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termination. A LED will signal termination status.
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- Output standard: 50 Ohm TTL drivers (with 2V/ns or faster rising
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edges).
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- SMC connectors for input and outputs.
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- 4 individually controllable outputs, with independent delay, width
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and enable/disable.
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- SMC connectors for inputs and outputs.
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- Delay circuit reacts on input rising edge. Minimum input pulse
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width: 100 ns.
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- Output pulse width is programmable in steps of system clock ticks
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(~125 MHz) with a 16-bit register per output channel.
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- Jitter will be measured by probing the positive pins of two output
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channels which have been programmed with the same delay. The sigma
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of the distribution of delay measurements between the rising edges
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of any two channels should not exceed 100 ps. This should hold for
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any programmed delay within the whole delay range.
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- Jitter will be measured by probing two output channels which have
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been programmed with the same delay. The sigma of the distribution
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of delay measurements between the rising edges of any two channels
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should not exceed 100 ps. This should hold for any programmed delay
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within the whole delay range.
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- A circular buffer will contain time tags for at least the last 100
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input pulses. These time tags will at first be rough UTC (counter
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initialized by SW) giving ~ms accuracy. Later, with a WR-enabled
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