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2. Noise generator - Wikipedia

   en.wikipedia.org/wiki/Noise_generator

   Zener diode based noise source. A noise generator is a circuit that produces electrical noise (i.e., a random signal). Noise generators are used to test signals for measuring noise figure, frequency response, and other parameters. Noise generators are also used for generating random numbers. [1]

3. Zener diode - Wikipedia

   en.wikipedia.org/wiki/Zener_diode

   Another application of the Zener diode is using its avalanche breakdown noise (see noise generator § Zener diode), which for instance can be used for dithering in an analog-to-digital converter when at a rms level equivalent to 1 ⁄ 3 to 1 lsb [10] or to create a random number generator.

4. Noise-figure meter - Wikipedia

   en.wikipedia.org/wiki/Noise-figure_meter

   A noise-figure meter could automate that procedure as follows: A gated broadband noise source (such as an avalanche diode) drives the device under test. A measurement is made with the noise source on; another measurement with the noise source off. From those measurements and the characteristics of the noise source, the noise figure can be ...

5. MyNoise - Wikipedia

   en.wikipedia.org/wiki/MyNoise

   MyNoise Developer(s) Dr. Ir. Stéphane Pigeon Website mynoise.net MyNoise (stylised as myNoise) is a white noise website and app created by Stéphane Pigeon. It offers many different natural soundscapes, as well as synthetic noises such as white noise. History MyNoise was created in 2013 by Stéphane Pigeon, a Belgian audio processing engineer, sound designer, and electrical engineer. By April ...

6. Hardware random number generator - Wikipedia

   en.wikipedia.org/wiki/Hardware_random_number...

   A USB-pluggable hardware true random number generator. In computing, a hardware random number generator (HRNG), true random number generator (TRNG), non-deterministic random bit generator (NRBG), [1] or physical random number generator [2] [3] is a device that generates random numbers from a physical process capable of producing entropy (in other words, the device always has access to a ...

7. Blocking oscillator - Wikipedia

   en.wikipedia.org/wiki/Blocking_oscillator

   When the absorber is in the primary circuit, e.g. a Zener diode (or LED) with voltage V z connected "backwards" across the primary windings, the current waveshape is a triangle with the time t open determined by the formula I p = I peak,m - V z ×T open /L p, here I peak,m being the primary current at the time the switch opens. When the ...

8. KG-13 - Wikipedia

   en.wikipedia.org/wiki/KG-13

   One board in the KG-13 had a black module which was a noise generator containing a Zener diode noise source. This was the only classified module because the noise was used to randomize the key stream on startup. The circuitry inside the module then used the koken chain shift registers to create an pseudo random key stream.

9. TL431 - Wikipedia

   en.wikipedia.org/wiki/TL431

   Reference voltage vs free-air temperature at test conditions. Design-center (middle plot) and worst-case deviation of ±2% (upper and lower plots) [12] The nominal reference voltage, V REF =2.495 V, stated in a datasheet, is tested in zener mode at an ambient temperature of +25 °C (77 °F), and I CA =10 mA. [13]