Octal Gate and Delay Generator – Ortec

The GG8020 Octal Gate and Delay Generator provides a compact and versatile solution for gating and coincidence logic requirements in large experiments, or in measurements requiring multiple delays and pulse widths. It contains eight independent channels of gate and delay generators in a single-width NIM module.

Each channel accepts NIM-standard, fast negative logic pulses at its input. The leading edge of the input signal triggers a delay period that can be adjusted separately for each channel. At the end of the delay period, an output pulse is generated. The width of this output pulse can be adjusted independently for each channel. Delay ranges from 70 to 1000 ns, or from 0.4 to 10 µs can be selected separately for each channel by one of eight jumpers on the printed wiring board. A second set of eight jumpers independently select ranges from 70 to 1000 ns, or 0.4 to 10 µs for the output pulse widths.

GG8020 Octal Gate and Delay Generator features:

• for adjusting the delay and widthof coincidence and gating pulses
• eight, independent, duplicatechannels in a compact package
• ttl outputs and nim-standardfast-negative outputs
• output delays independentlyadjustable from 70 ns to 10 µs
• output widths independentlyadjustable from 70 ns to 10 µs
• output delay adjustable from 1000 ns, or from 10 µs. temperature coefficient <0.04%/°c from 0 to 50°c.
• output pulse width adjustable from 1000 ns, or from 10 µs. temperature coefficient <0.04%/°c from 0 to 50°c.
• dead time typically equal to the delay plus the output pulse width plus 20 ns.
• delay jitter <0.04% of the selected delay.

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