YH1518: Low Phase Noise Miniature VHF OCXO
•Datasheet: YH1518: Low Phase Noise Miniature VHF OCXO
By combining precision crystal technology with a low noise oscillator and multiplier, Greenray Industries has developed a family of miniature Ovenized crystal oscillators that provides excellent noise performance up through 250 MHz.
The low noise characteristic of these OCXO's is facilitated by using a precision SC cut crystal. These crystals provide a High Q to reduce the noise close to the carrier yet withstand the high drive levels necessary for a low noise floor. The oscillator circuit then drives a low noise frequency multiplier to increase the frequency up to as high as 250 MHz. A thermally enhanced internal assembly allows the circuit to be housed in a relatively small 1.06 x 1.42 x 0.5" hermetic package while still maintaining excellent frequency stability.
Operating from a supply voltage of 12Vdc, the typical temperature stability is ±0.07ppm over -40° to 70°C. A Sinewave output of 3dBm minimum ( 6dBm typical) is provided.
The model YH1518 can be ordered at any frequency between 110 MHz and 250 MHz. This unit is well suited for applications such as frequency translation, LO sources and clocking of high speed data converters and gate arrays.
Features:
- Very Low Phase Noise Sinewave Output
- Small 1.06x1.42x0.49" Package
- Precision Doubly Rotated Crystal
- Available up to 250MHz
- Acceleration Sensitivity < 1x10-9 per g
- Hermetically Sealed Case
- ROHS Compliant Available
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•Datasheet: YH1518: Low Phase Noise Miniature VHF OCXO