BS 9612 N018:1979
Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, 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
standard by BSI Group, 04/15/1979
- Comments Off on BS 9612 N018:1979
- BS