VX-990 Voltage Controlled Crystal Oscillator Ultra Low Noise and G-Sensitivity VX-990 Features Applications Ultra low Phase Noise Ultra low G-Sensitivity Vibration hardened Tight Tolerances • • • • Frequency Range Standard Frequencies Vibration Environment Airborne and Military Equipment Portable Equipment Radar 60 MHz – 120 MHz 120 MHz Performance Specifications Frequency Stabilities1 Parameter Min Typical Max Units vs. operating temperature range (referenced to nominal frequency) -15.0 -25.0 +15.0 +25.0 ppm ppm Initial tolerance vs. supply voltage change vs. load change vs. aging / 1 year vs. aging / 10 years -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 Condition -20 to +70°C -40 to +85°C 25°C VS ±5% static Load ±10% static after 30 days of operation after 30 days of operation Page 1 of 7 Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com Options3 • • • • Performance Specifications Supply Voltage (Vs) Parameter Supply voltage (standard) Current consumption Min Typical Max Units 14.25 15 15.75 100 VDC mA Condition RF Output Signal [standard] Sinewave 50 Ω load Load 45 50 55 Ohm Output Power 10 13 16 dBm 50 Ω load Harmonics -30 dBc 50 Ω load Spurious -80 dBc 50 Ω load Frequency Tuning (EFC) Absolute Pulling Range ±0.0 ppm Tuning Slope Pulling range is sufficient to tune the oscilator over lifetime of 10 years and all circumstancers to nominal frquency Positive Control Voltage Range -4 Frequency control input impedance 50 0 +4 VDC kOhm Additional Parameters Phase Noise2 -90 -125 -153 -167 -173 -175 dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz 10 Hz 100 Hz 1 kHz 10 kHz 100 kHz 1 MHz G-Sensitivity 0.5 ppb/g without shock absorbers3 @ 120 MHz 13 dBm sinewave no vibration G-Sensitivity 1 ppb/g optional without shock absorbers3 G-Sensitivity 0.5 ppb/g optional without shock absorbers3 75 g Weight 55 Processing & Packing Handling & Processing Note Additional Environmental Conditions RTCA/DO-160 D, Section 8, Category R or R2 curve C and C1 Random Vibration MIL-STD-202G; Method 213B; 15 g / 20 ms Shock Solderability JEDEC J-STD-002 non RoHS compliant Solvent Resistance non-washable device for softest shock absorber i.e. lowest resonance frequency Absolute Maximum Ratings Supply voltage (Vs) 16.0 V 55 Ω Output Load 45 Operable Temperature Range -40 +85 °C Storage Temperature Range -55 +105 °C Page 2 of 7 Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com Outline Drawing / Enclosure Parameter Min G295 including vibration isolators. Mechanical resonance frequency Typical 35 Max Units Condition 110 Hz Please specify vibration profile and phase noise max values under vibration Max Units Dimensions in mm Parameter Min G313 without vibration isolators. Typical Condition Option please specify vibration profile and phase noise max values under vibration Pin Connections Dimensions in mm 1 Control Voltage Input (Vc) 2 Supply Voltage (Vs) 3 RF-Output 4 Ground (Case) Page 3 of 7 Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com Typical Phase Noise @ 120 MHz without vibration -80 Phase Noise [dBc/Hz] -100 -120 -140 -160 -180 10 100 1000 10000 100000 1000000 Offset Frequency [Hz] Page 4 of 7 Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com 10000000 Typical G-Sensitivity @120 MHz without shock absorber G-Sensitivity: VX-990 120MHz; Vibration spectrum 0,06g2/Hz 1,00 0,1 X-Axis 0,90 Y-Axis 0,80 Z-Axis 0,01 PSD [g2/Hz] G-Sensitivity [ppb/g] Total 0,70 0,60 0,50 0,40 0,001 0,30 0,20 0,10 0,0001 0,00 10 100 1.000 10 100 Frequency [Hz] Phase noise: VX-990; 120MHz; 0,06g2/Hz Calculation equation according to Vig-Tutorial -60 g-sensitivity: Phase Noise [dBc/Hz] G X-Axis -70 Y-Axis 2 fv 10 Apeak f 0 Z-Axis -80 1.000 Frequency [Hz] Peak g-level: -90 Oscillator Z Quarz -110 -120 Comments: Measured without shock absorbers PSD 2 A peak -100 L ( fv ) 20 Y X -130 -140 10 100 1.000 Offset Frequency [Hz] Typical Frequency Stability vs Temperature Page 5 of 7 Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com 10.000 Typical Phase Noise @ 120 MHz with vibration VX-990 without shock absorber vibration spectrum DO-160 curve C Phase Noise [dBc/Hz] -50 -60 X-axis -70 Y-axis -80 Z-axis -90 -100 -110 -120 -130 -140 -150 -160 -170 10 100 1.000 10.000 Offset Frequency [Hz] Typical Phase noise: VX-990 vibration spectrum DO-160 curve C Phase Noise [dBc/Hz] -60 -70 X-axis -80 Y-axis Z-axis -90 -100 -110 -120 -130 -140 -150 -160 -170 10 100 1.000 10.000 Offset Frequency [Hz] Typical Phase Noise: VX-990 vibration spectrum DO-160 curve C Phase Noise [dBc/Hz] -60 -70 X-axis -80 Y-axis Z-axis -90 -100 -110 -120 -130 -140 -150 -160 -170 10 100 1.000 10.000 Offset Frequency [Hz] Page 6 of 7 Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com Ordering Information VX - 990 E - 255 - 120M0000 Frequency Product Family VX: VCXO Package Ultra Low G-Sensitivity Stability Code J-155: ±15 ppm E-255: ±25 ppm Temperature Range J: -20°C to +70°C E: -40°C to +85°C Notes: 1. Contact factory for improved stabilities or additional product options. Not all options and codes are available at all frequencies. 2. Phase noise degrades with increasing output frequency. 3. Contact factory for availability. Unless other stated all values are valid after warm-up time and refer to typical conditions for supply voltage, frequency control voltage, load, temperature (25°C). Subject to technical modification. For Additional Information, Please Contact USA: Europe: Asia: Vectron International 267 Lowell Road Hudson, NH 03051 Tel: 1.888.328.7661 Fax: 1.888.329.8328 Vectron International Landstrasse, D-74924 Neckarbischofsheim, Germany Tel: +49 (0) 7268.801.100 Fax: +49 (0) 7268.801.282 Vectron International 1589 Century Avenue, the 19th Floor Chamtime International Financial Center Shanghai, China Tel: 86.21.6081.2888 Fax: 86.21.6163.3598 Disclaimer Vectron International reserves the right to make changes to the product(s) and or information contained herein without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information. Rev: 10/2011 Page 7 of 7 Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com