OX-222

Preliminary Oven Controlled Crystal Oscillator OX-222 OX-222 Description The OX-222 is part of a series of oscillators specifically designed to support Timing Over Packet applications, in particular 15882008 based frequency and phase reference systems. The OX-222 is stratum 3E compliant. Features • • • • • Available in three standard frequencies (10MHz, 12.8MHz and 20MHz) Excellent temperature stability Superior long term stability Optimised to support Timing Over Packet applications Stratum 3E compliant according to GR1244 • • • Applications SETS clock support Wireless Base Stations Edge and Core Routers Performance Specifications Frequency Stability1 Parameter Over all stability (df/f0) Holdover Drift Temperature stability (df/f ) Initial Tolerance (df/f0) vs. supply voltage change (df/f ) vs. load change (df/f ) vs. aging / daily (df/f ) vs. aging / month (df/f ) vs. aging / year (df/f ) vs. aging / 10 years (df/f ) Min Typ Max ±4.6 10 ±0.8 ±10 ±500 ±5 ±5 ±1 ± 25 ± 100 ±1 Units ppm ppb ppb ppb ppb ppb ppb ppb ppb ppb ppm Notes Free run accuracy Over 24 hours and 400C window Over 24 hours and ±2.80C -40 to 850C @250C static; 3.3V ± 5% static; Load ± 5% after 30 days; @250C after 30 days; @250C after 30 days; @250C after 30 days; @250C Phase Stability Parameter Jitter MTIE 1s MTIE 10s MTIE 100s MTIE 1000s 0.2 2.0 10.0 40.0 Min Typ Max < 1.00 Units ps rms ns ns ns ns Notes @12kHz to 20MHz Wander Generation per GR1244, system performance when locked through a 1mHz loop bandwidth, see typical performance data. Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com Page1 of 4 Performance Specifications Phase Stability (continued) Parameter TDEV 1s TDEV 10s TDEV 100s TDEV 1000s Min Typ 0.015 0.13 1.5 5.0 Max Units ns ns ns ns Notes Wander Generation per GR1244, system performance when locked through a 1mHz loop bandwidth, see typical performance data. Phase Noise Parameter Phase Noise at 1 Hz Offset Phase Noise at 10 Hz Offset Phase Noise at 100 Hz Offset Phase Noise 1 kHz Offset Phase Nosie at 10 kHz Offset Signal Load Fan out Rise Time Fall Time Duty Cycle V Low V High Supply Voltage (VS) Current consumption Current consumption Warm Up Time ROHS Washable Min Typ -85 -110 -130 -143 -150 LVCMOS 15 3 < 10 2.4 Max -60 -90 -115 -130 -145 Units dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz Notes RF Output pF ns ns % V V ±10% @ 10% to 90% Vout @90% to 10% Vout @ 1.65 V Supply 3.3±10% < 330 < 757 V mA mA minutes Steady state, @ VSnom, 250C During warm up, @ VS @ 250C to final frequency Additional Parameters