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1 SPECIFICATIONS
DELAYS
P CHANNELS Two (2) independent outputs, with digitally controlled delay and pulsewidth.
P DELAY 0 to 99.999999 sec
P PULSEWIDTH 10 µs to 99.999999 sec
P RESOLUTION 1 µs
P ACCURACY 100 ns + .0002 x delay
P TIMEBASE 8 MHz, 50 PPM crystal oscillator
P RMS JITTER 50 ns + .0002 x period, 200 ns max
P TRIG DELAY Ext Trig to To < 100 ms
EXTERNAL TRIG / GATE
P RATE Dc to 1/ (100 µs + largest delay + period)
P THRESHOLD 3 VDc (3 mA into optoisolator)
P TRIGGER SLOPE Rising or falling edge
P GATE Active low or active high
P IMPEDANCE 1000 Ω
INTERNAL RATE GENERATOR
P MODES Single shot, burst, duty cycle, continuous, external trigger, exter-
nal gate
P RATE (To period) 1000 µs to 99.999999 sec (.01 Hz to 1 KHz) (400A) 500 µs to
99.999999 sec (.01 Hz to 2 KHz) (400B)
P ACCURACY 100 ns + .0002 x period
P RMS JITTER 50 ns + .0002 x period
BURST MODE 1 to 50,000 pulses