News

The increasing demand for high-speed and accurate optical detection systems has driven advancements in the design of photodetectors and related signal processing circuits. A widely used approach to ...
The author presents a MOS linear image sensor having a high-voltage gain amplifier in photodiode pixels. The only difference between the amplified MOS image (AMI) and this new device is the transfer ...
Just looking at the values I think there is some BS going on here. [Let’s] use a current source square wave generator for the photodiode and look at the transient response. I model the R1,R2,R3,R4 ...
Fig. 1 shows the circuit of the fire sensor, while Fig. 2 shows pin configurations of SCR BT169 and photodiode. Fig. 1: Circuit of the photodiode based fire detector. The photodiode used in infrared ...
I was inspired by a DET110 from Thorlabs that I've previously used in a university lab to build a miniature version of such a useful detector. A simple photodiode detector is based around a reverse ...
Researchers developed a single photodiode sensor that detects full-color light using perovskite materials, impedance data, and machine learning algorithms. ( Nanowerk Spotlight ) Conventional ...
The instinctive reaction when measuring nuclear radiation is to think of a Geiger counter, as the low-pressure gas tube detectors have entered our popular culture through the Cold War. A G-M tube i… ...
That isn’t the only way to measure gamma radiation, though, and [Alan] has a great circuit to measure even relatively weak radiation sources. It uses a very small photodiode, and draws so little ...
The author presents a MOS linear image sensor having a high-voltage gain amplifier in photodiode pixels. The only difference between the amplified MOS image (AMI) and this new device is the transfer ...