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Appendix A: Specifications
Table A 1: Electrical characteristics (Cont.)
Characteristics
Event output
Connector
Level
High level (V
)
hi
Low level (V
)
lo
Delay time
Pulse width
Impedance
Sync output
Connector
Level (typical)
High level (V
)
OH
Low level (V
)
OL
Trigger Input (typical)
Delay time from external trigger
input signal (typical)
Delay time to clock out and
data out (typical)
Pulse width (typical)
Impedance (typical)
Trigger input
Connector
Threshold level
Resolution
Threshold accuracy
Minimum pulse width
Sensitivity
Impedance
Polarity
Maximum input
Trigger holdoff
A 4
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Description
BNC at rear panel
Approximately 5 V into 1 MW
Approximately 2.5 V into 50 W
Approximately 0 V into both 1 MW and 50 W
194.5 to 214.5 clocks before data output change. Refer to T
180 to 200 clocks. Refer to P
W2
50 W
BNC at rear panel
Approximately 5 V (into 1 MW)
Approximately 2.5 V (into 50 W)
Approximately 0 V (into both 1 MW and 50 W)
55 ns + 8/F
x T
x 55 ns + 12/F
clk (GHz)
d1
Internal Reference. Refer to T
d1
1.5 Clocks, Refer to T
in Figure A 3 on page A 9.
d2
32 or 36 clocks. Refer to P
in Figure A 3 on page A 9.
W1
50 W
BNC at front panel
-5.0 V to +5.0 V, +1.4 V at default
0.1 V
(± 5 % of setting) ± 0.1 V
y 10 ns
y 0.5 V
p p
50 W ± 2 W
1 kW ± 100 W
Positive or Negative
± 10 V into 1 kW
± 5 V into 50 W
Minimum 100 ns
in Figure A 3 on page A 9.
d5
in Figure A 3 on page A 9.
(Typical)
clk (GHz)
in Figure A 3 on page A 9.
DG2040 Data Generator
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