SRD02

SAW Products SR D02 Ultra Low Noise Phase locked 500 MHz SAW Oscillator Preliminary specification (Rev.A1) Features ..............................................................................P01 Environmental conditions.....................................................P01 Mechanical Characteristics .................................................P02 Technical Characteristics.....................................................P03 SAW Products SR D02 Ultra Low Noise Phase locked 500 MHz SAW Oscillator Preliminary specification (Rev.A1) May 2009 Features Phase locked SAW Oscillator Nominal Frequency: Ultra low phase noise: 500 MHz - 165 dBc/Hz @ 10 kHz offset (Typical) - 181 dBc/Hz noise floor (Typical) External reference: Digital phase lock loop Automatic frequency calibration at warm-up time Airborne environment (suspended oscillator core) Shielded package 70 x 70 x 35 mm SMA connectors for Frequency Output and Reference Input Solder pins (Feedthru filters) for DC power supply & status 10 MHz Ultra Stable Crystal Oscillator Environmental conditions Parameters Operating temperature range Storage temperature range Random vibration Mechanical shock Humidity Low pressure & temperature Constant acceleration Unit ° C ° C g²/Hz [BW Hz] - Minimum - 40 - 40 Typical Maximum + 70 + 85 0.02 [10-1000] 0.005 [1000-2000] Half sine 30 g 11 ms As per MIL-STD- 810F Method 507.4 (93% RH at 60° C) 120 hPa within [-40, +55 ° C] 18 g all directions 1 T EMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost. SAW Products SR D02 Ultra Low Noise Phase locked 500 MHz SAW Oscillator Preliminary specification (Rev.A1) May 2009 Mechanical characteristics Package: • • • • Machined, shielded enclosure SMA connector & Feedthru solder pins Case: AG4,5MC Finish: Ni15(I)/Zn1(II)/AG4,5MC Foot-print: • • Height: • • 35 mm typical ± 0.2 mm 70 x 70 mm typical ± 0.2 mm Pin description Pin number 1 2 3 4 Type Female SMA Feedthru + Ground Feedthru + Ground Female SMA Label Frequency output DC Supply voltage Status Reference input Function 500 MHz Oscillator & oven power supply Ready or Alarm 10 MHz 2 T EMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost. SAW Products SR D02 Ultra Low Noise Phase locked 500 MHz SAW Oscillator Preliminary specification (Rev.A1) May 2009 Technical Characteristics Block diagram Electrical specifications Electrical Parameters Frequency output (SMA Connector) Nominal frequency Relative frequency stability Warm up time (phase locked) Output level (50 Ω load) Harmonics suppression Phase noise @ 1 kHz offset (static) Phase noise @ 2 kHz offset Phase noise @ 10 kHz offset Phase noise @ 100 kHz offset Phase noise floor (see note here after) VSWR Reference input (SMA Connector) Nominal frequency Relative frequency stability (all causes) Input level (50 load) Harmonics suppression DC Supply voltage (VDC pin) Voltage range Supply current Ripple (DC to 5 MHz) Status (Status pin) Interface Logic 1 Logic 0 Open drain (external pull resistor to 3.3 V) Oscillator ready Alarm (Warm up or failure) VDC mA mVpp 11.75 12 300 @ + 25° C 12.25 750 10 MHz ppm dBm dBc 10 30 13 10 ± 0.3 Unit MHz ppm mn dBm dBc dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz 11.5 30 - 141 - 150 - 168 < - 180 < - 180 - 137 - 146 - 165 - 180 < - 180 - 134 - 143 - 162 - 175 - 175 2:1 Minimum Typical 500 As reference input 2 12.5 5 13.5 Maximum 3 T EMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost. SAW Products SR D02 Ultra Low Noise Phase locked 500 MHz SAW Oscillator Preliminary specification (Rev.A1) May 2009 Note on the measurement of SR D02 phase noise: • SR D02 features a phase noise floor which is better than the noise floor of current test setups as shown below with e. g. the PN9000 setup of Aeroflex: noise floor measurement is limited around – 175 dBc/Hz by the noise floor of the test setup, • Multi-channel measurement and cross correlation technique improve the noise floor of the test setup as e. g. with the new DCNTS (Dual Core Noise Test System) of Aeroflex: residual noise floor is better than – 190 dBc/Hz • With this later setup, SR D02 noise floor is measured at – 182 dBc/Hz! Typical phase noise Test setup : Aeroflex PN9000 Noise floor limitation PN9000 noise Typical phase noise Test setup : Aeroflex DCNTS No limitation on noise floor DCNTS noise 4 T EMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.