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| CRO1900B-LF 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: 1898 - 1902 MHz * Tuning Voltage: 0.5-4.5 Vdc * MINI-16 - Style Package APPLICATIONS * Digital Radio Equipment * Fixed Wireless Access * 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 Load Impedance Input Capacitance (max.) Pushing Pulling ( 14 dB Return Loss, Any Phase) (f) (dBc/Hz) OFFSET (Hz) VALUE 1898 - 1902 -121 -12 0.5-4.5 6 83 50 50 <0.5 <0.5 -15 to 65 MINI-16 8 41 APPLICATION NOTES Vdc mA pF MHz/V MHz C UNITS MHz dBc/Hz dBc Vdc MHz/V dBm Operating Temperature Range Package Style POWER SUPPLY REQUIREMENTS Supply Voltage (Vcc, nom.) Supply Current (Icc, typ.) All specifications are typical unless otherwise noted and subject to change without notice. * 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. (c) Z-Communications, Inc. Page 1 All rights reserved LOW COST - HIGH PERFORMANCE VOLTAGE CONTROLLED OSCILLATOR TUNING CURVE, typ. 1920 CRO1900B-LF PAGE 2 FREQUENCY (MHz) 1910 1900 65 25 -15 1890 c c c 1880 1870 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 TUNING VOLTAGE (Vdc) POWER CURVE, typ. POWER OUTPUT (dBm) 11 10 9 8 7 6 5 1879 65 25 -15 c c c 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 MINI-16LOW MINI-16L H 0.220 0.160 0.130 NOTE: ALL DIMENSIONS ARE IN INCHES (c) Z-Communications, Inc. Page 2 Printed in the U.S.A. |
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