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BSI Group, 04/17/2007
Publisher: BS
File Format: PDF
$144.00$288.89
Published:17/04/2007
Pages:33
BS 939. Engineers' squares (including cylindrical and block squares). Specification
$144.00 $288.89
Detail specification for cold welded seal quartz crystal units for oscillator applications. DN, 47 U/2, DQ and DP enclosures, 0.8 to 20 MHz and 3.0 to 30 MHz frequency ranges. Fundamental thickness-shear mode, AT-cut, for operation over wide temperature ranges (non-temperature controlled). Full assessment level
$90.00 $180.34
Detail specification for cold welded seal quartz crystal units for oscillator applications. DN, 47 U/2, DQ and DP enclosures, 17 to 75 MHz frequency range. Third overtone thickness-shear mode, AT-cut, for operation over wide temperature ranges (non-temperature controlled). Full assessment level
$76.00 $152.40
Detail specification for solder-sealed quartz crystal units for oscillator applications. AA, BF, CX and BC/1 enclosures, 0.8 to 20 MHz and 3.0 to 30 MHz frequency ranges. Fundamental thickness-shear mode, AT-cut, for operation over wide temperature ranges (non-temperature controlled). Full assessment level
Rules for the preparation of detail specifications for semiconductor devices of assessed quality: microwave avalanche oscillators (pulse operation)
$125.00 $251.46
