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v01.1003
MICROWAVE CORPORATION
HMC442LM1
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 24 GHz
Features
Saturated Power: +23 dBm @ 27% PAE Gain: 14 dB Supply Voltage: +5.0 V 50 Ohm Matched Input/Output
8
AMPLIFIERS - SMT
Typical Applications
The HMC442LM1 is an ideal gain block or driver amp for: * Point-to-Point Radios * Point-to-Multi-Point Radios * VSAT
Functional Diagram
General Description
The HMC442LM1 is a broadband 17.5 to 24 GHz GaAs PHEMT MMIC Medium Power Amplifier in a SMT leadless chip carrier package. The LM1 is a true surface mount broadband millimeterwave package offering low loss & excellent I/O match, preserving MMIC chip performance. The amplifier provides 14 dB of gain and +23 dBm of saturated power at 27% PAE from a +5.0V supply voltage. This 50 Ohm matched amplifier has integrated DC blocks on RF in and out and makes an ideal linear gain block, transmit chain driver or LO driver for HMC SMT mixers. As an alternative to chipand-wire hybrid assemblies the HMC442LM1 eliminates the need for wirebonding, thereby providing a consistent connection interface for the customer.
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.) 17 10.5 Min. Typ. 17.5 - 21.0 13 0.02 10 7 20 23 28 7 85 18.5 0.03 10.5 Max. Min. Typ. 21.0 - 24.0 14 0.02 10 8 21.5 23.5 27 6.5 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
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v01.1003
MICROWAVE CORPORATION
HMC442LM1
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 24 GHz
Broadband Gain & Return Loss
20 15 10
Gain vs. Temperature
20 18 16
8
+25 C +85 C -40 C
RESPONSE(dB)
GAIN (dB)
5 0 -5 -10
S21 S11 S22
12 10 8 6 4
-15 -20 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 FREQUENCY (GHz)
2 0 16 17 18 19 20 21 22 23 24 FREQUENCY (GHz) 25 26 27
Input Return Loss vs. Temperature
0
Output Return Loss vs. Temperature
0
RETURN LOSS (dB)
-10
RETURN LOSS (dB)
-5
+25 C +85 C -40 C
-5
-10
-15
-15
+25 C +85 C -40 C
-20 16 17 18 19 20 21 22 23 24 FREQUENCY (GHz) 25 26 27
-20 16 17 18 19 20 21 22 23 24 FREQUENCY (GHz) 25 26 27
P1dB vs. Temperature
30 28 26 24
Psat vs. Temperature
30 28 26 24
P1dB (dBm)
22 20 18 16 14 12 10 16 17 18 19 20 21 22 23 24 FREQUENCY (GHz) 25 26 27
+25 C +85 C -40 C
Psat (dBm)
22 20 18 16 14 12 10 16 17 18 19 20 21 22 23 24 FREQUENCY (GHz) 25 26 27
+25 C +85 C -40 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
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AMPLIFIERS - SMT
14
v01.1003
MICROWAVE CORPORATION
HMC442LM1
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 24 GHz
8
AMPLIFIERS - SMT
Power Compression @ 18 GHz
30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 -10 -8 -6 -4
Power Compression @ 23 GHz
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 (%)
Pout (dBm), GAIN (dB), PAE (%)
Pout (dBm) Gain (dB) PAE (%)
-2 0 2 4 6 INPUT POWER (dBm)
8
10
12
14
-8
-6
-4
-2
0
2
4
6
8
10
12
14
INPUT POWER (dBm)
Output IP3 vs. Temperature
34 32 30 28
Noise Figure vs. Temperature
10 9 8
NOISE FIGURE (dB)
7 6 5 4 3 2 1 0
+ 25C +85 C -40 C
OIP3 (dBm)
26 24 22 20 18 16 14 16 17 18 19 20 21 22 23 FREQUENCY (GHz) 24 25 26
+25 C +85 C -40 C
16
17
18
19
20 21 22 23 FREQUENCY (GHz)
24
25
26
Gain & Power vs. Supply Voltage @ 23 GHz
26
Reverse Isolation vs. Temperature
0 -10
+25 C +85 C -40 C
GAIN (dB), P1dB (dBm), Psat (dBm)
24 22
ISOLATION (dB)
Gain P1dB Psat
20 18 16 14 12
-20 -30 -40 -50 -60 16 17 18 19 20 21 22 23 24 FREQUENCY (GHz) 25 26 27
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)
8 - 206
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
v01.1003
MICROWAVE CORPORATION
HMC442LM1
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 24 GHz
Absolute Maximum Ratings
Drain Bias Voltage (Vdd) Gate Bias Voltage (Vgg) RF Input Power (RFin)(Vdd = +5.0 Vdc, Idd = 85 mA) Channel Temperature Continuous Pdiss (T = 85 C) (derate 5.46 mW/C above 85 C) Thermal Resistance (channel to ground paddle) Storage Temperature Operating Temperature +5.5 Vdc -8.0 to 0 Vdc +20 dBm 175 C
Typical Supply Current vs. Vdd
Vdd (V) +4.5 +5.0 +5.5 +2.7 Idd (mA) 82
8
AMPLIFIERS - SMT
8 - 207
85 87 79 83 86
0.491 W
+3.0 +3.3
183 C/W -65 to +150 C -40 to +85 C
Note: Amplifier will operate over full voltage range shown above
Pin Locations & Outline Drawing
NOTES: 1. MATERIAL: PLASTIC 2. PLATING: GOLD OVER NICKEL 3. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 4. ALL TOLERANCES ARE 0.005 [0.13]. 5. ALL GROUNDS MUST BE SOLDERED TO PCB RF GROUND. 6. * INDICATES PIN 1.
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
v01.1003
MICROWAVE CORPORATION
HMC442LM1
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 24 GHz
8
AMPLIFIERS - SMT
Pin Descriptions
Pin Number 1, 3, 5, 6 Function N/C Description Interface Schematic
2
Vdd
Power Supply Voltage for the amplifier. External bypass capacitors of 100 pF and 0.01 F are required.
4
RF OUT
This pin is AC coupled and matched to 50 Ohms from 17.5 - 25.5 GHz.
7
Vgg
Gate control for amplifier. Adjust to achieve Id of 85 mA. Please follow "MMIC Amplifier Biasing Procedure" Application Note.
8
RF IN
This pin is AC coupled and matched to 50 Ohms from 17.5 - 25.5 GHz.
8 - 208
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
v01.1003
MICROWAVE CORPORATION
HMC442LM1
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 24 GHz
Evaluation PCB
8
AMPLIFIERS - SMT
The grounded Co-Planar Wave Guide (CPWG) PCB input/output transitions allow use of Ground-Signal-Ground (GSG) probes for testing. Suggested probe pitch is 400um (16 mils). Alternatively, the board can be mounted in a metal housing with 2.4mm coaxial connectors.
Evaluation Circuit Board Layout Design Details
Layout Technique Material Dielectric Thickness Microstrip Line Width CPWG Line Width CPWG Line to GND Gap Ground VIA Hole Diameter C1 - C2 C3 - C4 Micro Strip to CPWG Rogers 4003 with 1/2 oz, Cu 0.008" (0.20 mm) 0.018" (0.46 mm) 0.016" (0.41 mm) 0.005" (0.13 mm) 0.008" (0.20 mm) 100 pF Capacitor, 0402 Pkg. 33.000 pF Capacitor, 0805 Pkg.
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
8 - 209
MICROWAVE CORPORATION
v01.1003
HMC442LM1
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 24 GHz
8
AMPLIFIERS - SMT
Suggested LM1 PCB Land Pattern Tolerance: 0.003" ( 0.08 mm)
Amplifier Application Circuit
8 - 210
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
v01.1003
HMC442LM1
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 17.5 - 24 GHz
Recommended SMT Attachment Technique
Preparation & Handling of the LM1 Microwave Package for Surface Mounting The HMC LM1 package was designed to be compatible with high volume surface mount PCB assembly processes. The LM1 package requires a specific mounting pattern to allow proper mechanical attachment and to optimize electrical performance at millimeterwave frequencies. This PCB layout pattern can be found on each LM1 product data sheet. It can also be provided as an electronic drawing upon request from Hittite Sales & Application Engineering. Follow these precautions to avoid permanent damage: Cleanliness: Observe proper handling procedures to ensure clean devices and PCBs. LM1 devices should remain in their original packaging until component placement to ensure no contamination or damage to RF, DC & ground contact areas. Static Sensitivity: Follow ESD precautions to protect against ESD strikes. General Handling: Handle the LM1 package on the top with a vacuum collet or along the edges with a sharp pair of bent tweezers. Avoiding damaging the RF, DC, & ground contacts on the package bottom. Do not apply excess pressure to the top of the lid. Solder Materials & Temperature Profile: Follow the information contained in the application note. Hand soldering is not recommended. Conductive epoxy attachment is not recommended. Solder Paste: Solder paste should be selected based on the user's experience and be compatible with the metallization systems used. See the LM1 data sheet Outline drawing for pin & ground contact metallization schemes. Solder Paste Application: Solder paste is generally applied to the PCB using either a stencil printer or dot placement. The volume of solder paste will be dependent on PCB and component layout and should be controlled to ensure consistent mechanical & electrical performance. Excess solder may create unwanted electrical parasitics at high frequencies. Solder Reflow: The soldering process is usually accomplished in a reflow oven but may also use a vapor phase process. A solder reflow profile is suggested above. Prior to reflowing product, temperature profiles should be measured using the same mass as the actual assemblies. The thermocouple should be moved to various positions on the board to account for edge and corner effects and varying component masses. The final profile should be determined by mounting the thermocouple to the PCB at the location of the device. Follow solder paste and oven vendor's recommendations when developing a solder reflow profile. A standard profile will have a steady ramp up from room temperature to the pre-heat temperature to avoid damage due to thermal shock. Allow enough time between reaching pre-heat temperature and reflow for the solvent in the paste to evaporate and the flux to completely activate. Reflow must then occur prior to the flux being completely driven off. The duration of peak reflow temperature should not exceed 15 seconds. Packages have been qualified to withstand a peak temperature of 235C for 15 seconds. Verify that the profile will not expose device to temperatures in excess of 235C. Cleaning: A water-based flux wash may be used.
225 200
8
AMPLIFIERS - SMT
8 - 211
TEMPERATURE ( C)
175 150 125 100 75 50 25 0 1 2 3 4 5 TIME (min) 6 7 8
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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