A-A-55481/1
TABLE II.
Tape characteristics.
Grade code
Standard grade
High grade (H)
(S)
Radio frequency (RF) output at 4
-1.0 dB minimum
-1.0 dB minimum
megahertz (MHz) 1/
Video
Video signal-to-noise (S/N) 1/
-1.0 dB minimum
-0.5 dB minimum
performance
Color (S/N) 1/
0.0 dB minimum
-0.5 dB minimum
Dropouts (maximum avg/min) 2/
< 15
< 10
Audio
Audio sensitivity at 1 kHz 1/
-2.0 dB minimum
-1.0 dB minimum
performance
1/ Compared to JVC's VRT-2 reference tape as specified in IEC 1105.
2/ A dropout is defined as a 20 dB or greater loss in signal output for a period of 15
microseconds.
3.4 Marking. Video recording tapes supplied to this CID shall be marked with the VHS logo
trademark and the manufacturer's standard commercial PIN.
4. QUALITY ASSURANCE PROVISIONS.
Quality assurance provisions shall be as specified in A-A-
55481.
Packaging.
Packaging shall be as specified in A-A-55481.
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6.
NOTES
6.1 PIN. The PIN should be used for government purposes to buy commercial products to this CID.
See section 2.1 for PIN format.
6.2 CAGE code. For ordering purposes, inventory control, and submission of these video
recording cassette tapes to DESC under the Military Parts Control Advisory Group (MPCAG)
evaluation program, CAGE code 58536 should be used.
Source of documents.
6.3
Commercial Item Description
A-A-55481
-
Tape, Electronic Data Processing, Cartridge, General Specification for.
(Copies of commercial item descriptions are available from the Defense Printing Service
Detachment Office, Building 4D (Customer Service), 700 Robbins Avenue, Philadelphia, PA 19111-
5094.)
Other Publications
INTERNATIONAL ELECTROTECHNICAL COMMISSION (IEC)
IEC 774
-
Helical-scan video tape cassette systems using 12.65 mm (0.5 in) magnetic
tape on type VHS.
IEC 1105
-
Reference tapes for video tape recorder systems.
(Applications for copies should be addressed to the International Electrotechnical Commission,
1 Rue De Varembe', Geneve, Switzerland.)
VICTOR COMPANY OF JAPAN, LIMITED (JVC)
JVC's Specification for VHS Video Cassette Recording Tapes.
(Applications for copies should be addressed to the Victor Company of Japan, Limited,
Intellectual Property Department, 12, 3-Chome, Moriya-Cho, Kanagawa-Ku, Yokohama 221, Japan.)
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