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| v01.0304 MICROWAVE CORPORATION HMC442 GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 25.5 GHz Features Saturated Power: +23 dBm @ 25% PAE Gain: 15 dB Supply Voltage: +5.0 V 50 Ohm Matched Input/Output 1 AMPLIFIERS - CHIP Typical Applications The HMC442 is ideal for use as a medium power amplifier for: * Point-to-Point Radios * Point-to-Multi-Point Radios * VSAT Functional Diagram General Description The HMC442 is an efficient GaAs PHEMT MMIC Medium Power Amplifier which operates between 17.5 and 25.5 GHz. The HMC442 provides 15 dB of gain, +23 dBm of saturated power and 25% PAE from a +5.0 V supply voltage. The amplifier chip can easily be integrated into Multi-ChipModules (MCMs) due to its small (0.96mm2) size. All data is tested with the chip in a 50 Ohm test fixture connected via 0.025mm (1 mil) diameter wire bonds of minimal length 0.31mm (12 mils). Electrical Specifications, TA = +25 C, Vdd = 5V, Idd = 85 mA* Parameter Frequency Range Gain Gain Variation Over Temperature Input Return Loss Output Return Loss Output Power for 1 dB Compression (P1dB) Saturated Output Power (Psat) Output Third Order Intercept (IP3) Noise Figure Supply Current (Idd)(Vdd = 5V, Vgg = -1V Typ.) 18 20 12 Min. Typ. 17.5 - 21.0 14.5 0.02 15 10 21 23 29 6.5 85 18.5 20 0.03 12 Max. Min. Typ. 21.0 - 24.0 15 0.02 13 10 21.5 23 28 5.5 85 19 20 0.03 13.5 Max. Min. Typ. 24.0 - 25.5 16 0.02 10 10 22 23.5 27 6 85 0.03 Max. Units GHz dB dB/ C dB dB dBm dBm dBm dB mA * Adjust Vgg between -1.5 to -0.5V to achieve Idd = 85 mA typical. 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 1 - 68 v01.0304 MICROWAVE CORPORATION HMC442 GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 25.5 GHz GaAs MMIC SUB-HARMONICALLY Gain vs. Temperature PUMPED MIXER Broadband Gain & Return Loss 20 15 10 RESPONSE (dB) 17 - 25 GHz 20 18 16 S21 S11 S22 1 AMPLIFIERS - CHIP 1 - 69 5 0 -5 -10 -15 -20 -25 -30 14 GAIN (dB) 12 10 8 6 4 2 0 +25 C +85 C -55 C 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 FREQUENCY (GHz) 16 17 18 19 20 21 22 23 24 25 26 27 FREQUENCY (GHz) Input Return Loss vs. Temperature 0 -5 RETURN LOSS (dB) Output Return Loss vs. Temperature 0 -5 RETURN LOSS (dB) -10 -15 -20 +25 C -10 -15 -20 -25 -30 +25 C +85 C -55 C -25 -30 16 17 18 19 20 21 22 23 24 25 +85 C -55 C 26 27 16 17 18 19 20 21 22 23 24 25 26 27 FREQUENCY (GHz) FREQUENCY (GHz) P1dB vs. Temperature 30 28 26 24 P1dB (dBm) Psat vs. Temperature 30 28 26 24 Psat (dBm) +25 C +85 C -55 C 22 20 18 16 14 12 10 16 17 18 19 20 21 22 23 24 25 26 27 FREQUENCY (GHz) 22 20 18 16 14 12 10 16 17 18 19 20 21 22 23 24 25 26 27 FREQUENCY (GHz) +25 C +85 C -55 C 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 v01.0304 MICROWAVE CORPORATION HMC442 GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 25.5 GHz 1 AMPLIFIERS - CHIP Power Compression @ 21 GHz 26 24 22 20 18 16 14 12 10 8 6 4 2 0 -10 Pout (dBm), GAIN (dB), PAE (%) Pout (dBm) Gain (dB) PAE (%) Power Compression @ 25 GHz 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 -10 Pout (dBm), GAIN (dB), PAE (%) Pout (dBm) Gain (dB) PAE (%) -8 -6 -4 -2 0 2 4 6 8 10 12 14 -8 -6 -4 -2 0 2 4 6 8 10 12 14 INPUT POWER (dBm) INPUT POWER (dBm) Output IP3 vs. Temperature 34 32 30 28 OIP3 (dBm) Noise Figure vs. Temperature 10 9 8 NOISE FIGURE (dB) 7 6 5 4 3 2 1 0 +25 C +85 C -55 C 26 24 22 20 18 16 14 16 17 18 19 20 21 22 23 24 25 26 27 FREQUENCY (GHz) +25 C +85 C -55 C 16 17 18 19 20 21 22 23 24 25 26 FREQUENCY (GHz) Gain & Power vs. Supply Voltage@ 25 GHz 26 GAIN (dB), P1dB (dBm), Psat (dBm) Reverse Isolation vs. Temperature 0 -10 ISOLATION (dB) -20 -30 -40 -50 -60 16 17 18 19 20 21 22 23 24 25 26 27 FREQUENCY (GHz) 24 22 20 18 16 14 12 Gain P1dB Psat +25 C +85 C -55 C 10 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5 Vdd Supply Voltage (Vdc) 1 - 70 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 v01.0304 MICROWAVE CORPORATION HMC442 GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 25.5 GHz Absolute Maximum Ratings Drain Bias Voltage (Vdd) Gate Bias Voltage (Vgg) RF Input Power (RFin)(Vdd = +5.0 Vdc) Channel Temperature Continuous Pdiss (T= 85 C) (derate 5.46 mW/C above 85 C) Thermal Resistance (channel to die bottom) Storage Temperature Operating Temperature +5.5 Vdc -4.0 to 0 Vdc +20 dBm 175 C 0.491 W Typical Supply Current vs. Vdd Vdd (Vdc) +4.5 +5.0 +5.5 +2.7 +3.0 Idd (mA) 82 85 89 79 83 86 1 AMPLIFIERS - CHIP 1 - 71 183 C/W -65 to +150 C -55 to +85 C +3.3 Note: Amplifier will operate over full voltage ranges shown above Outline Drawing NOTES: 1. ALL DIMENSIONS ARE IN INCHES [MM] 2. DIE THICKNESS IS .004" 3. TYPICAL BOND IS .004" SQUARE 4. BACKSIDE METALLIZATION: GOLD 5. BOND PAD METALLIZATION: GOLD 6. BACKSIDE METAL IS GROUND. 7. CONNECTION NOT REQUIRED FOR UNLABELED BOND PADS. 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 v01.0304 HMC442 GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 25.5 GHz 1 AMPLIFIERS - CHIP Pad Descriptions Pin Number Function Description Interface Schematic 1 Vgg Gate control for amplifier. Adjust to achieve Id of 85 mA. Please follow "MMIC Amplifier Biasing Procedure" Application Note. 2 RF IN This pad is AC coupled and matched to 50 Ohms from 17.5 - 25.5 GHz. 3 Vdd Power Supply Voltage for the amplifier. External bypass capacitors of 100 pF and 0.01 F are required. 4 RF OUT This pad is AC coupled and matched to 50 Ohms from 17.5 - 25.5 GHz. 1 - 72 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 v01.0304 HMC442 GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 25.5 GHz Assembly Diagram 1 AMPLIFIERS - CHIP 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 1 - 73 MICROWAVE CORPORATION v01.0304 HMC442 GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 25.5 GHz 1 AMPLIFIERS - CHIP Mounting & Bonding Techniques for Millimeterwave GaAs MMICs The die should be attached directly to the ground plane eutectically or with conductive epoxy (see HMC general Handling, Mounting, Bonding Note). 50 Ohm Microstrip transmission lines on 0.127mm (5 mil) thick alumina thin film substrates are recommended for bringing RF to and from the chip (Figure 1). If 0.254mm (10 mil) thick alumina thin film substrates must be used, the die should be raised 0.150mm (6 mils) so that the surface of the die is coplanar with the surface of the substrate. One way to accomplish this is to attach the 0.102mm (4 mil) thick die to a 0.150mm (6 mil) thick molybdenum heat spreader (moly-tab) which is then attached to the ground plane (Figure 2). Microstrip substrates should brought as close to the die as possible in order to minimize bond wire length. Typical dieto-substrate spacing is 0.076mm to 0.152 mm (3 to 6 mils). 1 - 74 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 v01.0304 HMC442 GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 25.5 GHz Handling Precautions Follow these precautions to avoid permanent damage. 1 AMPLIFIERS - CHIP 1 - 75 Cleanliness: Handle the chips in a clean environment. DO NOT attempt to clean the chip using liquid cleaning systems. Static Sensitivity: Follow ESD precautions to protect against > 250V ESD strikes. Transients: Suppress instrument and bias supply transients while bias is applied. Use shielded signal and bias cables to minimize inductive pick-up. General Handling: Handle the chip along the edges with a vacuum collet or with a sharp pair of bent tweezers. The surface of the chip has fragile air bridges and should not be touched with vacuum collet, tweezers, or fingers. Mounting The chip is back-metallized and can be die mounted with AuSn eutectic preforms or with electrically conductive epoxy. The mounting surface should be clean and flat. Eutectic Die Attach: A 80/20 gold tin preform is recommended with a work surface temperature of 255 deg. C and a tool temperature of 265 deg. C. When hot 90/10 nitrogen/hydrogen gas is applied, tool tip temperature should be 290 deg. C. DO NOT expose the chip to a temperature greater than 320 deg. C for more than 20 seconds. No more than 3 seconds of scrubbing should be required for attachment. Epoxy Die Attach: Apply a minimum amount of epoxy to the mounting surface so that a thin epoxy fillet is observed around the perimeter of the chip once it is placed into position. Cure epoxy per the manufacturer's schedule. Wire Bonding Ball or wedge bond with 0.025 mm (1 mil) diameter pure gold wire. Thermosonic wirebonding with a nominal stage temperature of 150 deg. C and a ball bonding force of 40 to 50 grams or wedge bonding force of 18 to 22 grams is recommended. Use the minimum level of ultrasonic energy to achieve reliable wirebonds. Wirebonds should be started on the chip and terminated on the package or substrate. All bonds should be as short as possible <0.31 mm (12 mils). 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 |
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