VX-990

VX-990 Preliminary Voltage Controlled Crystal Oscillator Ultra Low Noise and G-Sensitivity VX-990 Features • • • • Ultra low Phase Noise Ultra low G-Sensitivity Vibration hardened Tight Tolerances • • • • Applications Vibration Environment Airborne and Military Equipment Portable Equipment Radar Performance Specifications Frequency Stabilities1 (Frequency Range - 60 to 120 MHz) Parameter vs. operating temperature range (referenced to nominal frequency) Initial tolerance vs. supply voltage change vs. load change vs. aging / 1 year vs. aging / 10 years Min -15.0 -25.0 Typical Max +15.0 +25.0 Units ppm ppm Condition Options3 -20 to +70°C -40 to +85°C -15.0 -0.1 -0.1 -1.0 -3.0 +15.0 +0.1 +0.1 +1.0 +3.0 ppm ppm ppm ppm ppm 25°C VS ±5% static Load ±10% static after 30 days of operation after 30 days of operation Page 1 of 6 Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com Performance Specifications Supply Voltage (Vs) Parameter Supply voltage (standard) Current consumption Min 14.25 Typical 15 Max 15.75 100 Units VDC mA Condition RF Output Signal [standard] Load Output Power Harmonics Spurious 45 11 50 13 Sinewave 55 15 -30 -80 Ohm dBm dBc dBc 50 Ω load 50 Ω load 50 Ω load Pulling range is sufficient to tune the oscilator over lifetime of 10 years and all circumstancers to nominal frquency 50 Ω load Frequency Tuning (EFC) Absolute Pulling Range Linearity Tuning Slope Control Voltage Range Frequency control input impedance -4 50 0 ±0.0