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| v01.0604 MICROWAVE CORPORATION HMC494LP3 SMT GaAs HBT MMIC DIVIDE-BY-8, DC - 18 GHz Features Ultra Low SSB Phase Noise: -150 dBc/Hz Very Wide Bandwidth Output Power: -4 dBm Single DC Supply: +5V 3 x 3 x 1 mm QFN Package Typical Applications Prescaler for DC to 18 GHz PLL Applications: * Point-to-Point / Multi-Point Radios * VSAT Radios 10 FREQ. DIVIDER & DETECTORS - SMT * Fiber Optic * Test Equipment * Military Functional Diagram General Description The HMC494LP3 is a low noise Divide-by-8 Static Divider utilizing InGaP GaAs HBT technology packaged in a leadless 3x3 mm QFN surface mount plastic package. This device operates from DC (with a square wave input) to 18 GHz input frequency from a single +5.0V DC supply. The low additive SSB phase noise of -150 dBc/Hz at 100 kHz offset helps the user maintain excellent system noise performance. Electrical Specifications, TA = +25 C, 50 Ohm System, Vcc= +5V Parameter Maximum Input Frequency Minimum Input Frequency Input Power Range Sine Wave Input. [1] Fin = 2 to 12 GHz Fin = 12 to 16 GHz Fin = 16 to 18 GHz Output Power Reverse Leakage SSB Phase Noise (100 kHz offset) Output Transition Time Supply Current (Icc1 + Icc2) Fin = 0.5 to 18 GHz Both RF Outputs Terminated Pin = 0 dBm, Fin = 6 GHz Pin = 0 dBm, Fout = 882 MHz -15 -15 -10 -7 Conditions Min. 18 Typ. 19 0.2 -20 -20 -15 -4 55 -150 100 103 0.5 +10 +3 0 Max. Units GHz GHz dBm dBm dBm dBm dB dBc/Hz ps mA 1. Divider will operate down to DC for square-wave input signal. 10 - 130 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 v01.0604 HMC494LP3 SMT GaAs HBT MMIC DIVIDE-BY-8, DC - 18 GHz GaAs MMIC SUB-HARMONICALLY Input Sensitivity Window17 Temperature PUMPED MIXER vs. - 25 GHz Input Sensitivity Window, T= 25 C 20 20 10 INPUT POWER (dBm) INPUT POWER (dBm) 10 0 Recommended Operating Window 0 -10 -10 Min Pin +25C Max Pin +25C Min Pin +85C Max Pin +85C Min Pin -40C Max Pin -40C 10 14 16 18 20 -30 0 2 4 6 8 10 12 14 16 18 20 INPUT FREQUENCY (GHz) -30 0 2 4 6 8 10 12 INPUT FREQUENCY (GHz) Output Power vs. Temperature 0 -1 OUTPUT POWER (dBm) -2 -3 -4 -5 -6 -7 -8 -9 -10 0 2 4 6 8 10 12 14 16 18 20 INPUT FREQUENCY (GHz) +25C +85C -40C SSB Phase Noise Performance, Pin= 0 dBm, T= 25 C 0 -20 SSB PHASE NOISE (dBc/Hz) -40 -60 -80 -100 -120 -140 -160 2 10 10 3 10 4 10 5 10 6 10 7 OFFSET FREQUENCY (Hz) Output Harmonic Content, Pin= 0 dBm, T= 25 C 0 Reverse Leakage, Pin= 0 dBm, T= 25 C 0 -10 Both Output Ports Terminated One Output Port Terminated -10 OUTPUT LEVEL (dBm) OUTPUT LEVEL (dBm) -20 -30 -40 -50 -60 -70 -50 0 2 4 6 8 10 12 14 16 18 20 INPUT FREQUENCY (GHz) -80 0 2 4 6 8 10 -20 Pfeedthru 2nd Harmonic 3rd Harmonic -30 -40 12 14 16 18 20 INPUT FREQUENCY (GHz) 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 10 - 131 FREQ. DIVIDERS & DETECTORS - SMT -20 -20 MICROWAVE CORPORATION v01.0604 HMC494LP3 SMT GaAs HBT MMIC DIVIDE-BY-8, DC - 18 GHz Output Voltage Waveform, Pin= 0 dBm, Fout= 882 MHz, T= 25 C 500 400 300 AMPLITUDE (mV) 200 100 0 -100 -200 -300 Absolute Maximum Ratings RF Input (Vcc = +5V) Supply Voltage (Vcc1, Vcc2) Channel Temperature (Tc) Continuous Pdiss (T = 85 C) (derate 11.9 mW/ C above 85 C) Thermal Resistance (RTH) (junction to ground paddle) Storage Temperature Operating Temperature +13 dBm +5.5V 135 C 593 mW 10 FREQ. DIVIDER & DETECTORS - SMT 84 C/W -65 to +150 C -40 to +85 C -400 -500 22.7 22.9 23.1 23.3 23.5 23.7 23.9 24.1 24.3 24.5 24.7 TIME (nS) Typical Supply Current vs. Vcc Vcc1, Vcc2 (V) 4.75 5.0 5.25 Icc (mA) 90 103 115 Outline Drawing Note: Divider will operate over full voltage range shown above 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. 10 - 132 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 v01.0604 HMC494LP3 SMT GaAs HBT MMIC DIVIDE-BY-8, DC - 18 GHz Pin Description Pin Number 1, 4-9, 12, 13, 16 Function N/C Description No connection. Interface Schematic 10 FREQ. DIVIDERS & DETECTORS - SMT 10 - 133 2 IN RF Input must be DC blocked. 3 IN RF Input 180 out of phase with pin 2 for differential operation. AC ground for single ended operation. 10 OUT Divided Output. 11 OUT Divided output 180 out of phase with pin 10. 14, 15 Vcc1, Vcc2 Supply voltage 5V 0.25V. Connect both pins to +5V supply. GND Ground: Backside of package has exposed metal ground slug which must be connected to 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 MICROWAVE CORPORATION v01.0604 HMC494LP3 SMT GaAs HBT MMIC DIVIDE-BY-8, DC - 18 GHz Evaluation PCB 10 FREQ. DIVIDER & DETECTORS - SMT List of Materials Item J1 - J3 J4, J5 C2 - C5 C6 C1 U1 PCB* Description PC Mount SMA RF Connector DC Pin 100 pF Capacitor, 0402 Pkg. 1000 pF Capacitor, 0603 Pkg. 2.2 uF Tantalum Capacitor HMC492LP3 Divide-by-2 107197 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. This evaluation board is designed for single ended input testing. J2 and J3 provide differential output signals. * Circuit Board Material: Rogers 4350 10 - 134 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 v01.0604 HMC494LP3 SMT GaAs HBT MMIC DIVIDE-BY-8, DC - 18 GHz Application Circuit 10 FREQ. DIVIDERS & DETECTORS - 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 10 - 135 |
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