CRO1900B-LF VOLTAGE CONTROLLED OSCILLATOR 9939 Via Pasar • San Diego, CA 92126 TEL (858) 621-2700 FAX (858) 621-2722 Rev A1 FEATURES • Frequency Range: 1898 - 1902 MHz • Tuning Voltage: 0.5-4.5 Vdc • MINI-16 - Style Package £(f) (dBc/Hz) PHASE NOISE (1 Hz BW, typical) APPLICATIONS • Digital Radio Equipment • Fixed Wireless Access • OFFSET (Hz) VALUE UNITS 1898 - 1902 MHz -121 dBc/Hz -12 0.5-4.5 6 dBc Vdc MHz/V Power Output 8±3 dBm Load Impedance 50 Input Capacitance (max.) 50 PERFORMANCE SPECIFICATIONS Oscillation Frequency Range Phase Noise @ 10 kHz offset (1 Hz BW, typ.) Harmonic Suppression (2nd, typ.) Tuning Voltage Tuning Sensitivity (avg.) pF Pushing <0.5 MHz/V Pulling ( 14 dB Return Loss, Any Phase) <0.5 MHz Operating Temperature Range -15 to 65 °C Package Style MINI-16 POWER SUPPLY REQUIREMENTS Supply Voltage (Vcc, nom.) Supply Current (Icc, typ.) 8 Vdc 41 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: This VCO is CRO1900A-LF but with regular labeling. © Z-Communications, Inc. LOW COST - HIGH PERFORMANCE Page 1 All rights reserved CRO1900B-LF VOLTAGE CONTROLLED OSCILLATOR PAGE 2 TUNING CURVE, typ. FREQUENCY (MHz) 1920 1910 1900 °c °c °c 65 25 1890 -15 1880 1870 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 TUNING VOLTAGE (Vdc) POWER OUTPUT (dBm) POWER CURVE, typ. 11 10 9 °c °c °c 65 8 25 7 -15 6 5 1879 1889 1897 1903 1909 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.