EURO QUARTZ EMV8T Series TCXO HCMOS 8 pin DIL, 'V' Group 8 pin DIL, hermetically-sealed package Wide frequency range: 27.0MHz to 200.0MHz Supply voltage 3.3 Volts Frequency stability from ±1ppm over -30 to +75°C EMV8T - OUTLINES AND DIMENSIONS DESCRIPTION EMV8T series TCXOs are packaged in an 8 pin DIL hermetically sealed 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. SPECIFICATION Product Series Code TCXO: VCTCXO: Frequency Range: Output Waveform: Initial Calibration Tolerance Models without trimmer: Models with trimmer: Standard Frequencies: EMV8T VEMV8T 27.0MHz to 200.0MHz Squarewave, HCMOS <±2.0ppm <±1.0ppm 30.0, 32.768, 38.880, 40.0, 50.0, 54.0, 64.0, 65.536, 77.76, 80.0, 128.0, 160.0 and 200.0MHz (Partial list) See table ±3.0ppm minimum Operating Temperature Range: Mechanical Frequency Tuning: Frequency Stability vs. Ageing: vs. Voltage Change: vs. Load Change: vs. Reflow (SMD type): ±1.0 ppm max. first year ±0.3 ppm max. ±5% change ±0.3 ppm max. ±10% change ±1.0ppm max. for one reflow (Measured after 24 hours) +3.3 Volts Logic High: 90% Vdd min. Logic Low: 10% Vdd max. 40mA maximum 10ns typical 50%±10% standard, 5ms typical, 10ms max. See table below 15pF -55~+125°C Supply Voltage: Output Logic Levels: Current Consumption: Rise and Fall Times: Duty Cycle: Start-up Time: Current Consumption: Output Load: Storage Temperature: VEMV8T VOLTAGE CONTROL SPECIFICATION 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 SSB PHASE NOISE at 25°C Offset FREQUENCY STABILITY Stability (ppm) Temp. Range (°C) P ±0.5 ±1.0 ±1.5 ±2.0 ±2.5 ±3.0 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 = available, x = not available, ASK = call Technical Sales Part = EMV8T33 10Hz 100Hz 1kHz 10kHz 100kHz at 77.760Mhz (dBc/Hz) -80 -110 -135 -130 -132 at 155.520Mhz (dBc/Hz) -80 -110 -125 -120 -125 PART NUMBERING SCHEDULE Example: EMV8T33-200.00-2.5/-30+75 Series Description TCXO = EMV8T VCTCXO = VEMV8T Supply Voltage 33 = 3.3 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 [email protected] www.euroquartz.co.uk