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- Date:
- 1938
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- May 08, 2025
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- VACUUM TUBES
503
heated by the passage of an electrical current through it supplied
- Date:
- 1938
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- the value obtained by dividing the plate voltage by the plate current will vary, depending
- Date:
- 1938
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- May 08, 2025
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- networks is considerably facilitated by the use of distinctive unit structures operated in
- Date:
- 1938
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- re-recorder can only be guided by ear. The nature and amount of correction must be
- Date:
- 1938
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- May 08, 2025
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- two 35 mil tracks separated by a 6 mil septum, these tracks being scanned by the usual
- Date:
- 1938
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- result of these experiments, it is now recognized by all concerned that any increase in
- Date:
- 1938
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- May 08, 2025
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- the studios by the variable slit-width method.
(b) Variable Density Recording
Recording
- Date:
- 1938
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- May 08, 2025
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- of the characteristic curve for positive stock, plus the distortion added by the noise
- Date:
- 1938
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- necessary to produce each of these tracks are accomplished by proper external connections to
- Date:
- 1938
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- caused by the action of the noise reduction system in placing the modulator in a position