Precision Crystal Oscillators - CO-287W | Vectron International
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CO-287W Sinewave Crystal Oscillators
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CO-287W

Features:
  • Frequency range: 1.31 MHz to 2.6 GHz
  • Supply: 15 V
  • Output: +7, +13 dBm with a high level option +20 dBm available
  • Package: PCB Mount Design
  • Extended temp range: −55°C to 125°C
  • Low Phase Noise Option Available

SPECIFICATIONS
Series CO-287W: Very High Frequency
Frequency 1.31 GHz to 2.6 GHz
Output Standard: 0.5 Vrms/50 (+7 dBm)
Option R: 1.0 Vrms/50 (+13 dBm)
High output option: +20 dBm/50 to 1.3 GHz
Supply +15 Vdc ±5%
Accuracy
(at 25°C)
Standard: ±10 ppm
*Option T: ±1 ppm

*Tuning adjustment settable to ±1 ppm
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
(typical after 30 days)
Standard: 3 ppm first year, <2 ppm per year thereafter
Option Y: 2 ppm per year, <1 ppm per year thereafter
Phase Noise
(typical at 500 MHz)
Offset from Carrier
100 Hz
1 kHz
10 kHz
50 kHz
Standard
-88 dBc/Hz
-113 dBc/Hz
-128 dBc/Hz
-133 dBc/Hz
Option L1
-103 dBc/Hz
-128 dBc/Hz
-138 dBc/Hz
-143 dBc/Hz
Noise degrades by 6 dB per octave above 500 MHz
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Pinouts
Pin
1
2
3
4
Function
0V, Case
Case
Supply (+)
Case

Dimension in inches
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