Vectron Products - Sinewave Crystal Oscillators - CO-487 Helping Customers Innovate, Improve & Grow Page 1 of 3 Search XOs > CO-487 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 CO-487: Miniature Hybrid Frequency 4 MHz to 500 MHz Output 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 Supply +15 Vdc ±5% (Any supply in 12-24 Vdc range optional; supply less than +15 Vdc subject to reduced output level) Accuracy (at 25°C) CO-487A: ±50 ppm CO-487C: ±25 ppm CO-487D: ±15 ppm CO-487B: ±10 ppm *CO-487E: ±1 ppm *Set via external capacitor. Temperature Stability STANDARD: 0°C to +70°C: ±25 ppm Option 1: -55°C to +85°C: ±50 ppm Option 2: -55°C to +125°C: ±50 ppm (not available in CO-287W) Option 3: 0°C to +50°C: ±3 ppm (not available in CO-484, CO-487, CO-287W) Option 5: 0°C to +50°C: ±5 ppm Option 6: 0°C to +50°C: ±10 ppm 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. top of page http://www.vectron.com/products/xo/CO-487.htm 3/11/2009 Vectron Products - Sinewave Crystal Oscillators - CO-487 Page 2 of 3 SCREEN TESTING OF ABOVE MODELS Standard Options MIL-STD-883 METHOD CLASS X CLASS D CLASS B Stabilization Bake (150°C) — X X X Seal Test (Gross and Fine) 1014, Cond A2 X X X Temperature Cycling (Thermal Shock) 1010, Cond B X X Burn-in, operating 160 hours @125°C — X X Acceleration (5000g in Y1 axis) 2001, Cond A SCREEN TEST 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. X top of page 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 Page 3 of 3 *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. top of page 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 http://www.vectron.com/products/xo/CO-487.htm 3/11/2009