The OC-X87XXXXX series Micro-miniature OCXO features low-cost DIL 14 package, high vacuum sealed crystal, low power consumption (500 mW), fast warm-up time (2 minutes), Stratum3 or better stability, low aging < 3 ppm over life, very low phase noise (-160dBc/Hz TYP), HCMOS/TTL or Sine-Wave output, 8 MHz to 160 MHz frequencies available, voltage control optional and so on.