CRO2845A-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: 2770 - 2920 MHz • Tuning Voltage: 0.5-4.5 Vdc • MINI-16 - Style Package APPLICATIONS • Digital Radios • Fixed Broadband Wireless • Satellite Communications OFFSET (Hz) PERFORMANCE SPECIFICATIONS Oscillation Frequency Range Phase Noise @ 10 kHz offset (1 Hz BW, typ.) Harmonic Suppression (2nd, typ.) Tuning Voltage Tuning Sensitivity (avg.) Power Output VALUE UNITS 2770 - 2920 MHz -106 dBc/Hz -20 0.5-4.5 52 dBc Vdc MHz/V 10±3 dBm Load Impedance 50 Input Capacitance (max.) 50 Pushing <1 MHz/V Pulling (14 dB Return Loss, Any Phase) pF <1 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 20 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 CRO2845A-LF VOLTAGE CONTROLLED OSCILLATOR PAGE 2 FREQUENCY (MHz) TUNING CURVE, typ. 3000 2980 2960 2940 2920 2900 2880 2860 2840 2820 2800 2780 2760 2740 2720 2700 2680 °c °c °c 85 25 -40 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 TUNING VOLTAGE (Vdc) POWER OUTPUT (dBm) POWER CURVE, typ. 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 2709 °c °c °c 85 25 -40 2736 2762 2788 2814 2840 2869 2897 2926 2953 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.