EURO QUARTZ GF8 VCXO 8 pin Dual-in-Line VCXO 50.01MHz ~ 640.0MHz Frequency range 50.01MHz to 640MHz LVCMOS Output Supply Voltage 3.3 VDC High Q fundamental crystal Ultra low jitter less than 1ps DESCRIPTION GF8 VCXOs, are packaged in an industry-standard, 8 pin Dual in Line package. GF8 VCXOs provide excellent phase jitter performance, less than 1ps. SPECIFICATION Frequency Range Supply Voltage: Output Logic: Integrated Phase Jitter: Period Jitter RMS: Period Jitter Peak to peak: Phase Noise: Initial Frequency Accuracy: Output Voltage HIGH (1): Output Voltage LOW (0): Frequency Deviation Range: Temperature Stability: Output Load: Start-up Time: Duty Cycle: Rise/Fall Times: Current Consumption <100MHz: >100MHz: Linearity: Modulation Bandwidth: Input Impedance: Slope Polarity: (Transfer function) Storage Temperature: Ageing: Enable/Disable (Tristate): RoHS Status: 50.01MHz to 640.0MHz 3.3 VDC ±5% LVCMOS 0.4ps typical, 0.5ps maximum (for 156.250MHz) 3.0ps typical (for 156.250MHz) 20ps typical (for 156.250MHz) Tune to the nominal frequency with Vc= 1.65 ±0.2VDC 90% Vdd minimum 10% Vdd maximum ±80ppm minimum 15pF 10ms maximum, 5ms typical 50% ±5% measured at 50% Vdd 0.7ns typical (15pF load) Offset 30mA maximum (15pF load) 40mA maximum (15pF load) 10% maximum, 6% typical 25kHz minimum 60kW minimum Monotonic and Positive. ( -50° to +100°C ±3ppm per year first year ±2ppm per year thereafter Not available ( Fully compliant PHASE NOISE 10Hz 100Hz 1kHz 10kHz 100kHz 1MHz 10MHz Frequency 155.25MHz -62dBc/Hz -92dBc/Hz -120dBc/Hz -132dBc/Hz -128dBc/Hz -140dBc/Hz -150dBc/Hz ) PART NUMBER SCHEDULE Example: FREQUENCY STABILITY Stability Code Stability ±ppm Temp. Range A 25 0°~+70°C B 50 0°~+70°C C 100 0°~+70°C D 25 -40°~+85°C E 50 -40°~+85°C F 100 -40°~+85°C If non-standard frequency stability is required Use ‘I’ followed by stability, i.e. I20 for ±20ppm 3GF8B-80N-156.25 Supply Voltage 3 = +3.3V Series Designator GF8 Stability over Temperature range ) ( Pullability in ±ppm Pullability determinator N = minimum M = maximum T = Typical Frequency in MHz 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