Questions tagged [avalanche]

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The connector circuitory for APD connection with simulating systems

I have an 230-8 series avalanche photodetector which is to be fed with high reverse bias. What mediator circuit will be required to get the signal onto my system on LabView platform? Where can I buy ...
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15 views

A Simple Model to caculate the Ionization Coefficient from the Avalanche Gain M

I got measured Data of the Avalanche Gain M (in dependence of the Electric Field E) of a APD. Is there a simple way to model the ionization coefficients a and b for electrons and holes? I know that ...
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1answer
115 views

Avalanche relaxation oscillator biasing resistor

I've tried the circuit in this article. It works very well and I've obtained 2ns clear pulses at 150 V (the main issue was to find the right avalanche voltage, which turned out to be 150-160V for my ...
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54 views

Driving Avalanche Photodiodes (PCBs)

I am using Avalanche Photodiodes and I was told that they use a much higher voltage then standard photodiodes and I was wondering if I need a High Voltage PCB to drive them? I am currently just using ...
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118 views

Does LTSPICE automatically include avalanche parameters in its power dissipation measurements?

Does LTSPICE power calculation window like this take into consideration MOSFET avalanche parameters and include them into the overall average power value? That particular image is for a resistor ...
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440 views

How do I connect an avalanche photodiode to an Arduino Uno?

I understand that there was one other question regarding avalanche photodiodes, however I am looking more for connecting my APD to a microcontroller (Arduino). https://www.edmundoptics.com/testing-...
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2answers
235 views

True Random Number Generator by using avalanche breakdown

I am trying to build a TRNG using avalanche breakdown for randomness. I am developing a circuit as looks like this.(https://web.jfet.org/images/rng-circuit.gif) Before I complete the circuit i ...
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1answer
132 views

Using and Understanding Avalanche Photodiodes

I have a low light source that I would like to convert to an electrical signal. I have tried the pin silicon photodiodes without success. I believe I need an Avalanche Photodiode to make my project ...
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2answers
315 views

What is meant by the “one-shot” avalanche rating of a transistor?

I'm using the P-channel half of an IRF7343PbF as a high-side switch to actuate the coil of a Gigavac P115 relay. I would like to be able to turn off the relay as quickly as possible after detecting ...