Newport 8000 - Combo Module, Laser Diode Driver (LDD) Section

102 Chapter 9 Specifications
9.1.5 Combo Module, Laser Diode Driver (LDD) Section
Specifications 8605 8610 8630
Laser Output
Output Current Range (mA)
10
0 to 500 mA 0 to 1,000 mA 0 to 3,000 mA
Output Current Resolution (mA) (16-bit) 0.0076 0.0153 0.0458
Output Current Accuracy
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0.03 + 15 µA 0.03 + 30 µA 0.03 + 90 µA
Compliance Voltage 7 Volts 7 Volts 5 Volts
Temperature Coefficient (Full Scale) < 50 ppm/°C < 50 ppm/°C < 50 ppm/°C
Short Term Stability (1 hr., Full Scale) < 10 ppm < 10 ppm < 10 ppm
Long Term Stability (24 hr., Full Scale) < 50 ppm < 50 ppm < 50 ppm
Noise/Ripple (rms)
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< 2 µA < 5 µA < 6 µA
Current Limit
Range 0 to 500 mA 0 to 1,000 mA 0 to 3,000 mA
Resolution 1 mA 1 mA 1 mA
Accuracy ± 2 mA ± 2 mA ± 4 mA
Internal Function Generator
Waveforms Sine and square wave Sine and square wave Sine and square wave
Frequency Range 1 200 Hz to 2 kHz 200 Hz to 2 kHz 200 Hz to 2 kHz
Frequency Range 2 2 kHz to 300 kHz 2 kHz to 300 kHz 2 kHz to 300 kHz
Squarewave Duty Cycle (± 5%) 50% 50% 50%
Independent Output Set-Points I
max
, I
min
I
max
, I
min
I
max
, I
min
Frequency Jitter < 1% rms < 1% rms < 1% rms
Frequency Accuracy ± 5 % ± 5 % ± 5 %
Amplitude Accuracy ± 5 % ± 5 % ± 5 %
Sinewave Total Harmonic Distortion < 2 % < 2 % < 2 %
Squarewave risetime < 500 ns < 500 ns < 500 ns
Optional Sync. Out TTL/CMOS level { Sine and square: zero-crossing sync. }
Photodiode Input
Range 0 - 5 mA 0 - 5 mA 0 - 20 mA
Stability (Full Scale, 24 hours) ± 0.02 % ± 0.02 % ± 0.02 %
Accuracy
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0.004 + 0.5
µ
A 0.004 + 0.5
µ
A 0.004 + 1
µ
A
Temperature Coefficient (% Full Scale/°C) < 0.02 < 0.02 < 0.02
Photodiode Reverse Bias (± 10%) 0 to 5 Volts 0 to 5 Volts 0 to 5 Volts
(user specified) (user specified) (user specified)
Measurement Display
Output Current Range (mA) 0 to 500.0 0 to 1,000.0 0 to 3,000.00
Output Current Resolution (mA) 0.01 0.1 0.1
Output Current Accuracy
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0.02 + 20 µA 0.02 + 200 µA 0.02 + 200 µA
Forward Voltage Range (Volts) 0.000 to 7.000 0.000 to 7.000 0.000 to 5.000
Forward Voltage Resolution (mV) 0.1 0.1 0.1
Forward Voltage Accuracy
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0.005 + 0.3 mV 0.005 + 0.3 mV 0.005 + 0.3 mV
Photodiode Current Range (µA) 5 - 5,000 5 - 5,000 15 - 20,000
Photodiode Current Resolution (µA) 0.1 0.1 0.1
Photodiode Current Accuracy
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0.01 + 0.5 µA 0.01 + 0.5 µA 0.01 + 1 µA
PD Resp. Range (µA/mW) 0.00 to 600.00 0.00 to 600.00 0.00 to 600.00
PD Resp. Resolution (µA/mW) 0.01 0.01 0.01
10
Other current ranges are available upon request - please consult with factory.
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True rms, 3 Hz to 300 kHz, ½ FS, resistive load, modulation disabled
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± (% reading + fixed error)
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