CRO2485A 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 £(f) (dBc/Hz) -70 FEATURES • Frequency Range: 2400 - 2569 MHz • Tuning Voltage: 0.5-4.5 Vdc • MINI-16 - Style Package APPLICATIONS • Digital Radio Equipment • Fixed Wireless Access • Satellite Communication Systems -80 -90 -100 -110 -120 -130 1 E+3 10 E+3 100 E+3 OFFSET (Hz) VALUE UNITS 2400 - 2569 MHz -101 dBc/Hz -20 0.5-4.5 62 dBc Vdc MHz/V Power Output 6±2 dBm Load Impedance 50 Input Capacitance (max.) 50 Pushing <3 MHz/V Pulling (14 dB Return Loss, Any Phase) PERFORMANCE SPECIFICATIONS Oscillation Frequency Range Phase Noise @ 10 kHz offset (1 Hz BW, typ.) Harmonic Suppression (2nd, typ.) Tuning Voltage Tuning Sensitivity (avg.) pF <4 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 24 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 CRO2485A PAGE 2 TUNING CURVE, typ. 2650 FREQUENCY (MHz) 2600 2550 2500 -40 °c °c °c 25 °c 85 2450 25 2400 2350 2300 2250 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 TUNING VOLTAGE (Vdc) POWER OUTPUT (dBm) POWER CURVE, typ. 8 7 6 5 4 3 2 2306 2342 2375 2407 2439 2470 2501 2532 2562 2592 FREQUENCY (MHz) PHYSICAL DIMENSIONS TYPICAL OF ALL PADS MINI-16 415-0061 REV. D (DRAWING NOT TO SCALE) SEE NOTE 3 .070 .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 0.500 0.475 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 0.475 0.420 0.320 0.000 0.115 0.220 .026 BOTTOM VIEW 0.105 0.115 SEE DETAIL 'A' P1 .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.