SRB248

SAW Products Ultra Low Noise Voltage Controlled 480 MHz SAW Oscillator Tentative specification Features ..............................................................................P01 Environmental conditions.....................................................P01 Mechanical Characteristics .................................................P02 Technical Characteristics.....................................................P03 SAW Products SR B248 Features Ultra Low Noise Voltage Controlled 480 MHz SAW Oscillator Tentative specification March, 2008 Ultra Low Noise (ULN), Oven Controlled, Voltage Controlled, SAW Oscillator (OCVCSO) Output frequency: Ultra low phase noise: 480 MHz - 165 dBc/Hz @ 10 kHz offset (typical) < - 174 dBc/Hz noise floor (typical) Frequency fine tuning by temperature control of the oven Operating temperature range : [- 20 to + 50° C] Environment: Applications: o o o Instrumentation: phase noise analyzer, synthesizer Ground based or naval military equipment & test bench Radar & Telecom simulator shelters, stabilized platforms Rugged packaging: 95 x 76 x 23 mm [3.75 x 3 x .92 “] SMA connector for the frequency output + 2 feedthrus for DC supply and VControl Typical phase noise Environmental conditions Parameters Operating temperature range Storage temperature range Unit ° C ° C Minimum - 20 - 40 Typical Maximum + 50 + 85 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 B248 Ultra Low Noise Voltage Controlled 480 MHz SAW Oscillator Tentative specification March, 2008 Mechanical characteristics Package: • • Machined, shielded enclosure SMA connector & feedthru solder pins Foot-print: • • Height: • • 23.3 mm max. [0.916 inch] 96 x 77 mm max. [3.75 x 3 inch] Pin description Pin number 1 2 3 4 5 Type Feedthru Feedthru + Ground Female SMA Feedthru + Ground Feedthru Label NA DC Supply voltage Frequency output Voltage control NA Function NC Oscillator & oven power supply Frequency output Voltage control for electrical tuning NC 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 B248 Ultra Low Noise Voltage Controlled 480 MHz SAW Oscillator Tentative specification March, 2008 Technical Characteristics Block diagram V DC SR B248 Frequency Output VDC Case DC Supply voltage Ground Vc Voltage Control 0/Vc Phase shifter Oven SAW Res. PS BPF V DC Electrical specifications Electrical Parameters Frequency output (SMA Connector) Nominal frequency Output level (50 Ω load) Harmonics suppression Phase noise @ 1 kHz offset Phase noise @ 10 kHz offset Phase noise @ 100 kHz offset Phase noise floor VSWR Free running mode (Voltage Control pin NC) Factory set accuracy @ 25 ° C Temperature stability Aging per year Electrical tuning (Voltage Control pin) Relative tuning range Voltage range Slope @ V control = 4.7 V DC supply voltage (DC supply voltage pin) Voltage range Supply current Warm up time VDC mA mn 11.8 12 250 @ 25° C 4 12.2 600 5 ppm VDC Hz / V ±2 3 750 ±3 4.7 1000 7 1500 ppm ppm ppm ± 0.2 ±1 ± 0.5 ±2 ±1 Unit MHz dBm dBc dBc/Hz dBc/Hz dBc/Hz dBc/Hz 11.5 -30 -142 -170 < -175 < -175 - 137 - 165 - 174 < - 175 1.5:1 - 135 - 163 - 173 - 175 2:1 Minimum Typical 480 12.5 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.