Data Sheet

EURO QUARTZ
T90 series TCXO
Very Rugged construction TCXO
Very rugged construction TCXO
Miniature SMD format
Close tolerance over temperature from ±0.3 ppm
Wide frequency range, 10MHz to 100MHz
HCMOS output
10.0MHz to 100.0MHz
T90 SERIES - OUTLINES AND DIMENSIONS
DESCRIPTION
T90 and T91 series TCXOs are packaged in a miniature SMD format
The rugged construction enables the ability to withstand 100,000g .
The series offers a wide frequency range and close tolerances over
temperature.
GENERAL SPECIFICATION
Frequency Range:
Output:
10.0MHz to 100.0MHz
HCMOS: 10MHz to 50MHz
Sine Wave: 20MHz to 100MHz
50%±10%
Symmetry:
Output Level
Sine wave:
T90:
T91:
Temperature Stability:
Ageing:
Frequency adjust:
Supply Voltage:
Supply Current:
0.8V p-p typ. into 10pF/100kW load
+0.2V max. to +3.9V min.
+0.2V max. to +2.2V min.
<1ppm/yr (10MHz typical)
±5ppm typical via 0 to +5V or
0 to +3.3V control voltage
Positive slope
+5.0VDC ±5% or +3.3VDC ±5%
<20mA HCMOS
<6mA Sine Wave
SPECIFYING INFORMATION
ENVIRONMENTAL
Vibration:
Shock:
per MIL-STD-202F, Meth. 204, Cond. A
per MIL-STD-202F, Meth. 213, Cond. C
(Shock levels to 100,000g are available)
Model No:
Input Voltage
Output Type
T90
+5.0V
HCMOS
T91
+3.3V
HCMOS
T94
+5.0V
SINEWAVE
T95
+3.3V
SINEWAVE
FREQUENCY STABILITY OVER TEMPERATURE
Temperature Stability (°C)
(Other
temperature
stabilities
are
available)
Tolerance
Model No.
-20 ~ +70
±0.3ppm
N37
-20 ~ +70
±0.5ppm
N57
-40 ~ +85
±0.5ppm
T57
-40 ~ +85
±1.0ppm
T16
-55 ~ +95
±2.0ppm
V26
T90 - PART NUMBERING PROCEDURE
Example:
T90-N37-20.0MHz
(Model number - stability - frequency)
T90 - CUSTOMISED PARAMETERS
There are a wide variety of custom options available for the T90 TCXO.
Contact Euroquartz technical sales with your requirements:
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk
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