CRO1940A VOLTAGE CONTROLLED OSCILLATOR 9939 Via Pasar • San Diego, CA 92126 TEL (858) 621-2700 FAX (858) 621-2722 Rev A1 PHASE NOISE (1 Hz BW, typical) -60 FEATURES • Frequency Range: 1910 - 1970 MHz • Tuning Voltage: 0.5-4.5 Vdc • MINI-16 - Style Package £(f) (dBc/Hz) -70 -80 -90 -100 -110 -120 -130 -140 APPLICATIONS • Digital Radio Equipment • Fixed Wireless Access • Satellite Communication Systems -150 1 E+3 10 E+3 100 E+3 OFFSET (Hz) VALUE UNITS 1910 - 1970 MHz -113 dBc/Hz -20 0.5-4.5 22 dBc Vdc MHz/V Power Output 4±2 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 -40 to 85 °C Package Style MINI-16 POWER SUPPLY REQUIREMENTS Supply Voltage (Vcc, nom.) Supply Current (Icc, typ.) 5 Vdc 27 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 CRO1940A PAGE 2 TUNING CURVE, typ. FREQUENCY (MHz) 2000 1980 1960 -40 °c °c °c 25 °c 1940 85 1920 25 1900 1880 1860 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 TUNING VOLTAGE (Vdc) POWER OUTPUT (dBm) POWER CURVE, typ. 6 5 4 3 2 1 0 1892 1903 1913 1923 1934 1944 1955 1964 1973 1981 1987 FREQUENCY (MHz) PHYSICAL DIMENSIONS TYPICAL OF ALL PADS MINI-16 415-0061 REV. D (DRAWING NOT TO SCALE) .070 SEE NOTE 3 .037 NOTES: 1. THE INSIDE RADIUS OF ALL 16 HALF HOLES AT THE PERIMETER OF THE BOARD ARE PLATED TO PROVIDE A SURFACE FOR THE ATTACHMENT OF THE VCO TO A PCB, IN 13 LOCATIONS, WITH 3 PADS BEING USED FOR ELECTROMECHANICAL INTERFACE. 16 SOLDER LOCATIONS REQUIRED. 2. THE SURFACE OF THE SHIELD IS TIN PLATED AND MAY BE SOLDERED TO. THE SHIELD'S BASE METAL IS COLD ROLLED STEEL. 3. THE GROUND PLANE IS GROUND AND ATTACHES TO A GROUND TRACK ON THE UPPER SIDE OF THE BOARD AS WELL AS THE SHIELD BY PTH. 4. UNLESS OTHERWISE NOTED ALL DIMENSIONS ARE IN INCHES. 5. UNLESS OTHERWISE NOTED ALL TOLERANCES ARE AS FOLLOWS: TOLERANCES .XXX= ± .010 .031 .052 .114 0.500 DETAIL A P2 0.415 0.405 0.305 0.315 P3 0.205 -.005 P1=VT P2=RF OUT P3=Vcc TABS RANGE: SEE NOTE 5. (4 PLACES) 0.215 .465 0.420 0.475 0.220 0.500 0.475 0.320 0.115 0.000 .026 BOTTOM VIEW 0.105 0.115 P1 SEE DETAIL 'A' .220 .070 TYP .150 0.500 0.385 .034 0.000 0.285 0.185 0.085 0.025 0.025 0.000 TYP GROUND PLANE SOLDER PLATED © Z-Communications, Inc. Page 2 Printed in the U.S.A.