Data Sheet - Euroquartz

STRATUM III OSCILLATORS
EQAX-10S
TCXO with STRATUM III stability
Incl. Holdover
OUTLINES AND DIMENSIONS
DESCRIPTION
The Euroquartz EQAX-10S TCXO conforms to IEC60679-1, Stratum III,
providing a low-noise, stable and reliable source of clock signals with
electronic frequency control.
FEATURES
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Compact, SMD package
Frequency range from 10MHz to 30MHz
Operating temperature range, 0° to +70°C
Operable temperature -30° to +75°C
Supply Voltage 3.3 Volts
Electronic Frequency Range ±5ppm
SPECIFICATION
Frequency Range:
Standard Frequencies:
Frequency Stability
Initial Tolerance:
Vs. Temperature:
Vs. Supply Voltage Var:
Vs. Load Change:
Long Term Ageing (1st Year):
Long Term Stab. (15 Years):
Frequency Adjustment Range
Electronic Frequency Control:
EFC Voltage Vc:
EFC Slope (Df/DVc):
EFC Input Impedance:
RF Output
Signal Waveform:
Load:
Rise/Fall Time:
Symmetry (Duty Cycle):
Start-up Time:
Phase Noise (16.384MHz)
10.0MHz to 30.0MHz
12.800MHz, 19.440MHz
±1.0ppm @+25°C
±0.28ppm 0°~+50°C
±0.1ppm
±0.1ppm
±1ppm (@40°C)
±4.6ppm
±5ppm
0.30V to 3.0 Volts
Positive
10kW
HCMOS
15pF
10ns maximum
60%/40%
4ms
-95dBc @10Hz offset
-125dBc @ 100Hz offset
-140dBc @ 1kHz offset
-145dBc @ 10kHz offset
Supply Voltage
Minimum:
Typical:
Maximum:
Current Consumption:
Operable Temperature Range:
Storage Temperature Range:
Enclosure:
Weight:
Packing Type:
ESD Sensitivity:
+3.13 Volts
+3.30 Volts
+3.47 Volts
15mA maximum (Steady state)
-20°~+75°C
-40°~+85°C
As drawing
3gm
Tape & Reel (IEC 60286-3)
1500V minimum (IEC6100-4-2)
ORDERING CODE
To order, specify as follows:
EXAMPLE:
FREQUENCY - MODEL
12.800MHz EQAX-10S
PAD CONNECTIONS
Pad
No.
1
2
3`
4
5
6
Symbol
Function
VC
NC
GND
RF OUT
NC
Vs
Control Voltage
Not Connected
Ground
RF Output
Not Connected
Supply Voltage
ENVIRONMENTAL
Test
Visual inspection,
Dimensions
Sealing tests
IEC 60068
Part . .
IEC 61178-1
Clause . .
Test Conditions
2-17
4.5
4.6
4.8.2
Solderability,
Resistance to
soldering heat
Shock
2-20
4.8.3
2-27
4.8.8
Bump
2-29
4.8.6
Free fall
2-32
4.8.9
Vibration,
Sinsoidal
2-6
4.8.7
Rapid change of
Temperature
2-14
4.8.5
Dry heat
2-2
4.8.11
Damp heat, cyclic
2-30
4.8.12
Cold
2-1
4.8.13
Climatic sequence
1-7
4.8.14
Damp heat, steady
state
Endurance tests,
- ageing
- extended ageing
2-3
4.8.15
Enclosure styles as in
IEC 60122-3, if applic.
Gross Leak: Test Qc
Fine Leak: Test Qk
Test Ta (235±5°C),
method 1 Test Tb,
method 1A, 5s
Test Ea, 3x per axis
100g, 6ms 1/2sine
Test Eb, 4000 bumps/
axis, 40g, 6ms
Test Ed, procedure 1,
2 drops from 1m ht.
Test Fc, 30 min/axis,
10Hz-55Hz, 0.75mm;
55Hz -2kHz, 10g
Test Na, 10 cycles at
extremes of operating
temperature range.
Test Ba, 16 h at upper
temperature.
Test Db variant 1
severity b, 55°C/95%rh
Test Aa, 2h at lower
temperature indicated
by climatic category.
Sequence of 4.8.11,
4.8.12 and 4.8.13
Test Ca, 56 days
4.9.1
4.9.2
30 days @ 85°C
1kh, 2kh, 8kh, @85°C
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 1460 230000 Fax: +44 1460 230001 email: [email protected] web: www.euroquartz.co.uk