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| v01.0302 MICROWAVE CORPORATION HMC398QS16G Ku-Band MMIC VCO with DIVIDE-BY-8, 14.0 - 15.0 GHz Features Pout: +7 dBm Phase Noise: -105 dBc/Hz @100 KHz Typ. No External Resonator Needed Single Supply: 5V @ 325 mA QSOP16G SMT Package Typical Applications Low noise MMIC VCO w/Divide-by-8 for Ku-Band applications such as: * Pt to Pt Radios * Multi-Pt Radios / LMDS * VSAT Functional Diagram General Description The HMC398QS16G is a single chip GaAs InGaP Heterojunction Bipolar Transistor (HBT) MMIC VCO. The HMC398QS16G integrates a resonator, negative resistance device, varactor diode and divide-by-8 prescaler. The VCO's phase noise performance is excellent over temperature, shock, and process due to the oscillator's monolithic structure. Power output is +7 dBm typical from a 5V supply voltage. The voltage controlled oscillator is packaged in a low cost, surface mount 16 leaded QSOP package with an exposed base for improved RF and thermal performance. The HMC398QS16G requires no external components 15 VCOs - SMT Parameter Frequency Range Power Output Electrical Specifications, TA = +25 C, Vcc1, Vcc2 = +5.0V Min. Typ. 14.0 - 15.0 RF Output Divided Output +3 -9 +7 -6 -105 Vtune Icc 1 (Digital) Icc 2 (RF) 1.0 65 260 10 2 1/2 3/2 2nd 5/2 -20 -30 -12 -40 4 30 1.5 10.0 Max. Units GHz dBm dBm dBc/Hz V mA mA A dB dBc dBc dBc dBc MHz pp MHz/V MHz/C SSB Phase Noise @ 100 kHz Offset, Vtune= +5V @ RF Output Tune Voltage Supply Current Tune Port Leakage Current (Vtune= 10V) Output Return Loss Harmonics/Subharmonics Pulling (into a 2.0:1 VSWR) Pushing @ Vtune= 5V Frequency Drift Rate 15 - 50 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 v01.0302 MICROWAVE CORPORATION HMC398QS16G Ku-Band MMIC VCO with DIVIDE-BY-8, 14.0 - 15.0 GHz GaAs MMIC SUB-HARMONICALLY Frequency vs. Tuning Voltage, Vcc= +5V PUMPED MIXER 17 - 25 GHz Frequency vs. Tuning Voltage, T= 25C 15.4 15.3 15.2 15.1 15 14.9 14.8 14.7 14.6 14.5 14.4 14.3 14.2 14.1 14 13.9 13.8 1 2 3 4 5 6 7 TUNING VOLTAGE (VOLTS) Vcc= 4.75V Vcc= 5.0V Vcc= 5.25V 15.4 15.3 15.2 15.1 15 14.9 14.8 14.7 14.6 14.5 14.4 14.3 14.2 14.1 14 13.9 13.8 1 2 3 4 5 6 7 TUNING VOLTAGE (VOLTS) OUTPUT FREQUENCY (GHz) OUTPUT FREQUENCY (GHz) +25 C +85 C -40 C 8 9 10 8 9 10 Sensitivity vs. Tuning Voltage, Vcc= +5V 400 350 SENSITIVITY (MHz/VOLT) 300 250 200 150 100 50 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= +5V 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1 2 3 OUTPUT POWER (dBm) 15 VCOs - SMT 15 - 51 +25 C +85 C -40 C 4 5 6 7 8 9 10 TUNING VOLTAGE (VOLTS) SSB Phase Noise vs. Tuning Voltage -60 -70 -80 -90 -100 -110 -120 1 2 3 4 5 6 7 8 9 10 TUNING VOLTAGE (VOLTS) 10 kHz offset 100 kHz offset 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 SSB PHASE NOISE (dBc/Hz) SSB PHASE NOISE (dBc/Hz) 10 4 10 5 10 6 10 7 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 v01.0302 MICROWAVE CORPORATION HMC398QS16G Ku-Band MMIC VCO with DIVIDE-BY-8, 14.0 - 15.0 GHz Divided Output Frequency vs. Tuning Voltage, Vcc= +5V DIVIDED OUTPUT FREQUENCY (GHz) Divided Output Power vs. Tuning Voltage, Vcc= +5V* 0 DIVIDED OUTPUT POWER (dBm) 1.94 1.92 1.9 1.88 1.86 1.84 1.82 1.8 1.78 1.76 1.74 1.72 1.7 1 2 3 4 5 6 7 8 9 10 TUNING VOLTAGE (VOLTS) +25 C +85 C -40 C -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 1 2 3 4 5 6 7 8 9 10 TUNING VOLTAGE (VOLTS) +25 C +85 C -40 C Divided Output SSB Phase Noise @ Vtune = 5V 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 3 10 15 VCOs - SMT SSB PHASE NOISE (dBc/Hz) 10 4 10 5 10 6 10 7 OFFSET FREQUENCY (Hz) *Note: Tuning voltage must not drop below 1.0V for proper divider output. 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 - 52 v01.0302 MICROWAVE CORPORATION HMC398QS16G Ku-Band MMIC VCO with DIVIDE-BY-8, 14.0 - 15.0 GHz Absolute Maximum Ratings Vcc1, Vcc2 Storage Temperature Operating Temperature Vtune +5.5 -65 to +150 C -40 to +85 C 0 to 11V Typical Supply Current vs. Vcc Vcc (V) 4.75 5.0 5.25 Icc (mA) 300 325 350 Note: VCO will operate over full voltage range shown above. Outline Drawing 15 VCOs - SMT 15 - 53 NOTES: 1. PACKAGE BODY MATERIAL: LOW STRESS INJECTION MOLDED PLASTIC. SILICA AND SILICON IMPREGNATED. 2. LEADFRAME MATERIAL: COPPER ALLOY 3. LEADFRAME PLATING: TIN/LEAD SOLDER 4. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 5. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15 mm PER SIDE. 6. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25 mm PER SIDE. 7. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF & DC GROUND. 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 v01.0302 MICROWAVE CORPORATION HMC398QS16G Ku-Band MMIC VCO with DIVIDE-BY-8, 14.0 - 15.0 GHz Pin Descriptions Pin Number Function Description Interface Schematic 1 RF OUT RF output (AC coupled). 2, 3, 4, 6, 8, 9, 10, 13, 14, 16 N/C No Connection 5 VTUNE Control Voltage Input. Modulation port bandwidth dependent on drive source impedance. 15 VCOs - SMT 7, 15 VCC1, VCC2 Supply Voltage, 5V 11 OUT Divided Output 12 NOUT Divided Output 180 output phase with pin 11. GND Package bottom has an exposed metal paddle that must be RF & DC grounded. 15 - 54 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 v01.0302 MICROWAVE CORPORATION HMC398QS16G Ku-Band MMIC VCO with DIVIDE-BY-8, 14.0 - 15.0 GHz Evaluation PCB 15 List of Materials Item J1 - J4 J5 - J6 C1 - C2 C3 - C6 U1 PCB* Description PC Mount SMA RF Connector 2 mm DC Header 10 F Tantalum Capacitor 1,000 pF Capacitor 0402 Pkg. HMC398QS16G VCO 104436 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 backside ground slug 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 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 - 55 VCOs - SMT MICROWAVE CORPORATION v01.0302 HMC398QS16G Ku-Band MMIC VCO with DIVIDE-BY-8, 14.0 - 15.0 GHz Typical Application Circuit 15 VCOs - SMT 15 - 56 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 MICROWAVE CORPORATION v01.0302 HMC398QS16G Ku-Band MMIC VCO with DIVIDE-BY-8, 14.0 - 15.0 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 - 57 |
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