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EMW57T33-409.60-2.5-30 Datasheet(PDF) 1 Page - EUROQUARTZ limited |
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EMW57T33-409.60-2.5-30 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 HCMOS 7 x 5 x 2.8mm SMD, 'W' Group EMW57T Series DESCRIPTION Miniature 7 x 5 x 2.8mm SMD package Frequency range: 200.01MHz to 800.0MHz Supply voltage 3.3 Volts Frequency stability from ±1ppm over -30 to +75°C RoHS compliant EMW57T series TCXOs are packaged in a miniature 4 pad ceramic SMD package. With squarewave (CMOS) output, tolerances are available from ±1.0ppm over -30° to +75°C. The part has a 0.01mF decoupling capacitor built in. EMW57T - OUTLINES AND DIMENSIONS Stability (ppm) ±0.5 ±1.0 ±1.5 ±2.0 ±2.5 ±3.0 Temp. Range (°C) 0 ~ +50 P P P P P P -10 ~ +60 ASK P P P P P -20 ~ +70 X P P P P P -30 ~ +75 X P P P P P -40 ~ +85 X X X ASK ASK P P = available, x = not available, ASK = call Technical Sales SPECIFICATION Product Series Code TCXO: EMW57T VCTCXO: VEMW57T Frequency Range: 200.01MHz to 800.0MHz Output Waveform: Squarewave, HCMOS Initial Calibration Tolerance: <±2.0ppm at +25°±2°C Standard Frequencies: 200.0, 204.8, 311.04, 400.0, 409.6 and 622.08MHz (Partial list) Operating Temperature Range: See table Frequency Stability (see table) 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 (SMD type): ±1.0ppm max. for one reflow (Measured after 24 hours) Supply Voltage: +3.3 Volts Output Logic Levels: Logic High: 90% Vdd min. Logic Low: 10% Vdd max. Current Consumption: 65mA max. (Freq. dependant) Rise and Fall Times: 1.2ns typical Duty Cycle: 50%±5% Start-up Time: 5ms typical, 10ms max. Current Consumption: See table below Output Load: 15pF Storage Temperature: -55~+125°C PART NUMBERING SCHEDULE Example: EMW57T33-409.60-2.5/-30+75 Supply Voltage 33 = 3.3 VDC Frequency (MHz) Stability over OTR (±ppm) Operating Temperature Range (OTR) (°C) Lower and upper limits Series Description TCXO = EMW57T VCTCXO = VEMW57T 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. (Vcon = +4.5V±1.0V) Slope Polarity: Positive (increase of control voltage increases output frequency.) Input Impedance: 2M minimum Modulation Bandwidth: 25kHz minimum Linearity: ±10% maximum VEMW57T VOLTAGE CONTROL SPECIFICATION FREQUENCY STABILITY Offset 10Hz 100Hz 1kHz 10kHz 100kHz Part = EMW57T33 at 622.080MHz (dBc/Hz) -50 -77 -102 -115 -108 SSB PHASE NOISE at 25°C |
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