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Vectron Products - Sinewave Crystal Oscillators - CO-487
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CO-487 Sinewave Crystal Oscillators
Features:
Frequencies from 4 MHz to 500 MHz Miniature Hybrid Design 16 Pin Double DIP or 16 Pin Flatpack +13 dBm output available
SPECIFICATIONS
Series Frequency Output CO-487: Miniature Hybrid 4 MHz to 500 MHz Standard: 0.5 Vrms/50 (+7 dBm) Option R: 1 Vrms/50 (+13 dBm) High level option: 1 watt (+30 dBm) available in 2" x 3" x 0.75" package +15 Vdc ±5% (Any supply in 12-24 Vdc range optional; supply less than +15 Vdc subject to reduced output level) CO-487A: ±50 ppm CO-487C: ±25 ppm CO-487D: ±15 ppm CO-487B: ±10 ppm *CO-487E: ±1 ppm
*Set via external capacitor.
Supply Accuracy (at 25°C)
Temperature Stability
STANDARD: 0°C Option 1: Option 2: Option 3: Option 5: Option 6: -55°C -55°C 0°C 0°C 0°C
to to to to to to
+70°C: +85°C: +125°C: +50°C: +50°C: +50°C:
±25 ppm ±50 ppm ±50 ppm ±3 ppm ±5 ppm ±10 ppm
(not available in CO-287W) (not available in CO-484, CO-487, CO-287W)
Aging Rate 3 ppm first year (typical after 30 days) <2 ppm per year thereafter Phase Noise (typical 4-100 MHz) Offset from Carrier 100 Hz 1 kHz 10 kHz 50 kHz Standard -100 dBc/Hz -125 dBc/Hz -140 dBc/Hz -145 dBc/Hz Option L1* -115 dBc/Hz -140 dBc/Hz -150 dBc/Hz -155 dBc/Hz Option L2** -120 dBc/Hz -145 dBc/Hz -160 dBc/Hz -160 dBc/Hz
Noise degrades by 6 dB per octave above 100 MHz *L1 Option is not available in CO-281, CO-484, CO-487 **L2 Option is available only in CO-233FW and is limited to 200 MHz: above 100 MHz, output of CO-233FWL2 is restricted to +7 dBm.
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http://www.vectron.com/products/xo/CO-487.htm
3/11/2009
Vectron Products - Sinewave Crystal Oscillators - CO-487
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SCREEN TESTING OF ABOVE MODELS
Standard SCREEN TEST Stabilization Bake (150°C) Seal Test (Gross and Fine) Temperature Cycling (Thermal Shock) Burn-in, operating 160 hours @125°C Acceleration (5000g in Y1 axis) MIL-STD-883 METHOD — 1014, Cond A2 1010, Cond B — 2001, Cond A CLASS X X X Options CLASS D X X X X CLASS B X X X X X CLASS S Class S screen test requirements include 24 hour additional bake-out, 80 hour additional burn-in, thermal shock, PIND test and radiographic inspection in addition to Class B Screening. Has major cost impact.
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Dimension in inches Pinouts *Pin 8 9 11 16 Function 0V, Case Output ** Supply
http://www.vectron.com/products/xo/CO-487.htm
3/11/2009
Vectron Products - Sinewave Crystal Oscillators - CO-487
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*Unlisted pins may be used internally **<200 MHz: no connection >200 Mhz: 0V, Case E Option, connect 5-30 pf capacitor from pin 5 to pin 8.
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Copyright © 1997-2009 by Vectron International, Inc., A Dover Company. Vectron International's Terms and Conditions. The most recent change to this page occurred 02/11/2009
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3/11/2009
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