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Out V
Low Amplitude
– LVDS output voltage amplitude is set to 510mV pk-pk
High Amplitude
– LVDS output voltage amplitude is set to 710mV pk-pk
OutEdge
Falling Edge
– Data outputs are changed on the falling edge of DCLK+ (Single Data rate mode only)
Rising Edge
– Data output are changed on the rising edge of DCLK+ (Single Data rate mode only)
DDR
Disable Dual Data Rate
– DDR Mode is disabled (data output follows OutEdge Setting)
Enable Dual Data Rate
– Data is output with rising and falling edge of DCLK (
Default for 1.5GHz clock
)
DES
Disable Dual Edge Sample
– DES Mode is disabled.
Enable Dual Edge Sample
– This Feature is not available on the single channel device
FSR
650mV Full Scale
– Sets the full scale range to 650mV pk-pk
870mV Full Scale
– Sets the full scale range to 870mV pk-pk
The Following Pull-down Tabs are available whether the Control mode is Hardware or Serial
Standby
Disable Standby
– Enable all on-board power regulators
Enable Standby
– Board is put into standby mode – All power is shutdown except USB power
PDQ
Disable Q Shutdown
– Q Channel is not available
Enable Q Shutdown
– Q Channel is not available
PD
Disable Shutdown
– The ADC is powered up and Active
Enable Shutdown
– The ADC is put into low power mode. Register Settings are retained
DC_Coup
AC Coupling
– The I Channel is AC coupled to the ADCs input
DC Coupling
– The I Channel is DC coupled to the ADCs input (not available on AC only model)
Ext_Clock
Internal Clock
– The ADC is clocked using the on-board 1.5GHz clock
External Clock
– The ADC is clocked from an External clock source connected to the “CLOCK” input.
Содержание ADC081500DEV
Страница 6: ...6 www national com 7 0 Schematic Drawing ADC081500DEV Onboard Clock VCO PLL ...
Страница 7: ...7 www national com 7 1 Schematic Drawing ADC081500DEV Analog Inputs I Q Digital Trigger Input ...
Страница 8: ...8 www national com 7 2 Schematic Drawing ADC081500DEV ADC connected to Virtex4 FPGA ...
Страница 9: ...9 www national com 7 3 Schematic Drawing ADC081500DEV USB Interface ...
Страница 10: ...10 www national com 7 4 Schematic Drawing ADC081500DEV Power Supplies 1 ...
Страница 11: ...11 www national com 7 5 Schematic Drawing ADC081500DEV Power Supplies 2 ...
Страница 12: ...12 www national com 7 6 Schematic Drawing ADC081500DEV Expansion Header Interface ...
Страница 13: ...13 www national com 8 0 Bill of Materials Page 1 of 2 ...
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Страница 22: ...22 www national com 10 3 System Block Diagram ...