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CO-233/233H Sinewave Crystal Oscillators
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CO-233

Features:
  • Frequency range: 4 to 300 MHz
  • Supply: 15 V
  • Output: +7 or +13 dBm available
  • Package: PCB Mount Design
  • Extended temp range: −55°C to 125°C
  • Low Phase Noise Option Available

SPECIFICATIONS
Series CO-233/233H: Basic Line
Frequency 4 MHz to 300 MHz
Output Standard: 0.5 Vrms/50 (+7 dBm)
Option R: 1 Vrms/50 (+13 dBm)
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)
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
Option 3: 0°C to +50°C: ±3 ppm
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/year thereafter
Option Y: 2 ppm first year, <1 ppm/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
Noise degrades by 6 dB per octave above 100 MHz
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Pinouts
Pin
*1
*2
3
4
*5
CO-233 Function
0V, RF Return
Case
Supply (+)
Output
**N/A
CO-233H Function
0 Volts
Case
Supply (+)
Output
RF Return
 
Dimension in inches
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