OSCILLATOR

www.DataSheet4U.com 9939 Via Pasar • San Diego, CA 92126 TEL (858) 621-2700 FAX (858) 621-2722 CRO1740B-LF VOLTAGE CONTROLLED OSCILLATOR Rev A1 PHASE NOISE (1 Hz BW, typical) FEATURES • Frequency Range: 1720 - 1760 MHz • Tuning Voltage: 2-13.5 Vdc • MINI-16 - Style Package APPLICATIONS • Digital Radio Equipment • Fixed Wireless Access • Satellite Communication Systems 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 1720 - 1760 -118 -26 2-13.5 5 3.5±2.5 50 50 <1.5 <1 -40 to 85 MINI-16 8.5 30 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: © Z-Communications, Inc. Page 1 All rights reserved LOW COST - HIGH PERFORMANCE VOLTAGE CONTROLLED OSCILLATOR TUNING CURVE, typ. 1780 CRO1740B-LF PAGE 2 FREQUENCY (MHz) 1760 1740 85 25 -40 1720 °c °c °c 1700 1680 0 2 4 6 8 10 12 14 TUNING VOLTAGE (Vdc) POWER CURVE, typ. POWER OUTPUT (dBm) 8 7 6 5 4 3 2 1 0 1700 85 25 -40 °c °c °c 1710 1719 1727 1736 1746 1757 1768 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 © Z-Communications, Inc. Page 2 Printed in the U.S.A.