OCXO (Oven Controlled Crystal Oscillator) OC14E12A Series +12.0 V Wave Form: Sine Wave MERCURY Since 1973 y Full size 4 pin DIP full metal package y+12.0 V D.C supply Voltage y Sine wave output y AT-cut crystal y Voltage control (Electronic Frequency Tuning) on pin 1 General Specifications (at+25°C, at +12.0 V Vcc and +2.5 V Vcon, 15 pF load) Output Wave From Frequency Range Type of Crystal Cut Supply Voltage (Vcc) Sine wave. Wave form code is “E” 1.0 MHz ~ 20.0 MHz. Higher frequencies are available. AT-cut. Use “A” for crystal code. +12.0 V ±0.5 V (voltage code is “12”) Operating Temperature Range Best spec. Typical Spec. 0°C to +60°C ±0.05 ppm ±0.2 ppm -20°C to +70°C ±0.1 ppm ±0.3 ppm -40°C to +85°C ±0.2 ppm ±0.5 ppm Frequency Stability vs Operating Temperature Range (custom spec. on request) Long Term Aging < ±0.7 ppm first year. < ±4.0 ppm over 10 years. Short Term Stability <5 E -10 (0.1 sec to 30 sec at 0°C); typical 5 E -11 at 1 sec. Supply Voltage ±0.5 V Variation < ±0.1 ppm Load ±10% variation < ±0.01 ppm < 30 mA at steady-state at +25°C. <220 mA at turn-on. Warm-up time (at +25°C) 3 minutes. Within ±0.1 ppm of the unit output frequency. Output Level 1.0 V peak-to-peak min. Harmonic -10 dBc Spurious -70 dBc Load 1 K ohms // 5 pF, ±10% Voltage Control on pin 1 (Electronics Frequency Tuning) Power Dissipation Phase Noise Frequency Deviation Range ±4 ppm min. Control Voltage Range 0.0 V to 5.0 V Transfer Function Positive: Increasing control voltage increases output frequency. Input Impedance > 47 K ohms 1 Hz offset < -70 dBc / Hz 10 Hz offset < -100 dBc / Hz 100 Hz offset < -132 dBc / Hz 1 KHz offset < -140 dBc / Hz Storage Temperature -65°C to +125°C Shock 2000 G’s, 0.3 ms ½ sine Vibration 10 to 2000 Hz / 10 G’s Inclusive of 25°C tolerance, operating temperature range, ±0.5 V input voltage variation, load change, aging at +25°C, shock and vibration. (1) MERCURY www.mercury-crystal.com Taiwan: TEL (886)-2-2406-2779, FAX (886)-2-2496-0769, e-mail: [email protected] U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: [email protected] MERCURY Page 1 of 2 Date: April 20, 2005 Rev. 0 OCXO (Oven Controlled Crystal Oscillator) OC14E12A Series +12.0 V Wave Form: Sine Wave OC14E12A Test Circuit: MERCURY Since 1973 Frequency counter Oscilloscope A + - Vcc + V - 14 8 1 7 0.1uF OC14E12A Package Dimensions and Pin Connections: Pin 1: Voltage Control Pin 7: Ground Pin 8: Output Pin 14: Supply Voltage unit mm [inches] Square corner is pin No. 1 Part Number Format and Example: Example: OC14E12A-10.000-0.1/-20+70 Explanation: OCXO, 10.000 MHz, 4 pin DIP package, Sine wave output, +12.0 V supply voltage, frequency stability is ±0.1 ppm over -20 to +70°C. " " " ": customer to specify 10.000 — 0.1 / -20+70 n o p q n: Product series code o: Frequency in MHz p: Frequency stability in ppm q: Operating temperature range in °C OC14E12A — MERCURY Page 2 of 2 Date: April 20, 2005 Rev. 0