SC Cut Doubly Rotated Quartz Crystal Blanks For Oven Stabilized Oscillators
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SC Cut Doubly Rotated Quartz Crystal Blanks For Oven-Stabilized Oscillators
A special cut (Stress Compensated) developed in 1974, is a double-rotated cut (35°15' and 21°54') for oven-stabilized oscillators with low phase noise and good aging characteristics. Less sensitive to mechanical stresses. Has faster warm-up speed, higher Q, better close-in phase noise, less sensitivity to spatial orientation against the vector of gravity, and less sensitivity to vibrations.[53] Its frequency constant is 1.797 MHz⋅mm. Coupled modes are worse than the AT cut, resistance tends to be higher; much more care is required to convert between overtones. Operates at the same frequencies as the AT cut. The frequency-temperature curve is a third order downward parabola with inflection point at 95 °C and much lower temperature sensitivity than the AT cut.
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Product Tags: Doubly Rotated Quartz Crystal Blanks SC Cut Quartz Crystal Blanks Oven Stabilized Oscillators Quartz Piezoelectric Wafer |
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