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