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| EURO QUARTZ Micro-miniature SMD package 5 x 3.2mm Stability from 1ppm over -30 to +75C Supply Voltage from 2.3 Volts to 5.5 Volts Produced as TCXO or VCTCXO with EFC Readily customized EM53S Series TCXO Clipped Sinewave 5 x 3.2 x1.2mm SMD EM53S - OUTLINES AND DIMENSIONS DESCRIPTION EM53 series TCXOs are ceramic SMD TCXOs packaged in an industrystandard, micro-miniature 5 x 3.2mm package. This TCXO can be run from a supply voltage of 2.3 to 5.5 Volts. Close tolerances from 1ppm over -30 to +75C are available. The part can be produced as either a standard TCXO or a voltage-controlled TCXO (VCTCXO). SPECIFICATION Product Series Code TCXO: VCTCXO: Frequency Range: Output Waveform: Initial Calibration Tolerance*: Standard Frequencies: EM53S VEM53S 10.0MHz to 27.0MHz Clipped Sinewave <1ppm at 25C 10.0, 12.80, 13.0, 14.40, 15.36, 16.384, 19.2, 19.440, and 19.68MHz (Partial list) See table 1.0 ppm max. first year 0.3 ppm max. 5% change 0.3 ppm max. 10% change 1ppm max. for one reflow (Measured after 24 hours) +2.8, +3.0 or +5.0Volts (Specify when ordering) 0.8V p-p minimum 2ms typical, 5ms max. See table below 10kOhm//10pF 10% -10dB typical, -7dB max. See table DC block, AC coupled -50 to +100C Operating Temperature Range: Frequency Stability vs. Ageing: vs. Voltage Change: vs. Load Change: vs. Reflow: Supply Voltage: Output Voltage Level: Start-up Time: Current Consumption: Output Load: Harmonic Distortion: SSB Phase Noise: Output Format: Storage Temperature: VEM53S VOLTAGE CONTROL SPECIFICATION Standard = +1.51.0Volts for all input voltages. (Contact technical sales if +2.52.0 Volts is required.) Frequency Deviation: 6.0 ppm min. Slope Polarity: Positive (increase of control voltage increases output frequency.) Input Impedance: 1.0M min. Modulation Bandwidth: 3.0kHz min. measured at -3dB Linearity: 10% max. PHASE NOISE Offset (Hz) SSB Phase Noise at 25C EM53S 13MHz (dBc/Hz) Control Voltage: * Stability over temperature is measured from this initial frequency. 10 -80 100 -115 1k -135 10k -148 100k -150 FREQUENCY STABILITY Frequency Stability (ppm) 0 ~ +50 -10 ~ +60 Temperature Range (C) -20 ~ +70 -30 ~ +75 -40 ~ +85 P 0.5 ASK x x x x 1.0 P P x x x 1.5 P P P x x 2.0 P P P P x 2.5 P P P PP P PART NUMBERING PROCEDURE Example: EM53S3-19.44-2.5/-30+75 = available, x = not available, ASK = call Technical Sales CURRENT CONSUMPTION Supply Voltage 10.0 to 15MHz Frequency Range 15.01 to 26MHz 26.01 to 27MHz Max Current 1.5mA 2.0mA 2.5mA Series Description TCXO = EM53S VCTCXO = VEM53S Supply Voltage 28 = 2.8 VDC 3 = 3.0 VDC 5 = 5.0 VDC Frequency (MHz) Stability over OTR (ppm) Operating Temperature Range (OTR) (C) Lower and upper limits. EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk |
Price & Availability of EM53S
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