SPECIFICATIONS
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Series
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CO-287W: Very High Frequency
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Frequency
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1.31 GHz to 2.6 GHz
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Output
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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
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Supply
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+15 Vdc ±5%
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Accuracy
(at 25°C)
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Standard: ±10 ppm
*Option T: ±1 ppm
*Tuning adjustment settable to ±1 ppm
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Temperature Stability
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STANDARD:
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0°C
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to
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+70°C:
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±25 ppm
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Option 1:
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-55°C
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to
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+85°C:
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±50 ppm
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Option 2:
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-55°C
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to
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+125°C:
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±50 ppm
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(not available in CO-287W)
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Option 3:
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0°C
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to
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+50°C:
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±3 ppm
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(not available in CO-484, CO-487, CO-287W)
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Option 5:
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0°C
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to
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+50°C:
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±5 ppm
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Option 6:
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0°C
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to
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+50°C:
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±10 ppm
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Aging Rate
(typical after 30 days)
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Standard: 3 ppm first year, <2 ppm per year thereafter
Option Y: 2 ppm per year, <1 ppm per year thereafter
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Phase Noise
(typical at 500 MHz)
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Offset from Carrier
100 Hz
1 kHz
10 kHz
50 kHz
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Standard
-88 dBc/Hz
-113 dBc/Hz
-128 dBc/Hz
-133 dBc/Hz
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Option L1
-103 dBc/Hz
-128 dBc/Hz
-138 dBc/Hz
-143 dBc/Hz
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Noise degrades by 6 dB per octave above 500 MHz
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