CRO3250A 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) -60 FEATURES • Frequency Range: 3249 - 3251 MHz • Tuning Voltage: 0.5-4.5 Vdc • MINI-16 - Style Package APPLICATIONS • Point to Point Radio • Fixed Wireless Equipment • Satellite Communications £(f) (dBc/Hz) -70 -80 -90 -100 -110 -120 -130 -140 -150 1 E+3 10 E+3 100 E+3 OFFSET (Hz) VALUE UNITS 3249 - 3251 MHz -113 dBc/Hz -15 0.5-4.5 13 dBc Vdc MHz/V Power Output 2±2 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.) 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. Page 1 All rights reserved LOW COST - HIGH PERFORMANCE VOLTAGE CONTROLLED OSCILLATOR CRO3250A PAGE 2 TUNING CURVE, typ. FREQUENCY (MHz) 3300 3250 -55 °c °c °c 25 °c 85 25 3200 3150 0 0 .5 1 1.5 2 2.5 3 3.5 4 4.5 TUNING VOLTAGE (Vdc) POWER CURVE, typ. POWER OUTPUT (dBm) 5 4 3 2 1 0 -1 -2 3207 3216 3224 3232 3239 3247 3254 3261 3268 3273 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.