OCXO 8662 / 8663
Excellent Thermal Behavior
Oven Controlled Crystal Oscillator
The 8663
series offer excellent frequency stability in
low volume, low profile package.
The thermal design with down to 2x10
-10
pp stability
over temperature range, makes this device unique for
severe holdover requirements.
Features
SC cut 3
r d
overtone crystal resonator
Wide operating temperature range (-20°C to 70°C)
Sine or HC-MOS / TTL-compatible output
Option Low phase noise / Low aging
Benefits
Selectable long term stability
Easily interfaces with analog or digital circuits
Fits all telecommunications requirements
Applications
Precise time keeping and navigation equipment:
GPS/GSM/UMTS/CDMA
Stratum II & III
Base station
Outline and Electrical connec tions
All dimensions in mm (inches)
Pin-out connections
1: GND
2: Vc input
3: Vref out
4: +Power supply
Ordering Information
Phase noise L (f) (BW = Hz)
Frequency
Phase noise
1Hz
10 Hz
100 Hz
1k Hz
10k Hz
100k Hz
5 M Hz
- 100 dBc
- 130 dBc
- 140 dBc
- 145 dBc
- 145 dBc
- 145 dBc
10 M Hz
- 90 dBc
- 120 dBc
- 135 dBc
- 145 dBc
- 145 dBc
- 145 dBc
Mo del
3:+12VDC
8663
A
1
S
G
10 M
Hz
Nominal Frequency
output
10 MHz
Oper ating temper ature r ange
A: Standar d
Fr equency stability ov er
tem per ature r ange
1:<1x 10
-9
peak to peak
Output signal
S: Sine w ave
Option ag ing
G:1x 10
-10
/day
Frequency stability vs temperature range
Frequency stability
Valid for temperature range
Standard
4x10
-9
peak to peak
A/B/C
Option 1
1x10
-9
peak to peak
A/B/C
Option 6
6x10
-10
peak to peak
A/ B/C
Option 2
2x10
-10
peak to peak
B/C
Oscilloquartz SA
/ Rue des Brévards 16 / CH-2002 Neuchâtel
Switzerland / Tel.+41(0)32 722 55 55 / Fax+41(0)32 722 55 56
osa@oscilloquartz.com / www.oscilloquartz.com
Technical
Specifications
Standard / Option
Crystal Oscillator
Standard frequencies
Operating temperature range
Frequency stability (∆ f/f)
∆
Long term stability
St d & G:aging
after
30
days of continuous oper ation
**H
:
aging after
60
days of continuous oper ation
***J
: aging after
90
days of continuous oper ation
OCXO 8662 / 8663
Oven Controlled Crystal Oscillator
Standard
SC-cut, 3rd overtone
4.096/5/8.192/10/16.384 MHz
A:
-20°C to +70°C
4.096 to 40.000 MHz
B:
0°C to +70°C
C:
0°C to +60°C
Option
2x10
-10
/day
5x10
-9
/month
3x10
-8
/year
Std : < 4x10
-9
peak to peak
G :
1x10
-10
/day
**H :
5x10
-11
/day
***J :
3x10
-11
/day
1:
: <1x10
-9
peak to peak
2:
: <2x10
-10
peak to peak
6:
: <6x10
-10
peak to peak
< 3x10
-10
< 5x10
-11
< 1x10
-11
Over temperature range
Versus supply voltage changes
(Vcc ± 5%)
Versus load changes (50Ω ± 10%)
Ω
τ
Short term stability
σ
(τ) (0.2 to 10s)
Allan variance
Electronic frequency control
Power Supply (P)
Input voltage range (DC)
Power consumption
Environment (Not operating)
Storage temperature
Vibration
Shock
Size (L x W x H)
Weight
Outline and electrical connections
Output Characteristics (Z)
Wave form
Level (Tol.) / Impedance
Phase noise
Harmonics
Spur i o us i n the fr e que n cy r an ge up to 1MH z
>± 0,3 ppm (0 to +10 Volts) / Linearity < 5% / Positive slope
8662 : +24 Volts ± 5%
8663 : +12 Volts ± 5%
9V to 30V
Consult factory
< 2.5W after warm-up at 25°C / < 8W during warm up
-40°C to +125°C
MIL-STD 167-1
50g, 11ms, 3 shocks in each direction of the main axis
51.1 x 41.1 x 25 mm (2.01”x 1.62”x 0.98”)
100g
See drawing
S
Sine
> +4 dBm / 50Ω
See table
< -25 dBc
< -70 dBc
Not applicable
Not applicable
T
Square
HCMOS / TTL compatible
Not applicable
Not applicable
Not applicable
40% - 60%
10 ns
Symmetry
Rise / Fall time (10 / 90%, 12pF)
Internal Reference voltage
Pin 3 : Vref out (R
load
> 20 k )
Std 7.8 Volt / on request 6.0 to 8.5 Volts (source resistance 1 kΩ)
Oscilloquartz SA reserves the right to change all specifications contained herein at any time without prior notice.
www.oscilloquartz.com
Ed.06.Nov.08/ORIS
Oscilloquartz SA
/ Rue des Brévards 16 / CH-2002 Neuchâtel
Switzerland / Tel.+41(0)32 722 55 55 / Fax+41(0)32 722 55 56
osa@oscilloquartz.com / www.oscilloquartz.com
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