CRO2851A 9939 Via Pasar • San Diego, CA 92126 TEL (858) 621-2700 FAX (858) 621-2722 VOLTAGE CONTROLLED OSCILLATOR Rev A1 PHASE NOISE (1 Hz BW, typical) FEATURES • Frequency Range: 2851 - 2851 MHz • Tuning Voltage: 0.5-4.5 Vdc • MINI-16 - Style Package APPLICATIONS • Digital Radios • Fixed Broadband Wireless • Satellite Communications £(f) (dBc/Hz) -70 -80 -90 -100 -110 -120 -130 -140 1000 10000 100000 OFFSET (Hz) VALUE UNITS 2851 - 2851 MHz -114 dBc/Hz -16 0.5-4.5 5 dBc Vdc MHz/V 6.25±2.25 dBm Load Impedance 50 Ω Input Capacitance (max.) 50 pF 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 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 18 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. Page 1 All rights reserved LOW COST - HIGH PERFORMANCE VOLTAGE CONTROLLED OSCILLATOR CRO2851A PAGE 2 TUNING CURVE, typ. 2870 FREQUENCY (MHz) 2865 2860 2855 -40 °c °c °c 25 °c 85 2850 25 2845 2840 2835 2830 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 TUNING VOLTAGE (Vdc) POWER CURVE, typ. POWER OUTPUT (dBm) 10 9 8 7 6 5 4 3 2 1 0 2840 2843 2846 2848 2851 2853 2856 2859 2862 2865 FREQUENCY (MHz) PHYSICAL DIMENSIONS MINI-16 415-0061 REV. B (DRAWING NOT TO SCALE) ± © Z-Communications, Inc. Page 2 Printed in the U.S.A.