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# SPEC7 Feature alternatives
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-----
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# Cost of Alternatives
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*Existing SPEC: 180 Euro component cost* (without PCB and front-panel)
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when bought in large quantities (several hundreds in one time).
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- Replacing Gennum: (57 Euro) and Spartan (40 Euro) by
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*XC7K70T-2FBG676C negotiated down to 90 Euro makes component cost
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similar to existing SPEC.*
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- Note that list price K70T is 180 Euro. With this price, the
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SPEC7 would have already a 50% higher cost than the SPEC.
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Alternative options:
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- **XC7K160T-2FBG676C (+80 Euro)**
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- **Vadj adjustable (~+5 Euro)**
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- **Larger PCB for extra connectors (+10 Euro)**
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- **High Pin Count FMC connector (+6Euro)**
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- **Connor-Winfield DOT050 VCTCXO
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([DOT050V-020.0M](https://www.eciaauthorized.com/en/search/DOT050V-020.0M))
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(+20 Euro)**
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- **12-layer PCB (if HPC) (+30 Euro)**
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Total: *with all options, 150 Euro extra cost, total cost price 330
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Euro.* This is an 80% price increase.
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-----
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# SPEC7 Feature Alternatives
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- 4-lane PCIe ****
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- 1x Xilinx handling PCIe interface and user gateware
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- Xilinx Kintex-7: XC7K70T in FBG676 package (XC7K70T-2FBG676C)
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... | ... | @@ -74,30 +105,5 @@ |
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-----
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# Cost of Alternatives
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- **Alternative: XC7K160T-2FBG676C (+80 Euro)**
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- **Alternative Vadj adjustable (~+5 Euro)**
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- **Needs larger PCB (+10 Euro)**
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- **Alternative: HPC (+6Euro)**
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- **Alternative: Connor-Winfield DOT050 VCTCXO
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([DOT050V-020.0M](https://www.eciaauthorized.com/en/search/DOT050V-020.0M))
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(+20 Euro)**
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- **Alternative: 12-layer PCB (if HPC) (+30 Euro)**
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Total: 150 Euro extra.
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Existing SPEC: 180 Euro component cost (without PCB and front-panel)
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* Replacing Gennum: (57 Euro) and Spartan (40 Euro) by
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XC7K70T-2FBG676C of 180 Euro makes a component cost of 270 Euro already,
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already a 50% price increase.
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* Replacing Gennum: (57 Euro) and Spartan (40 Euro) by
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XC7K70T-2FBG676C of 90 Euro (great if could negotiate that) makes
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component cost similar to existing SPEC.
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-----
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Erik van der Bij - 26 January 2018
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Erik van der Bij - 29 January 2018
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