_REFCLK_C_N1
SIG GND4 5 GND5 6 GND6 7 GND7 8
SMA_REFCLK_P
C62 1
0.1UF
| 2 | 
 | 
| 10V | X5R | 
SMA_REFCLK_C_P1
J31 
| 
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 | 2 | 
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 | GND1 | 
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 | 3 | 
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 | GND2 | 
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 | 4 | 
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 | GND3 | 
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| SIG | 5 | 
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| GND4 | 
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| 6 | 
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 | GND5 | 
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 | 7 | 
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 | GND6 | 
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 | 8 | 
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 | GND7 | 
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UG534_09_081309
Figure 1-9: GTX SMA Clock
Table 1-7: GTX SMA Clock Connections
| U1 FPGA Pin | Schematic Net Name | SMA Pin | 
| 
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| F5 | SMA_REFCLK_N | J30.1 | 
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| F6 | SMA_REFCLK_P | J31.1 | 
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| 30 | www.xilinx.com | ML605 Hardware User Guide | 
| 
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 | UG534 (v1.2.1) January 21, 2010 | 
