AA501: Difference between revisions
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==Links== | |||
* [[Media:Tekscope_1980_V12_N3.pdf|Tekscope V.12 No.3 1980 p.14+ - Bruce Hofer, Automatic Distortion Analyzer Speeds Distortion Measurements]] | |||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
Tek aa501 close.jpg | Tek aa501 close.jpg | ||
Tektronix-AA501-SG502.JPG|Measuring distortion of an SG502 | |||
Tektronix-AA501-HP239A.JPG|Measuring distortion of an HP239A | |||
</gallery> | </gallery> | ||
[[Category:Manual_needed]] | [[Category:Manual_needed]] | ||
Revision as of 03:43, 5 September 2021
The Tektronix AA501 is a audio analyzer plug-in for the TM500 system.
It provides automated measurement of THD+N and levels (RMS responding) in the range of 10 Hz to 100 kHz. Harmonics are measured up to 300 kHz. It has four built-in weighting filters and allows the user to loop an external filter in. Option 01 adds intermodulation measurement. Input impedance is 100 kΩ and unlike other analyzers with usually 1 MΩ or near-infinite input impedance. Internal THD in the audio band is specified as typically <-95 dB (0.0018 %). Residual THD+N is specified as <-90 dB (<0.0032 %).
It was one of the first, if not the first, audio analyzer capable of fully automatic measurements without requiring manual reference level setting, range selection or frequency fine-tuning. It is ideally combined with the SG505 low distortion oscillator.
The AA501 is two slots wide.
Key Specifications
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Links
Pictures
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Measuring distortion of an SG502
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Measuring distortion of an HP239A
