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Introduction and Specifications
760A / 760D / 760N
1–5
Table 1–3: Electrical Characteristics (Cont.)
Characteristic
Perf Check
Step No.
Supplemental InformationPerformance Requirement
Display Range
760A –Normal
–Expanded
+8 dB to –45 dB
5 dB to –11 dB
760D –Normal
–Expanded
+5 dB to –50 dB
–5 dB to –13 dB
760N –Normal
–Expanded
+15 dB to –36 dB
+3 dB to –6 dB
Scale
760A
760D
760N
dB linear from +8 to 20 dB.
Progressively compressed.
dB linear from +15 to –24 dB.
Resolution
760A
0.4 dB/segment, from +8 to20 dB. 0.04
dB/ segment with EXPAND SCALE
depressed.
760D 0.25 dB/segment from 0 to +5 dB, tapering
to 2dB/segment from –40 to –50 dB. 0.125
dB/ segment with EXPAND SCALE
depressed.
760N 0.5 dB/segment, from +15 to –24 dB. 0.1
dB/ segment with EXPAND SCALE
depressed.
Accuracy 0.3 dB at 0 dB and 1 kHz 3
Peak Hold Indicated peaks held approximately 3
seconds.
9
Attack/Decay Dynamics Conforms to DIN 45 406. 760N also
conforms to Technical Recommendation
N9.
Frequency Response
760A
760D
760N
"0.5 dB, 20 Hz to 20 kHz:
+8 to 20 dB
+5 to 20 dB
+15 to 18 dB
11
Gain Match 0.3 dB. 12
Crosstalk A full–scale indication on any bar
causes no indication on any other
bars.
SELECT set to AUX. 13