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Download docs - Measuring and test equipment,digital multimeters, analog multimeters, Fluke, Wavetek ... service manuals and repair information| File information: | | File name: | noise.pdf
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| | Original Chassis: | | | Descr: | pink nois generator | | Group: | > > | | Uploaded: | 2005-06-06 13:52:07 | | User: | toltec | | Multipart: | No multipart |
| Information about the files in archive: | | Decompress result: | OK | | Extracted files: | 1 | | File name | | Text | | noise.pdf | | Noise Generator
Strictly speaking, noise is a composite of a great number of signals at many, varying frequencies. It is a random quantity which generally has no regular or repetitive character. Although it is usually an unwanted quantity, noise may be used to analyze the performance of an audio system. A noise generator is, therefore, indispensable for much work in an audio workshop. Unfortunately, many amateur audio enthusiasts find the price of noise generator beyond their means. This is an affordable, small noise generator that is easy to build.
White or pink noise at the flick of a switch
Main parameters
Frequency range Signal output Signal source Output voltage Attenuation Power supply Current drain 20-20000 Hz White noise or pink noise Pseudo random noise generator 2 Vp-p max About 10 dB lithium battery About 4.5 mA
Parts list
Resistors: R1, R3 = 39 K R2 = 18 K R4 = 5.6 K R5 = 10 K R6, R7 = 1 M R8 = 15 K R9 = 2.2 K R10 = 46.4 K R11 = 3.01 K R12 = 10.0 K R13 = 30.1 K R14 = 33 |
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| Date | User | Rating | Comment | | 05-01-2007 | montanaro | 9 | lots of details..easy circuit |
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