... | ... | @@ -7,93 +7,31 @@ |
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## Features
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<table>
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<tbody>
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<tr class="odd">
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<td><b> Parameter </b></td>
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<td><b> Value </b></td>
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</tr>
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<tr class="even">
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<td>Max. Sampling rate</td>
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<td>125 MSPS</td>
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</tr>
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<tr class="odd">
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<td>Bits/sample</td>
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<td>14 bit</td>
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</tr>
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<tr class="even">
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<td>ENOB (THD omitted)</td>
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<td>12.2 bit</td>
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</tr>
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<tr class="odd">
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<td>ENOB at 15 MHz</td>
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<td>11.4 bit</td>
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</tr>
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<tr class="even">
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<td>Channels</td>
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<td>4</td>
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</tr>
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<tr class="odd">
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<td>Connectors</td>
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<td>SMA @ 50 ohm</td>
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</tr>
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<tr class="even">
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<td>Input Range</td>
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<td>+/- 1 V</td>
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</tr>
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<tr class="odd">
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<td>Miscellaneous</td>
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<td>GPIO connectors, temperature sensor, clock synchronized output</td>
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</tr>
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<tr class="even">
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<td>Clock source</td>
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<td>Internal: 100 MHz oscillator<br />
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External: up to 125 MHz with an external clock</td>
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</tr>
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</tbody>
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</table>
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|**Parameter**|**Value**|
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|----|----|
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|Max. Sampling rate|125 MSPS|
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|Bits/sample|14 bit|
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|ENOB (THD omitted)|12.2 bit|
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|ENOB at 15 MHz|11.4 bit|
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|Channels|4|
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|Connectors|SMA @ 50 ohm|
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|Input Range|+/- 1 V|
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|Miscellaneous|GPIO connectors, temperature sensor, clock synchronized output|
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|Clock source|Internal: 100 MHz oscillator
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External: up to 125 MHz with an external clock|
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## Inputs
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<table>
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<tbody>
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<tr class="odd">
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<td><b> Input </b></td>
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<td><b> Connector </b></td>
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<td><b> Max Voltage </b></td>
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</tr>
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<tr class="even">
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<td>Ground referenced analog signal</td>
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<td>SMA</td>
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<td>2 Vpp</td>
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</tr>
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<tr class="odd">
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<td>Differential analog signal</td>
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<td>SMA</td>
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<td>2 V</td>
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</tr>
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<tr class="even">
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<td>Clock Input signal</td>
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<td>SMA</td>
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<td>2 Vpp</td>
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</tr>
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<tr class="odd">
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<td>MicroZed Board GPIO</td>
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<td>Pin headers</td>
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<td>3.3 V</td>
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</tr>
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<tr class="even">
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<td>Buck switching frequency input</td>
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<td>SMA</td>
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<td>5.5 V</td>
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</tr>
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<tr class="odd">
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<td>12 V power supply</td>
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<td>Barrel DC jack & MINI DIN 4</td>
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<td>16 V DC</td>
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</tr>
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</tbody>
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</table>
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|**Input**|**Connector**|**Max Voltage**|
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|----|----|----|
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|Ground referenced analog signal|SMA|2 Vpp|
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|Differential analog signal|SMA|2 V|
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|Clock Input signal|SMA|2 Vpp|
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|MicroZed Board GPIO|Pin headers|3.3 V|
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|Buck switching frequency input|SMA|5.5 V|
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|12 V power supply|Barrel DC jack & MINI DIN 4|16 V DC|
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## Measured ENOB
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... | ... | @@ -126,35 +64,13 @@ silkscreen. For example, if we want a bandwidth of 160 MHz, the jumper |
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on J15 has to be placed linking the pin3 and the pin2 and J16 with the
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jumper linking the pin2 and pin1.
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<table>
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<tbody>
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<tr class="odd">
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<td><strong>J15</strong></td>
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<td><strong>J16</strong></td>
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<td><strong>Bandwidth</strong></td>
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</tr>
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<tr class="even">
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<td>LOW</td>
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<td>LOW</td>
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<td>1200 MHz (Full Bandwidth)</td>
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</tr>
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<tr class="odd">
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<td>LOW</td>
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<td>HIGH</td>
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<td>500 MHz (-3 dB)</td>
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</tr>
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<tr class="even">
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<td>HIGH</td>
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<td>LOW</td>
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<td>160 MHz (-3 dB)</td>
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</tr>
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<tr class="odd">
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<td>HIGH</td>
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<td>HIGH</td>
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<td>50 MHz (-3 dB)</td>
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</tr>
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</tbody>
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</table>
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|**J15**|**J16**|**Bandwidth**|
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|----|----|----|
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|LOW|LOW|1200 MHz (Full Bandwidth)|
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|LOW|HIGH|500 MHz (-3 dB)|
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|HIGH|LOW|160 MHz (-3 dB)|
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|HIGH|HIGH|50 MHz (-3 dB)|
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*Table 1 - LT6957 bandwith according to the jumper position*
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... | ... | @@ -175,46 +91,17 @@ internal oscillator frequency is the same as the external one. More |
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information on the LM43603
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[datasheet](http://www.ti.com/lit/ds/symlink/lm43603.pdf).
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<table>
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<tbody>
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<tr class="odd">
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<td><strong>Fs [kHz]</strong></td>
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<td><strong>R19 [kOhm]</strong></td>
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</tr>
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<tr class="even">
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<td>200</td>
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<td>200</td>
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</tr>
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<tr class="odd">
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<td>350</td>
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<td>115</td>
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</tr>
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<tr class="even">
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<td>500</td>
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<td>78.7</td>
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</tr>
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<tr class="odd">
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<td>750</td>
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<td>53.6</td>
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</tr>
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<tr class="even">
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<td>1000</td>
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<td>39.2</td>
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</tr>
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<tr class="odd">
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<td>1500</td>
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<td>26.1</td>
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</tr>
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<tr class="even">
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<td>2000</td>
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<td>19.6</td>
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</tr>
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<tr class="odd">
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<td>2200</td>
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<td>17.8</td>
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</tr>
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</tbody>
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</table>
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|**Fs [kHz]**|**R19 [kOhm]**|
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|----|----|
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|200|200|
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|350|115|
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|500|78.7|
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|750|53.6|
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|1000|39.2|
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|1500|26.1|
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|2000|19.6|
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|2200|17.8|
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*Table 2 - LM43603 switching frequency according to the R19 resistor*
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... | ... | @@ -226,175 +113,41 @@ pin 1 for each connector is the one on the bottom left. Pin 2 is |
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directly to its right etc. The pin 7 is placed above the pin1, next to
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it is the pin 8 etc. The table Table 3 shows the used GPIO.
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<table>
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<tbody>
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<tr class="odd">
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<td><strong>ADC board connection</strong></td>
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<td><strong>MicroHeader Connection</strong></td>
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<td><strong>Zynq AP SoC Connection</strong></td>
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</tr>
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<tr class="even">
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<td>P2 pin 1</td>
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<td>pin 73 Bank 35</td>
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<td>K14</td>
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</tr>
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<tr class="odd">
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<td>P2 pin 2</td>
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<td>pin 75 Bank 35</td>
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<td>J14</td>
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</tr>
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<tr class="even">
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<td>P2 pin 3</td>
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<td>pin 74 Bank 35</td>
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<td>H15</td>
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</tr>
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<tr class="odd">
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<td>P2 pin 4</td>
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<td>pin 76 Bank 35</td>
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<td>G15</td>
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</tr>
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<tr class="even">
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<td>P2 pin 7</td>
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<td>pin 81 Bank 35</td>
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<td>N15</td>
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</tr>
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<tr class="odd">
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<td>P2 pin 8</td>
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<td>pin 83 Bank 35</td>
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<td>N16</td>
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</tr>
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<tr class="even">
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<td>P2 pin 9</td>
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<td>pin 82 Bank 35</td>
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<td>L14</td>
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</tr>
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<tr class="odd">
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<td>P2 pin 10</td>
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<td>pin 84 Bank 35</td>
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<td>L15</td>
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</tr>
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<tr class="even">
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<td>P3 pin 1</td>
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<td>pin 62 Bank 35</td>
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<td>F19</td>
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</tr>
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<tr class="odd">
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<td>P3 pin 2</td>
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<td>pin 64 Bank 35</td>
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<td>F20</td>
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</tr>
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<tr class="even">
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<td>P3 pin 3</td>
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<td>pin 61 Bank 35</td>
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<td>G17</td>
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</tr>
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<tr class="odd">
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<td>P3 pin 4</td>
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<td>pin 63 Bank 35</td>
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<td>G18</td>
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</tr>
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<tr class="even">
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<td>P3 pin 7</td>
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<td>pin 53 Bank 35</td>
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<td>H16</td>
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</tr>
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<tr class="odd">
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<td>P3 pin 8</td>
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<td>pin 55 Bank 35</td>
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<td>H17</td>
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</tr>
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<tr class="even">
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<td>P3 pin 9</td>
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<td>pin 54 Bank 35</td>
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<td>J18</td>
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</tr>
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<tr class="odd">
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<td>P3 pin 10</td>
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<td>pin 56 Bank 35</td>
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<td>H18</td>
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</tr>
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<tr class="even">
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<td>P4 pin 1</td>
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<td>pin 36 Bank 35</td>
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<td>M19</td>
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</tr>
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<tr class="odd">
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<td>P4 pin 2</td>
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<td>pin 38 Bank 35</td>
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<td>M20</td>
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</tr>
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<tr class="even">
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<td>P4 pin 3</td>
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<td>pin 41 Bank 35</td>
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<td>M17</td>
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</tr>
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<tr class="odd">
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<td>P4 pin 4</td>
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<td>pin 43 Bank 35</td>
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<td>M18</td>
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</tr>
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<tr class="even">
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<td>P4 pin 7</td>
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<td>pin 35 Bank 35</td>
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<td>L19</td>
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</tr>
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<tr class="odd">
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<td>P4 pin 8</td>
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<td>pin 37 Bank 35</td>
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<td>L20</td>
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</tr>
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<tr class="even">
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<td>P4 pin 9</td>
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<td>pin 42 Bank 35</td>
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<td>K19</td>
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</tr>
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<tr class="odd">
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<td>P4 pin 10</td>
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<td>pin 44 Bank 35</td>
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<td>J19</td>
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</tr>
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<tr class="even">
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<td>P5 pin 1</td>
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<td>pin 23 Bank 35</td>
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<td>E17</td>
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</tr>
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<tr class="odd">
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<td>P5 pin 2</td>
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<td>pin 25 Bank 35</td>
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<td>D18</td>
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</tr>
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<tr class="even">
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<td>P5 pin 3</td>
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<td>pin 24 Bank 35</td>
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<td>D19</td>
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</tr>
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<tr class="odd">
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<td>P5 pin 4</td>
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<td>pin 26 Bank 35</td>
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<td>D20</td>
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</tr>
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<tr class="even">
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<td>P5 pin 7</td>
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<td>pin 29 Bank 35</td>
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<td>E18</td>
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</tr>
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<tr class="odd">
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<td>P5 pin 8</td>
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<td>pin 31 Bank 35</td>
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<td>E19</td>
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</tr>
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<tr class="even">
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<td>P5 pin 9</td>
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<td>pin 30 Bank 35</td>
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<td>F16</td>
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</tr>
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<tr class="odd">
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<td>P5 pin 10</td>
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<td>pin 32 Bank 35</td>
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<td>F17</td>
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</tr>
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</tbody>
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</table>
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|**ADC board connection**|**MicroHeader Connection**|**Zynq AP SoC Connection**|
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|----|----|----|
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|P2 pin 1|pin 73 Bank 35|K14|
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|P2 pin 2|pin 75 Bank 35|J14|
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|P2 pin 3|pin 74 Bank 35|H15|
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|P2 pin 4|pin 76 Bank 35|G15|
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|P2 pin 7|pin 81 Bank 35|N15|
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|P2 pin 8|pin 83 Bank 35|N16|
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|P2 pin 9|pin 82 Bank 35|L14|
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|P2 pin 10|pin 84 Bank 35|L15|
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|P3 pin 1|pin 62 Bank 35|F19|
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|P3 pin 2|pin 64 Bank 35|F20|
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|P3 pin 3|pin 61 Bank 35|G17|
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|P3 pin 4|pin 63 Bank 35|G18|
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|P3 pin 7|pin 53 Bank 35|H16|
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|P3 pin 8|pin 55 Bank 35|H17|
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|P3 pin 9|pin 54 Bank 35|J18|
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|P3 pin 10|pin 56 Bank 35|H18|
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|P4 pin 1|pin 36 Bank 35|M19|
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|P4 pin 2|pin 38 Bank 35|M20|
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|P4 pin 3|pin 41 Bank 35|M17|
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|P4 pin 4|pin 43 Bank 35|M18|
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|P4 pin 7|pin 35 Bank 35|L19|
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|P4 pin 8|pin 37 Bank 35|L20|
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|P4 pin 9|pin 42 Bank 35|K19|
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|P4 pin 10|pin 44 Bank 35|J19|
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|P5 pin 1|pin 23 Bank 35|E17|
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|P5 pin 2|pin 25 Bank 35|D18|
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|P5 pin 3|pin 24 Bank 35|D19|
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|P5 pin 4|pin 26 Bank 35|D20|
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|P5 pin 7|pin 29 Bank 35|E18|
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|P5 pin 8|pin 31 Bank 35|E19|
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|P5 pin 9|pin 30 Bank 35|F16|
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|P5 pin 10|pin 32 Bank 35|F17|
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*Table 3 - GPIO connections to the Zynq*
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... | ... | @@ -402,3 +155,4 @@ it is the pin 8 etc. The table Table 3 shows the used GPIO. |
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05th of December 2016 - Nicolas Boucquey
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