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| v01.0604 MICROWAVE CORPORATION HMC385LP4 MMIC VCO w/ BUFFER AMPLIFIER, 2.25 - 2.5 GHz Features Pout: +4.5 dBm Phase Noise: -115 dBc/Hz @100 KHz No External Resonator Needed Single Supply: 3V @ 35 mA QFN Leadless SMT Package, 16 mm2 Typical Applications Low noise MMIC VCO w/Buffer Amplifier for: * Wireless Infrastructure * Industrial Controls * Test Equipment * Military Functional Diagram General Description The HMC385LP4 is a GaAs InGaP Heterojunction Bipolar Transistor (HBT) MMIC VCO with integrated resonator, negative resistance device, varactor diode, and buffer amplifier. Covering 2.25 to 2.5 GHz, the VCO's phase noise performance is excellent over temperature, shock, vibration and process due to the oscillator's monolithic structure. Power output is 4.5 dBm typical from a single supply of 3V @ 35mA. The voltage controlled oscillator is packaged in a low cost leadless QFN 4 x 4 mm surface mount package. 15 VCOs - SMT Electrical Specifications, TA = +25 C, Vcc = +3V Parameter Frequency Range Power Output SSB Phase Noise @ 100 kHz Offset, Vtune= +5V @ RF Output Tune Voltage (Vtune) Supply Current (Icc) (Vcc = +3.0V) Tune Port Leakage Current Output Return Loss Harmonics 2nd 3rd Pulling (into a 2.0:1 VSWR) Pushing @ Vtune= +5V Frequency Drift Rate 9 0 35 10 1.5 Min. Typ. 2.25 - 2.5 4.5 -115 10 Max. Units GHz dBm dBc/Hz V mA A dB -7 -23 2.0 -2 0.25 dBc dBc MHz pp MHz/V MHz/C 15 - 14 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com v01.0604 MICROWAVE CORPORATION HMC385LP4 MMIC VCO w/ BUFFER AMPLIFIER, 2.25 - 2.5 GHz Frequency vs. Tuning Voltage, T= 25C 2.6 OUTPUT FREQUENCY (GHz) 2.5 2.4 2.3 2.2 2.1 2 0 1 2 3 4 5 6 7 8 9 10 TUNING VOLTAGE (VOLTS) Vcc=2.75V Vcc=3.0V Vcc=3.25V Frequency vs. Tuning Voltage, Vcc= +3V 2.6 OUTPUT FREQUENCY (GHz) 2.5 2.4 2.3 2.2 2.1 2 0 1 2 3 4 5 6 7 8 9 10 TUNING VOLTAGE (VOLTS) +25 C +85 C -40 C Sensitivity vs. Tuning Voltage, Vcc= +3V 180 160 SENSITIVITY (MHz/VOLT) 140 120 100 80 60 40 20 0 0 1 2 3 4 5 6 7 8 9 10 TUNING VOLTAGE (VOLTS) +25 C +85 C -40 C Output Power vs. Tuning Voltage, Vcc= +3V 8 7 OUTPUT POWER (dBm) 6 5 4 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 TUNING VOLTAGE (VOLTS) +25 C +85 C -40 C 15 VCOs - SMT 15 - 15 Phase Noise vs. Tuning Voltage -80 SSB PHASE NOISE (dBc/Hz) -85 -90 -95 10 KHz Offset 100 KHz Offset Typical SSB Phase Noise @ Vtune= +5V 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 3 10 +25 C +85 C -40 C -100 -105 -110 -115 -120 0 1 2 3 4 5 6 SSB PHASE NOISE (dBc/Hz) 7 8 9 10 10 4 10 5 10 6 10 7 TUNING VOLTAGE (VOLTS) OFFSET FREQUENCY (Hz) For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com v01.0604 MICROWAVE CORPORATION HMC385LP4 MMIC VCO w/ BUFFER AMPLIFIER, 2.25 - 2.5 GHz Absolute Maximum Ratings Vcc Vtune Channel Temperature Continuous Pdiss (T = 85C) (derate 6.28 mW/C above 85C) Storage Temperature Operating Temperature +3.5 Vdc 0 to +11V 135 C 565 W Typical Supply Current vs. Vcc Vcc (V) 2.75 3.0 3.25 Icc (mA) 28 35 41 Note: VCO will operate over full voltage range shown above. -65 to +150 C -40 to +85 C Outline Drawing 15 VCOs - SMT NOTES: 1. MATERIAL PACKAGE BODY: LOW STRESS INJECTION MOLDED PLASTIC SILICA AND SILICON IMPREGNATED. 2. LEAD AND GROUND PADDLE MATERIAL: COPPER ALLOY 3. LEAD AND GROUND PADDLE PLATING: Sn/Pb SOLDER 4. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 5. LEAD SPACING TOLERANCE IS NON-CUMULATIVE 6. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM. PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM. 7. PACKAGE WARP SHALL NOT EXCEED 0.05mm. 8. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 9. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED PCB LAND PATTERN. 15 - 16 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com v01.0604 MICROWAVE CORPORATION HMC385LP4 MMIC VCO w/ BUFFER AMPLIFIER, 2.25 - 2.5 GHz Pin Descriptions Pin Number 1- 14, 17 - 19, 21, 23, 24 Function N/C Description No Connection Interface Schematic 15 GND This pin must be connected to RF & DC ground. 16 RFOUT RF output (AC coupled) 20 Vcc Supply Voltage Vcc= 3V 22 VTUNE Control Voltage Input. Modulation port bandwidth dependent on drive source impedance. 15 VCOs - SMT 15 - 17 GND Package bottom has an exposed metal paddle that must be RF & DC grounded. For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com v01.0604 MICROWAVE CORPORATION HMC385LP4 MMIC VCO w/ BUFFER AMPLIFIER, 2.25 - 2.5 GHz Evaluation PCB 15 VCOs - SMT List of Materials Item J1 - J2 J3 - J4 C1 C2 U1 PCB* Description PC Mount SMA RF Connector DC Pin 4.7 F Tantalum Capacitor 10,000 pF Capacitor, 0603 Pkg. HMC385LP4 VCO 105667 Eval Board The circuit board used in the final application should use RF circuit design techniques. Signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and bottom ground planes. The evaluation circuit board shown is available from Hittite upon request. * Circuit Board Material: Rogers 4350 15 - 18 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com v01.0604 MICROWAVE CORPORATION HMC385LP4 MMIC VCO w/ BUFFER AMPLIFIER, 2.25 - 2.5 GHz Notes: 15 VCOs - SMT For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com 15 - 19 |
Price & Availability of HMC385LP4
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