Data Sheet

EURO QUARTZ
T1220 MCXO
Microprocessor Compensated, Tight Stability
OCXO performance in a TCXO
Rugged construction for severe environments
Tight stability, from ±7x10-8
Squarewave (CMOS) or Clipped Sinewave outputs
Through hole or SMD package option
DESCRIPTION
T1220 - OUTLINES AND DIMENSIONS
T1220 series Microprocessor-Compensated Crystal Oscillators
(MCXOs) provide OCXO performance in a TCXO. The part is
packaged in either a standard through-hole 14 pin DIL equivalent
package or a SMD version. Ability to operate in severe environments
makes this an ideal high-performance TCXO.
GENERAL SPECIFICATION
Frequency Range:
Output
Model T1220:
Model T1221
Load
Model T1220:
Model T1221:
Symmetry:
Frequency Stability
vs. Supply:
vs. Ageing
Supply Voltage:
Input Current:
10.0MHz to 50.0MHz
CMOS Squarewave
Clipped Sinewave
15pF
10pF//10kW
50%±10% (Model T1220)
±1x10-7
±3x10-7 per year after 30 days (typ.)
+5.0 Volts or +3.3 Volts
30mA max.
STABILITY OVER TEMPERATURE
Temp. Range
Stability
Option Code
-20~+70°C
±7x10-8
N78
-40~+85°C
±1x10-7
T17
PART NUMBERING PROCEDURE
PHASE NOISE
(CMOS 10.0MHz TYPICAL)
Example:
T1220-T17-3.3-SM-10.0MHz
Offset
dBc/Hz
10Hz
-95
100Hz
-120
1kHz
-140
10kHz
-150
100kHz
-155
(Model number - Stability - Supply Voltage - Package - Frequency)
ENVIRONMENTAL
Storage Temperature:
Random Vibration:
Sine Vibration:
Shock:
-55 to +105°C
per MIL-STD-202, Meth. 214, Cond. I-J
per MIL-STD-202, Meth. 204, Cond. D
per MIL-STD-202, Meth. 213, Cond. F
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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