CRO2850A-LF 9939 Via Pasar • San Diego, CA 92126 TEL (858) 621-2700 FAX (858) 621-2722 VOLTAGE CONTROLLED OSCILLATOR Rev A1 £(f) (dBc/Hz) PHASE NOISE (1 Hz BW, typical) FEATURES • Frequency Range: 2845 - 2855 MHz • Tuning Voltage: 0.5-4.5 Vdc • MINI-16 - Style Package APPLICATIONS • Digital Radios • Fixed Broadband Wireless • Satellite Communications OFFSET (Hz) VALUE UNITS 2845 - 2855 MHz -117 dBc/Hz Harmonic Suppression (2nd, typ.) Tuning Voltage Tuning Sensitivity (avg.) -10 0.5-4.5 9 dBc Vdc MHz/V Power Output 6.5±2.5 dBm PERFORMANCE SPECIFICATIONS Oscillation Frequency Range Phase Noise @ 10 kHz offset (1 Hz BW, typ.) Load Impedance 50 Input Capacitance (max.) 50 pF Pushing <0.5 MHz/V Pulling ( 14 dB Return Loss, Any Phase) <0.5 MHz Operating Temperature Range -40 to 85 °C Package Style MINI-16 POWER SUPPLY REQUIREMENTS Supply Voltage (Vcc, nom.) Supply Current (Icc, typ.) 5 Vdc 19 mA All specifications are typical unless otherwise noted and subject to change without notice. APPLICATION NOTES • AN-100/1 : Mounting and Grounding of VCOs • AN-102 : Proper Output Loading of VCOs • AN-107 : How to Solder Z-COMM VCOs NOTES: © Z-Communications, Inc. LOW COST - HIGH PERFORMANCE Page 1 All rights reserved CRO2850A-LF VOLTAGE CONTROLLED OSCILLATOR PAGE 2 TUNING CURVE, typ. 2865 FREQUENCY (MHz) 2860 2855 2850 2845 2840 85 2835 25 2830 -40 °c °c °c 25 °c 2825 2820 2815 2810 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 TUNING VOLTAGE (Vdc) POWER OUTPUT (dBm) POWER CURVE, typ. 10 9 8 7 6 5 4 3 2 1 0 2819.78 2823.58 2827.37 2831.13 2835.22 2839.3 2843.87 2848.47 2852.75 2857.75 FREQUENCY (MHz) PHYSICAL DIMENSIONS PIN CONFIGURATION P1 Vt P2 RF Out P3 Vcc REST: GROUND Z-COMM XXXXXXXX-LF W/O# D/C PACKAGE MINI-16 H 0.220 MINI-16LOW 0.160 MINI-16L 0.130 NOTE: ALL DIMENSIONS ARE IN INCHES © Z-Communications, Inc. Page 2 Printed in the U.S.A.