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VEM62S28-19.44-2.5-30 Datasheet(PDF) 1 Page - EUROQUARTZ limited |
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VEM62S28-19.44-2.5-30 Datasheet(HTML) 1 Page - EUROQUARTZ limited |
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1 / 1 page  EURO QUARTZ 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 TCXO DESCRIPTION EM62S series TCXOs are packaged in the industry-standard 11.4 x 9.6 x 2.5mm SMD package. With clipped sinewave output, close tolerances are available from ±0.5ppm over 0° to 50°C or ±1ppm over -40° to +85°C. The part has low power consumption. Industry-standard SMD package 11.4 x 9.6 x 2.5mm Close tolerance stabilities from ±0.5ppm over 0° to +50°C ±1ppm over -40 to +85°C Low power consumption EM62S - OUTLINES AND DIMENSIONS FREQUENCY STABILITY Frequency Range +3.0 V +5.0 V 10.0MHz to 13MHz 1.3mA 2.0mA 13.1MHz to 20MHz 1.5mA 2.2mA 20.1MHz to 27MHz 2.0mA 2.5mA CURRENT CONSUMPTION Clipped Sinewave, 6 Pad FR4 substrate SMD EM62S Series SPECIFICATION Product Series Code TCXO: EM62S VCTCXO: VEM62S Frequency Range: 10.0MHz to 27.0MHz Output Waveform: Clipped Sinewave Initial Calibration Tolerance**: <±1ppm at 25°C Standard Frequencies: 10.0, 12.80, 13.0, 14.40, 15.36, 16.384, 19.2, 19.440, and 19.68MHz (Partial list) Operating Temperature Range: See table Frequency Stability vs. Ageing: ±1.0 ppm max. first year vs. Voltage Change: ±0.3 ppm max. ±5% change vs. Load Change: ±0.3 ppm max. ±10% change vs. Reflow: ±1ppm max. for one reflow (Measured after 24 hours) Supply Voltage: +2.8, +3.0 or +5.0Volts (Specify when ordering) Output Voltage Level: 0.8V p-p minimum Start-up Time: 2ms typical, 5ms max. Current Consumption: See table below Output Load: 10kOhm//10pF ±10% Harmonic Distortion: -10dB typical, -7dB max. SSB Phase Noise: See table Output Format: DC block, AC coupled Storage Temperature: -50° to +100°C PART NUMBERING PROCEDURE Example: EM62S3-19.44-2.5/-30+75 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. Series Description TCXO = EM62S VCTCXO = VEM62S SSB Phase Noise at 25°C Offset (Hz) 10 100 1k 10k 100k EM62S 13MHz (dBc/Hz) -80 -115 -135 -148 -150 PHASE NOISE Control Voltage: Standard = +1.5±1.0Volts for all input voltages. (Contact technical sales if +2.5±2.0 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. VEM62S VOLTAGE CONTROL SPECIFICATION Frequency Stability (ppm) ±0.5 ±1.0 ±1.5 ±2.0 ±2.5 Temperature Range (°C) 0 ~ +50 ASK P P P P -10 ~ +60 x P P P P -20 ~ +70 x x P P P -30 ~ +75 x x x P PP -40 ~ +85 x x x x P P = available, x = not available, ASK = call Technical Sales FREQUENCY STABILITY |
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