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应用：
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特点：
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-
Triggering applications with TTL output
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Monitoring the output of Q-switched lasers
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Monitoring the output of externally modulated CW lasers
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-
Can generate analog or TTL output
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Contain pulse stretch feature
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Contain an adjustable trigger threshold
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Model No.
|
ET-2030TTL
|
ET-3000TTL
|
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Detector Type
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PIN
|
PIN
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Detector Material
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Silicon
|
InGaAs
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Active Area (diameter)
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0.4mm
|
100µm
|
|
Acceptance Angle (half angle)
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10°
|
20°
|
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Power Supply
|
12V DC external
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12V DC external
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Mounting (reversible tapped holes)
|
8-32 or M4 x 0.7
|
8-32 or M4 x 0.7
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Analog Output
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|
|
|
Risetime
|
<300psec
|
<175psec
|
|
Falltime
|
<300psec
|
<175psec
|
|
Sensitivity
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0.4A/W@830nm
|
0.8A/W@1.3µm
|
|
Frequency Response
|
DC-1.2GHz
|
DC-2GHz
|
|
Termination
|
50Ω external
|
50Ω external
|
|
Maximum Linear Ratings
|
3mA
|
cw current (damage) 5mA
cw power (damage) 20mW
|
|
Connector
|
BNC
|
BNC
|
|
TTL Output
|
|
|
|
Risetime
|
<8nsec
|
<8nsec
|
|
Falltime
|
<9nsec
|
<9nsec
|
|
Adjustable Trigger Threshold
|
40-500mV
|
40-500mV
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|
Threshold Monitor
|
External
|
External
|
|
Minimum Detectable Pulsewidth
|
8nsec
|
8nsec
|
|
Frequency Response
|
DC-60MHz
|
DC-60MHz
|
|
Logic High
|
>3.0V
|
>3.0V
|
|
Logic Low
|
<0.5V
|
<0.5V
|
|
Pulse Stretch (when enabled)
|
100nsec typical
|
100nsec typical
|
|
Termination
|
500Ω typical
|
500Ω typical
|
|
Connector
|
BNC
|
BNC
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