Specifications

Operating Manual SEFRAM 4451
M4451 A00
10
Range - 10ns to (Period - 10ns off time).
Resolution - Up to 6 digits, limited to 100 ps.
Accuracy - ±(0.5% of setting +500 ps)
Double Pulse: - ±(0.5% of setting +3 ns) for the second pulse.
DELAY
Range - 0ns to (Period – Width - 10ns off time).
Resolution - Up to 6 digits, limited to 100 ps.
Accuracy - ±(0.5% of setting +500 ps)
DUTY CYCLE
Range -1 to 99%.
Resolution -3 digits (0.1%).
Accuracy: -Limited by width and pulse accuracy.
OUTPUT CHARACTERISTICS
AMPLITUDE
High Level Range - -9.90V to +10V into 50 ohms load (-19.80V to +20V into open circuit).
Low Level Range - -10V to +9.90V into 50 ohms load (-20V to +19.80V into open circuit).
Amplitude Range - 0.1V to 10V p-p into 50 ohms load (20V p-p max into open circuit).
Resolution - 3 digits limited to 10mV.
Accuracy - ± 1% of setting ± 10 mV into 50 ohms.
Aberrations - <5% + 20mV into 50 ohms load, for pulse levels between ±5V.
Output Resistance - 50 ohms
Offset Accuracy: - ± 1% ± 25 mV.
TRANSITION TIMES
Range - <6ns to 10ms variable. Leading and trailing edges settable separately and
limited to 20:1 ratio between settings into one of the following ranges: 5ns-