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The BNC 555-4C Digital Delay-Pulse Generator provides multi-channel 1 ns-resolution timing, delaying, gating, pulsing and syncing functions for a very low price without compromising quality. There are many practical modes of operation and features in addition to the traditional digital delay and pulse generator modes. Each channel provides both delays and widths – so a 4-channel Model 555 provides the same delay and width functionality of competitive 8-channel units. This Digital Delay/Pulse Generator provides precise delays and widths with 1 ns resolution for times up to 100 seconds. These pulses are synchronized to a common trigger or an internal trigger. This is particularly useful where several pulses or gates need to be delayed and timed with respect to each other or the common trigger. In addition to standard Digital Delay and Pulse Generator features, the Model 555 offers many unique modes. Specifications. Timing Delay: 0 to 99.999999999 seconds with 1 ns resolution. Timing Width: 10 ns to 99.999999999 seconds with 1 ns resolution. Accuracy: 1 ns + 0.0001 x time. RMS Jitter: 1 ns. Trig Delay: Ext. Trig to T0 < 250 ns. Trigger Modes: External Trigger, External Gate, Internal(continuous), single shot burst, duty cycle. External Trigger/Gate: Opto-isolated input circuitry. Rate: 0 to 1.0 MHz. Threshold: 3 V. Trigger Slope: Rising or falling edge, selectable. Gate: Active low or active high, selectable. Impedance: 1000 ohms. Internal Rep Rate Generator: Rate: 0.01 Hz to 1 MHz. Accuracy: 1 ns + 0.0001 x period. RMS Jitter: 1 ns. Burst Mode: 1 to 50,000 pulses. Option G: GPIB
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