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CO-750 Series Oven Controlled Crystal Oscillators (OCXO)


CO-737, CO750

Features:
  • Frequencies from 5 MHz to 25 MHz
  • Low Profile PC Board Mount Design
  • High Temperature Stability
  • Superior Aging Characteristics



½" High PC Board Mount OCXOs
Frequency 5 MHz - 25 MHz
AT cut Crystal
5 MHz - 25 MHz
SC/IT cut Crystal
Stability
(Temp Range A)
+15°C to +35°C
A58: ±5x10-8
A18: ±1x10-8
A28: ±2x10-8
A59: ±5x10-9
(Temp Range B)
0°C to +50°C
B17: ±1x10-7
B28: ±2x10-8
B58: ±5x10-8
B18: ±1x10-8
(Temp Range D)
0°C to +50°C
D27: ±2x10-7
D28: ±5x10-8
D17: ±1x10-7
D28: ±2x10-8
(Temp Range E)
-40°C to +75°C
E57: ±5x10-7
E17: ±1x10-7
E27: ±2x10-7
E58: ±5x10-8
Aging Rate CO-754: 1x10-8/day
2x10-6/year
CO-757: 1x10-9/day
3x10-7/year
CO-758S: 5x10-10/day
1x10-7/year
(5x10-8/year optional) (2x10-8/year at 5 MHz opt.)
vs Supply 5x10-9 per percent 2x10-9 per percent
Short Term (Allan Variance)
5x10-11/second 1x10-11/second
Output/Supply Voltage (±5%)
Output Supply
Std: >0.5Vrms/50 (+7 dBm) +15 Vdc
R: >1.0 Vrms/50 (+13 dBm) +15 Vdc
J: HCMOS/TTL +15 Vdc
& +5 Vdc
N: HCMOS/TTL +5 Vdc
Input Power 5 watts at turn-on; <2.5 watts stabilized @ 25°c
Phase Noise (typical)
(Sinewave Output 5-12 MHz)

Offset
10Hz
100Hz
1kHz
10kHz
50kHz

Phase Noise
-105 dBc/Hz
-135 dBc/Hz
-145 dBc/Hz
-148 dBc/Hz
-150 dBc/Hz
Phase Noise
-115 dBc/Hz
-140 dBc/Hz
-145 dBc/Hz
-148 dBc/Hz
-150 dBc/Hz
Frequency Adjust

Via external potentiometer


Mechanical Tuning
10x10-6 typical range


Optional
2x10-6 typical range


Optional


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CO-750

Dimension in inches
 
Pinouts
1
2
3
4
5
6
RF Output
VCXO Input
+5V for logic, N/C for sine
Supply (+)
0V, Case
0V, Case
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