Cerna Mini Microscopes
Chapter 6: Specifications
Rev. D, July 9, 2018
Page 19
LED Forward Voltage
11 V (Min)
12 V (Typical)
Current Ripple
8 mA
Current Ripple Frequency
570 kHz
Modulation Mode
2
Frequency Range
0 - 5 kHz, Sine Wave
Modulation Form
Arbitrary
Input Voltage Rate
0 - 5 V
Slew Rate
13.6 mA/µs
Decay Rate
13.1 mA/µs
Trigger Mode
2
Frequency Range
0 - 1 kHz
Duty Cycle Range
20 - 80% @ 1 kHz
2 - 98% @ 100 Hz
0.2 - 99.8% @ 10 Hz
Modulation Form
Square Wave / PWM
Logic Input Levels
TTL
Min H-Level: 2 V
Max L-Level: 0.55 V
Slew Rate
18 mA/µs
Rise Time
51 µs
Decay Rate
12 mA/µs
Fall Time
79 µs
General Data
Power Supply
15 VDC
Maximum Power Consumption
15 VA
Operating Temperature
0 to 40 °C
Storage Temperature
-40 to 70 °C
Weight
240 g
Dimensions (W x H x D)
60 mm x 73 mm x 104 mm
2
Specifications for the modulation and trigger modes depend on the forward voltage and capacitance of
the connected LED.
Summary of Contents for Cerna Series
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