GigaBaudics可编程数字衰减器PDDL5

GigaBaudics可编程数字衰减器PDDL5

MODEL：PDDL5

Signal rate: 0 to 5 Gb/s (DC to 2.5 GHz)

Range: step size times 1024 (10 bits)

Step size: 5, 10 or 20ps

Accuracy: +/-1 LSB

Temperature sensitivity: <0.4 ps per 0F at 700F

INPUT threshold: adjustable：adjustable -1.7 to -0.9

INPUT termination:50 ohms to -2.0V

Insertion delay: approx. 2.0 ns (0 ps programmed delay)

INPUT requirements:High >Vth + 0.2

                   Low < Vth -0.2

Slew rate:>2 volts/ns 

minimum input pulse width ：200ps

Control signal setup time: 1.5ns

Control signal propagation delay:15 ns

Delay-state switch time: <30 ns

Output termination: 50 ohms to -2.0V

Output high: >-0.85 (50 ohms to -2.0)

Output low: <-1.75 (50 ohms to -2.0)

Rise time (20 to 80%): <90 ps

Fall time(20 to 80%): <85 ps

Output current source: 17 mA

Output current sink: 0 mA

Total jitter:<10 ps

Power requirements:-5.2+0.05 volts, 0.5 Amps

Warm up time:10 minutes to reduce drift

Physical Dimension:5.15 x 3.1 x 0.71 inches