General Radio Company 1382 Generatore
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Modello:
1382
Data:
1968
Categoria:
Gruppo:
Descrizione:
RANDOM - NOISE GENERATOR 20 Hz - 5 0 kHz
Informazioni
The Type 1382 Random-Noise Generator (Figure 1-1} provides a
high level of electrical noise at its output terminals. This
type of signal is useful in room-acoustics studies,
loudspeaker and microphone tests, psychoacoustic tests,
Filter tests, crosstalk measurements, calibration checks on
recording systems, modulation of signal generators and test
oscillators, shaker-driven vibration tests, and airborne
vibration tests. It can also be used for tests of the rms
response of meters, observation of resonances in systems,
electrical averaging of resonant responses, comparisons of
effective bandwidths, and for other tests when a signal with
a high peak-to-rms factor is
useful, as in overload testing. The choice of spectra and
the provision of a balanced output make the Type 1382
Random-Noise Generator particularly suitable for audio and
acoustical applications. A pair of these generators can be
used as signal sources for the demonstration of various
degrees of correlation, possible errors of random sampling,
and other concepts of statistical theory.
A companion instrument, the Type 1381 Random-Noise
Generator, produces white noise over the range from 2 Hz to
upper cutoff frequencies of 2, 5, or 50 kHz. Its output
noise can be clipped, if desired, at 2, 3, 4, or 5 a.
Tipo di manuale:
Servizio e manuale utente
Pagine:
35
Dimensione:
7.66 Mbytes (8033843 Bytes)
Lingua:
english
Revisione:
ID del manuale:
1382-0100-A
Data:
1968 04 01
Qualità:
Documento scansionato, tutto leggibile.
Data caricamento:
2016 12 29
MD5:
c9b701accd287fd6d6ab272e413c9fff
Scaricamenti:
485
Informazioni
. 19
Section 8 APPLICATIONS ... 21
6.1 General ... . 21
6.2 Use of Noise in Electrical Testing ... 22
6.3 Use of Noise in Acoustical and Psychoacoustical Testing
... . 23
6.4 Vibration Testing ... 23
6.5 Demonstrating Statistical Properties ... 23
Section 7 SERVICE AND MAINTENANCE ... 25
7.1 Warranty ... 25
7.2 Service ... 25
7.3 Minimum-Performance Standards ... 25
7.4 Trouble Analysis . , . ... 26
7.5 Recalibration 26
7.6 Knob Removal 27
7.7 Knob Installation, 27
7.8 Pilot-Lamp Removal. , . , ... 27
SCHEMATIC ... 29
PARTS LIST ... • ... 30