Search Engine

Dark Current

Add Question

40 Threads found on Dark Current
how can see the dark current vs illuminate current in silvaco atlas. please help region num=5 material= InP y.min=2.3 region num=6 material=air y.min=-0.3 y.max=-0.1 electrode name=anode material= aluminum x.min=16 x.max=19 y.min=-0.3 y.max=0.1 electrode name=cathode material= aluminum y.min=5.7 y.max=5.75 doping uniform conce
i try to simulate an avalanche photo diode by silvaco atlas. how can see the dark current and illuminate current? if i need to use another solving method help me please. region num=5 material= InP y.min=2.3 region num=6 material=air y.min=-0.3 y.max=-0.1 electrode name=anode material= aluminum x.min=16 x.max=19 y.min=-0.3 (...)
please share me the source code for finding the dark current for the ZnO/p-Si heterojunction photodiode.
I’d just use a sepic, close the loop on input current, so have an external error amplifier “Looking” at the input current……set the reference voltage on the error amplifier to give you your 0.6A……use the micro to monitor the actual current being drawn……..when its dark, it (...)
hi, You know the value of the load resistor in the emitter, measure the voltage across the Load for Light and dark currents. I=V/R If you want to measure the pulse currents use an oscilloscope. E
I have made dark sensing circuit using one LDR, 390 ohm and 100 kilo ohm resistor, 2N3904 transistor, white LED and 9V battery? But the problem is that, when I turn on the switch in the presence of light or in its absence the LED is glowing everytime? Why is my circuit not sensing light or working as expected? Give me suggestions. My circuit d
How the dark current can be improved in terms of layout and process
Behind the basics there are some nuances that relate to things like suppressing / minimizing RTS (RTN) noise, field control and so on. Applications which need very low dark current and cryo operation care a lot about this; a receiver for short haul fiber optics, less so. Give some thought to your application care-abouts, and the literature may h
Hello, Does the ?dark current? of the TCLT1003 optocoupler increase as the opto ages or gets hot??if so, by how much? (the datasheet doesn?t say) TCLT 1003 datasheet We are using the opto with the opto-transistor in common emitter connection, and it acts as a switch to turn ON/OFF a PFET??We
I have made a dark Sensor circuit and My Circuit stops responding to the light change after some time, i cant find the error pls help....I have also attached the schematic and board layout This circuit does not flip from on to off or from off to on, the relay pulls when the transistor current builds up whe
Hello guys, I have 2 of R7600-03-M64 MaPMT from Hamamatsu. and I want to test is. First at all I want to measure the dark current, so I make a black box and I put the PMT inside and with an osciloscoppe with 50Mohm termination I connect 3 random pixels (8, 31, 62). I power up the MaPMT with PS325/2500V-25W from Stanford
Hi I'm working on a problem here and i'm still quite new to electronics however i read up as much as i can everyday while waiting for my parts to arrive by mail. In the project ( a multi stage coilgun) i need to switch a coil on using a "dark sensor" when the bullet blocks the light coming to the sensor in question. the coil will receive about
1.15^50 . A factor of ≈1000 for 50 of temp. rise is reasonable for leakage (or dark) current in silicon.
This is a many-layered question and one which simulation can only approximate. Minimum detectable, vs minimum -reliably- detectable, just by itself, has dark current, telegraph noise, detector circuitry threshold / noise contribution aspects. Not that almost all of these push into areas that often are poorly modeled or not well modelable (...)
A photodiode has less capacitance when it is reverse-biased. Then light on it causes its leakage current to increase. It will have a small amount of "dark current" that is spec'd on its datasheet. A photodiode without reverse bias operates like a tiny solar cell and generates a voltage and current.
... can't find his computer in the dark because the lights don't work :lol: Brian.
At the other input you could inject a current to compensate the dark current of the photo diode - or the DC part of the photo current, if this were constant, and such compensation useful for your application.
hello...i am working on SPADs...i am not getting exat idea about the various concentration used in the device to reduce the dark current and after pulsing probability...also i have to get uniform electric field using the guard ring technique....please suggst me how to solve my problem??
exceeding the rated voltage to measure leakage can cause induce faults as well as similar voltage ESD. Measuring to 5 decimal places seems ludicrous. PD arrays have a dark current due to background radiation and noise.
hye, can someone give an example on how to write the source code to get dark current? i try to search in the internet, but i didn't get any source code of dark current for PIN Photodiode. thanks :)