User guide

Model 577 Operating Manual 28
Delay Accuracy
10 ns + (0.0001 x delay)
Delay Resolution
250 ps
Jitter (channel to channel)
< 250 ps RMS
Output Multiplexor
Any/all channels may be OR’d to any/all outputs.
Time Base
Same as internal rate generator
Channel Output Modes
Single, Normal, Burst, Duty Cycle
Burst Mode
1 to 1,000,000 pulses
Duty Cycle Mode
1 to 1,000,000 pulses on and/or off
Wait Counts
1 to 1,000,000 pulses
Channel Control Modes
Internally triggered or external gated. Each channel may be
independently set to either mode.
Standard Features
Communications:
USB
USB 1.0 Standard
RS-232
DB-9 Connector using RS-232 Communications Standard
External Clock In
External Clock Input Voltage
10 MHz – 100 MHz user selectable in discrete values
2.5 V - 5 V(Max)
External Clock Out
To or Ref out (10 to 100MHz) user selectable in discrete values
System Options
DT15
Dual Trigger Logic – provides additional trigger via gate input
COM
Extended Communications – Adds Ethernet & GPIB
SRM
Single Rack Mount
DRM
Dual Rack Mount
General
Storage
16 storage bins
Dimensions
10.5” x 8.25” x 5.5”
Weight
8 lbs
Power
100 - 240 VAC 50/60 Hz 3 A
Fuse
(Qty 2) 3.15A, 250 V Time-lag
Temperature
Operation
0 – 40 °C (32 – 104 °F)
Transportation & Storage
-40 – 70 °C (-40 – 158 °F)
Module Specifications
TTL/Adjustable Dual Channel Output Module (Standard)
TTL/CMOS Mode:
Output Impedance
50 Ohms
Output Level
4.0 V typ into 1 Kohm
2.0 V typ into 50 ohm
Rise Time
2.8 ns typ (10% - 90%)
Slew Rate
> 0.5 V/ns
Jitter
50 ps RMS channel to channel
Adjustable Mode:
Output Impedance
75 Ohms
Output Level
2.0 to 20 VDC into 1 Kohm
0.8 to 8.0 VDC into 50 ohm