Micro Miniature OCXO ECM VFT8 Series § § § § § § Smallest OCXO Available Extremely Low Power Consumption Very Fast Warm-up Low Phase Noise Low Aging Surface Mount Option (VFT8SM) Parameter Frequency Range Frequency Stability Aging per Day Per Year Allan Variance SSB Phase Noise 10Hz 100Hz 10kHz Retrace G-sensitivity Input Voltage Input Current (Typ) 0 Steady state 25 C 0 Steady State -30 C Start up Current Load Warm-up Time Output Waveform Control Voltage Pulling Range Deviation Slope Setability Temperature 0 0 A= 0 C to 50 C 0 0 B= -10 C to 60 C 0 0 C= 0 C to 70 C 0 0 D= -20 C to 70 C 0 0 E= -30 C to 70 C 0 0 F= -45 C to 85 C VFT8 4.80 to 50.0MHz +/-100ppb max 5ppb max 5E-10 1E-7 1E-11 vs Temp vs Supply After 30Days 0.1s to 10s -120dBc/Hz -145dBc/Hz -160dBc/Hz +/-20ppb max After 30 mins +/-1ppb/G max Worst Direction 5V +/-5% 12V Option Vcc 5V Vcc12V 35 / 20 max 25 mA 12 mA 70 mA 35 mA 100 mA 200 mA 10K ohm //15pF 35s typ to 0.1ppm 20s Vcc 12V 3.3V HCMOS /TTL Compatible 0V to 4.1V +/-0.5ppm to +/-1ppm from nominal 0.4ppm/V monotonic positive 0 1.0V min 3.0V max @ 25 C Fnom Stability 17= 58= 28= 18= 59= YZ -7 1x10 -8 5x10 -8 2x10 -8 1x10 -9 5x10 -z Yx10 Aging L= S= P= -9 1x10 /Day -10 5x10 /Day -10 2x10 /Day A B C D E F G H 12.7 9.27 14.3 10.9 6.35 7.62 15.2 7.62 Dimensions in mm Pin 1 Vc 2 Vref 3 Tristate VFT8H A 17 L Supply 5= 2= 4 Case Gnd 5 O/P 6/7 N/C 8 Vcc 2 10.0M Frequency 5V 12V ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: [email protected] Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to discontinue any product or make design changes we believe necessary. Issue 2