John Gilmore, Lu Cheng, Hamamatsu Corporation Scott Hunt, Analog Devices, Inc. December 15, 2018. Download InGaAs linear sensor reference circuit design tech note. Download Driver Circuit for Image Sensor Control Library. Download IGAA-REF AFE sensor board design files. Download IGAA-REF AFE sensor board schematic. Download IGAA-REF PC Software. Hamamatsu Photonics K.K. Harness climate action. As a driver of innovation, competitiveness, risk management and growth. Take action @WMBtweets37 minutes ago. Operating System Driver Provider Driver Version; Download Driver: Windows XP (64 bit) Hamamatsu Photonics K.K. 3.0.0.4260 (3/06/2013) Download Driver: Windows Server 2003 (64 bit).

Section 9: Test Results

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• Viewing software specially designed for digital slide observation. Allows making observations just as if operating a microscope.

9A. Timing Operations and Analog I/O Signals

This is the timing diagram of the G9201~8 and G9211~4 sensors. The integration time is set by the Reset input pulse width. Each pixel is being read out every 8 clocks.

In the software interface, the pixel format, readout mode, integration time, temperature, bias voltages, and the number of line data to be written can be defined.

Pixel Number Select: 256 or 512.

For a 512-pixel array, there are two video output ports on the sensor chip: even and odd. Three readout modes are designed to read out from the sensor depending on the different multiplexer timing:
Multiplexer Timing (1) – Even/Odd simultaneous (parallel)
Multiplexer Timing (1a) – Non-Return to Zero (stagger)
Multiplexer Timing (2) – Clock burst with return to zero between pixel reads (bursts) – the same as C8062, the standard InGaAs multichannel detector head offered by Hamamatsu

The three different timing modes are tested, and the timing diagrams and test results are shown in Figures 9-3 to 9-18.

9B. Dark Stability

To verify the dark output is stable over time, indicating the InGaAs sensor cold-side temperature is stable at 0 deg. C., 600 scans are collected at 1 second integration time in the dark and the standard deviation is calculated for each pixel. Note: The level grouping is caused by Even/Odd CMOS ROIC variation. This is normal Even/Odd output pattern.

The readout noise was measured at 1 millisecond (msec) integration time.

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Since the unity gain and the 5V reference voltage of ADC are used, one LSB represents 76.3µV. The readout noise is in the range of 300µV~600µV.

9D. Linearity

As airbags are one-time use only and have to be replaced in the garage after deployment, this system also helps to save money. It avoids unnecessary airbag deployment, for example, in seats where there are no passengers and therefore avoids the need to replace them.

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Besides airbags, occupant detection and monitoring is also necessary for other advanced driver assistance systems (ADAS). Some cars, for example, use seat-belt tightening as a pre-crash safety measure in the case of an accident, which requires occupant information. In addition, fatigue detection can be performed by monitoring eye movements and blinking frequency using a camera. Monitoring the driver’s activity becomes an important topic when considering the future direction to automated driving, as the driver will be allowed to do other things besides the actual driving task, such as reading or working with a tablet. It is therefore crucial that the take over time from automated driving mode to manual driving will be short enough, in case of an emergency situation, if the system is not completely autonomous.

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Our TOF CMOS sensor works with an indirect time of flight (TOF) measurement as a 3D sensor. It can therefore deliver the information about the occupants’ position or about the driver’s activity or fatigue. An infrared laser diode or LED, or an array of these, is used as active illumination and sends out short light pulses. The CMOS sensor determines the time of flight of the reflected, incident light with each of its pixels, creating a 3D picture. This CMOS sensor is a special, high-speed charge transfer device, which is essential to measure short distances. The light pulse travels with a high speed of 3*108 m/s to the object and back. The closer the object, the shorter is the time of flight. Therefore the detector must be able to do the whole measurement within several nanoseconds.