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| OCXOVST Oven Controlled Crystal Oscillator HC-MOS Output 5 V Power Supply FREQUENCY STABILITY FREQUENCY STABILITY OVERALL INCLUDED LONG TERM AGING 15 YEARS: < 4.6 ppm OCXOVST-D TEMP. RANGE * 0 to +70 C OCXOVST-C TEMP. RANGE * Vcc = 5 V 0.2 V * < 70 mA @ +30 * C < 110 mA @ -20 * C -40 to +85 C Stratum 3 up to 40 MHz NOTE 1 HOLDOVER STABILITY DURING 24 HOURS INCLUDING LOAD, SUPPLY VOLTAGE AND TEMPERATURE VARIATION: < 0.28 ppm (0.56 ppm p-to-p) POWER SUPPLY SUPPLY INPUT: INPUT CURRENT : INPUT CURRENT : FREQUENCY CONTROL RANGE CONTROL VOLTAGE: INTERNAL CALIBRATION: Not applicable, pin 1 must be connected to ground (see note 2) < 1 ppm * NOTE 2 On request: Possibility of frequency adjustment with control voltage. OUTPUT OUTPUT SIGNAL: SYMMETRY: RISE AND FALL TIME: LEVEL 0" AND 1": FAN OUT (LOAD): HC-MOS compatible 45 (min.) /55 (max.) % @ Vcc / 2 * tr < 7ns tf < 7 ns * < 0.4 V > Vcc -0.5 V 10 LS or 47pF max. ENVIRONMENT OPERABLE TEMP. RANGE: STORAGE TEMP. RANGE: VIBRATION: SHOCK: PACKAGE: PACKAGE HEIGHT: -40 to +85 C -65 to +125 C 10 to 2000 Hz / 10 g 2000 g, 0.3 ms, 1/2 sine DIL 14, 4 pins, GND to case 8 mm (see packaging info) MARKING EXAMPLE OCXOVST-C 12.800 MHz Type Frequency (PIN 1) Spec No. Date Code Piece No. 01.25 12 WARM-UP F/F: CURRENT: within spec after 30s @ 0 * C < 250 mA during 10s ORDERING INFORMATION EXAMPLE O C X O VST Oscillator Type OCXO = Oven Controlled Crystal Oscillator Oscillator Version V = low power voltage 5V ST = Stratum 3 application Temperature Range C = -40 to +85 C D = 0 to +70 C - C 12.8 MHz xxx N of customer spec. MISCELLANEOUS SHORT TERM STABILITY: PHASE NOISE (BW = 1Hz): (typical, @ 10MHz in static conditions) * < 5 E-10 0.1 s to 30 s Typical 5 E-11 @ 1 s 1 Hz : - 70 dBc / Hz 10 Hz : -100 dBc / Hz 100 Hz : -130 dBc / Hz 1 kHz : -140 dBc / Hz Oscillator output frequency Customer's specification on request STANDARD FREQUENCIES (MHz) 12.8000 16.3840 19.4400 20.0000 40.0000 DATE: June 2003 In accordance with our policy of continuous development and improvement, we reserve the right to modify the design or the specifications of our products without prior notice. Headquarters: Micro Crystal Div. of ETA SA Muhlestrasse 14 CH-2540 Grenchen Switzerland Revision No.: 2 Page 1/2 Tel. Fax Internet Email +41 32 655 82 82 +41 32 655 80 90 www.microcrystal.ch sales@microcrystal.ch OCXOVST Oven Controlled Crystal Oscillator HC-MOS Output 5 V Power Supply Application and Test Circuit: Adjustment with voltage HC-MOS TTL Stratum 3 up to 20 MHz Adjustment with resistor HC-MOS TTL Vcc Vcc Oscilloscope or Counter R load 2k Oscilloscope or Counter R load 2k A D1 14 8 D2 C load * 15pF A D1 14 8 D2 C load * 15pF Vcc V 1 Cd2 Cd1 Vc 7 D3 Vcc V 1 Cd2 Cd1 Radj (0-10kohms) 7 D3 V D4 low thermal coefficient D4 Waveform Output: Waveshape TTL tf tr Vcc 2.4V min. Vcc - 0.5V min. (Except 12V: 5V-0.5V min.) Waveshape HC-MOS tf tr Vcc 1/2 Vcc 1.4V Gnd + 0.4V max. Gnd 0.4V max. Gnd T1 T2 T1 T2 Duty Cycle = 100 x T1 [%] T1 + T 2 DATE: June 2003 In accordance with our policy of continuous development and improvement, we reserve the right to modify the design or the specifications of our products without prior notice. Headquarters: Micro Crystal Div. of ETA SA Muhlestrasse 14 CH-2540 Grenchen Switzerland Revision No.: 1 Page 2/2 Tel. Fax Internet Email +41 32 655 82 82 +41 32 655 80 90 www.microcrystal.ch sales@microcrystal.ch |
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