OX-046 VHF low g-Sensitivity Oven Controlled Crystal Oscillator OX-046 Features Applications Ultra Low G-Sensitivity Military Avionics Low Phase Noise Airborne Radar Very High Frequency Test Equipment Frequency Range: 50 MHZ to 250 MHZ Frequency Synthesizers Standard Frequency: 100 MHz Position Location Vibration Compensation Satellite Communications Performance Specifications Parameter Min Typ Max Units Condition Available Frequencies Frequency Range 50 250 MHz G-Sensitivity Performance standard crystal 1.5 ppb/g g-Sensitivity w Low g-Crystal 0.5 ppb/g g-Sensitivity w Low g-Crystal & Vibration 0.05 ppb/g Degrades to 0.5 ppb/g above 250 Hz compensation (No mechanical resonances out to 2KHz) G sensitivity specified per axis For oscillators with 0.2 ppb/g out to 2 KHz please contact factory. 1 Frequency Stabilities (Stabilities listed for 100 MHz. For Stabilities above 100 MHz values may degrade. Please contact factory.) vs. Operating Temperature Range -200 +200 ppb -40 +85C (referenced to +25C) -150 +150 ppb -40 +70C -100 +100 ppb -20 +70C -50 +50 ppb 0 +70C Initial Tolerance -500 +500 ppb at time of shipment, nominal EFC vs. Supply Voltage Change -10 +10 ppb Vs 5% vs. Load Change -10 +10 ppb Load 5% vs. Aging / Daily -5 +5 ppb after 30 days operation st vs. Aging / 1 Year -200 +200 ppb after 30 days operation vs. Aging / 10 Year -1.5 +1.5 ppm after 30 days operation 2 Retrace -200 +200 ppb Warm-up Time 5 minutes to 100ppb of final frequency (2 hour reading) +25CPerformance Specifications Parameter Min Typ Max Units Condition Supply Voltage (Vs) Supply voltage 14.25 15.0 15.75 VDC ordering code A 11.4 12.0 12.6 VDC ordering code B 10.0 Watts during warm-up all temperatures 3.8 Watts steady state +25C Oven Power Consumption 7.0 Watts steady state -40C 1.0 Watts steady state +85C RF Output Start Time 1 2 s time required to achieve 90% of amplitude Signal Sinewave Load 50 Ohm Output Power +7.0 +10 +13 dBm Harmonics -30 dBc Subharmonics -30 dBc for oscillator with output frequency > 120 MHz Frequency Tuning (EFC) Tuning Range 2.0 3.0 ppm Electronic frequency control 20 % Linearity Positive Tuning Slope 0.0 +5.0 +10.0 VDC Control Voltage Range 15 kOhm Input Resistance 150 Hz Modulation Bandwidth Phase Noise 3 Phase Noise -100 dBc/Hz 10 Hz ( 100 MHZ) -130 dBc/Hz 100 Hz (under static conditions - no vibration) -150 dBc/Hz 1 KHz -165 dBc/Hz 10 KHz -175 dBc/Hz 100 KHz 3 Phase Noise -90 dBc/Hz 10 Hz ( 200 MHZ) -120 dBc/Hz 100 Hz (under static conditions - no vibration) -140 dBc/Hz 1 KHz -155 dBc/Hz 10 KHz -165 dBc/Hz 100 KHz