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HMC373LP3 / 373LP3E
v02.0605
GaAs PHEMT MMIC LOW NOISE AMPLIFIER w/ BYPASS MODE, 700 - 1000 MHz
5
AMPLIFIERS - SMT
Typical Applications
The HMC373LP3 / HMC373LP3E is ideal for basestation receivers: * GSM, GPRS & EDGE * CDMA & W-CDMA * Private Land Mobile Radio
Features
Noise Figure: 0.9 dB +35 dBm Output IP3 Gain: 14 dB Low Loss LNA Bypass Path Single Supply: +5.0 V @ 90 mA 50 Ohm Matched Output
Functional Diagram
General Description
The HMC373LP3 / HMC373LP3E are versatile, high dynamic range GaAs MMIC Low Noise Amplifiers that integrates a low loss LNA bypass mode on the IC. The amplifier is ideal for GSM & CDMA cellular basestation front-end receivers operating between 700 and 1000 MHz and provides 0.9 dB noise figure, 14 dB of gain and +35 dBm IP3 from a single supply of +5.0V @ 90 mA. Input and output return losses are 28 and 12 dB respectively with the LNA requiring minimal external components to optimize the RF input match, RF ground and DC bias. By presenting an open or short circuit to a single control line, the LNA can be switched into a low 2.0 dB loss bypass mode reducing the current consumption to 10 A. A low cost, leadless 3x3 mm QFN surface mount package (LP3) houses the low noise amplifier.
Electrical Specifications, TA = +25 C, Vdd = +5V
LNA Mode Parameter Min. Frequency Range Gain Gain Variation Over Temperature Noise Figure Input Return Loss Output Return Loss Reverse Isolation Power for 1dB Compression (P1dB)* Saturated Output Power (Psat) Third Order Intercept (IP3)* (-20 dBm Input Power per tone, 1 MHz tone spacing) Supply Current (Idd) 18 11.5 Typ. 810 - 960 13.5 0.008 0.9 28 12 20 21 22.5 35.5 90 17 0.015 1.3 10.5 Max. Min. Typ. 700 - 1000 14 0.008 1.0 25 11 19 20 22 35 90 50 0.01 30 0.015 1.4 30 25 -2.8 Max. Min. Typ. 700 - 1000 -2.0 0.002 0.004 Max. MHz dB dB / C dB dB dB dB dBm dBm dBm mA LNA Mode Bypass Mode Units
* P1dB and IP3 for LNA Mode are referenced to RFOUT while P1dB and IP3 for Bypass Mode are referenced to RFIN.
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For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC373LP3 / 373LP3E
v02.0605
GaAs PHEMT MMIC LOW NOISE AMPLIFIER w/ BYPASS MODE, 700 - 1000 MHz
LNA - Gain, Noise Figure & Power vs. Supply Voltage @ 850 MHz
22 21 GAIN (dB), P1dB (dBm) 20 19 18 17 16 15 14 13 12 0.5 0.75 1 1.25 1.5 1.75 2 4.5 4.75 5 Vdd (Vdc) 5.25 FREQUENCY (GHz)
Gain P1dB Noise Figure
LNA Broadband Gain & Return Loss
20 15 10 5 RESPONSE (dB) 0 -5 -10 -15 -20 -25 -30 -35 -40 0.25
S21 S11 S22
5
1.2 1.1 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 5.5 NOISE FIGURE (dB)
LNA Gain vs. Temperature
20 19 18 17 GAIN (dB) 16 15 14 13 12 11 10 0.7 0.75 0.8 0.85 0.9 0.95 1
LNA Noise Figure vs. Temperature
1.5 1.4 NOISE FIGURE (dB)
+25 C +85 C -40 C
1.3 1.2 1.1 1 0.9 0.8 0.7 0.6 0.5 0.7 0.75 0.8 0.85
+25 C +85 C -40 C
0.9
0.95
1
FREQUENCY (GHz)
FREQUENCY (GHz)
LNA Gain vs. Vdd
20 19 18
LNA Noise Figure vs. Vdd
1.5 1.4 1.3 NOISE FIGURE (dB)
+4.5 V +5.0 V +5.5 V +4.5 V +5.0 V +5.5 V
17 GAIN (dB) 16 15 14 13 12 11 10 0.7 0.75 0.8 0.85
1.2 1.1 1 0.9 0.8 0.7 0.6
0.9
0.95
1
0.5 0.7
0.75
0.8
0.85
0.9
0.95
1
FREQUENCY (GHz)
FREQUENCY (GHz)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
5 - 105
AMPLIFIERS - SMT
HMC373LP3 / 373LP3E
v02.0605
GaAs PHEMT MMIC LOW NOISE AMPLIFIER w/ BYPASS MODE, 700 - 1000 MHz
5
AMPLIFIERS - SMT
LNA Input Return Loss vs. Temperature
0 -5 RETURN LOSS (dB)
+25 C +85 C -40 C
LNA Output Return Loss vs. Temperature
0 -2 -4 RETURN LOSS (dB)
+25 C
-10 -15 -20 -25 -30 -35 -40 0.7
-6 -8 -10 -12 -14 -16 -18
+85 C -40 C
0.75
0.8
0.85
0.9
0.95
1
-20 0.7
0.75
0.8
0.85
0.9
0.95
1
FREQUENCY (GHz)
FREQUENCY (GHz)
LNA Output IP3 vs. Temperature
40 39 38 OUTPUT IP3 (dBm) 37 36 35 34 33 32 31 30 0.7 0.75 0.8 0.85 0.9 0.95 1
+25 C +85 C -40 C
LNA P1dB & Psat vs. Temperature
25 COMPRESSION POINT (dBm) 24
Psat
23 22 21 20 19 18 17 16 15 0.7 0.75 0.8 0.85 0.9 0.95 1
+25 C +85 C -40 C P1dB
FREQUENCY (GHz)
FREQUENCY (GHz)
LNA Output IP3 vs. Vdd
40 39 38 OUTPUT IP3 (dBm) 37 36 35 34 33 32 31 30 0.7 0.75 0.8 0.85 0.9 0.95 1
+4.5 V +5.0 V +5.5 V
LNA P1dB vs. Vdd
25 24 23 22 P1dB (dBm) 21 20 19 18 17 16 15 0.7 0.75 0.8 0.85 0.9 0.95 1
+4.5 V +5.0 V +5.5 V
FREQUENCY (GHz)
FREQUENCY (GHz)
5 - 106
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC373LP3 / 373LP3E
v02.0605
GaAs PHEMT MMIC LOW NOISE AMPLIFIER w/ BYPASS MODE, 700 - 1000 MHz
Bypass Mode Broadband Insertion Loss & Return Loss
0 -5 RESPONSE (dB)
+25 C
LNA Reverse Isolation vs. Temperature
0 -5 ISOLATION (dB) -10 -15 -20 -25 -30 0.7
5
AMPLIFIERS - SMT
5 - 107
-10 -15 -20 -25 -30 -35 -40 0.25
S21 S11 S22
+85 C -40 C
0.75
0.8
0.85
0.9
0.95
1
0.5
0.75
1
1.25
1.5
1.75
2
FREQUENCY (GHz)
FREQUENCY (GHz)
Bypass Mode Insertion Loss vs. Temperature
0 -0.5 INSERTION LOSS (dB) -1 -1.5 -2 -2.5 -3 -3.5 -4 -4.5 -5 0.7 0.75 0.8 0.85 0.9 0.95 1
Bypass Mode Input Return Loss vs. Temperature
0 -5 -10 RETURN LOSS (dB) -15 -20 -25 -30 -35 -40 -45 -50 0.7 0.75 0.8 0.85 0.9 0.95 1
+25 C +85 C -40 C
FREQUENCY (GHz)
FREQUENCY (GHz)
Bypass Mode Output Return Loss vs. Temperature
0 -5 RETURN LOSS (dB) -10 -15 -20 -25 -30 -35 -40 0.7
Bypass Mode Input IP3 vs. Temperature
55
INPUT IP3 (dBm)
+25 C +85 C -40 C
50
45
40
+25 C +85 C -40 C
0.75
0.8
0.85
0.9
0.95
1
35 0.7
0.75
0.8
0.85
0.9
0.95
1
FREQUENCY (GHz)
FREQUENCY (GHz)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC373LP3 / 373LP3E
v02.0605
GaAs PHEMT MMIC LOW NOISE AMPLIFIER w/ BYPASS MODE, 700 - 1000 MHz
5
AMPLIFIERS - SMT
Absolute Maximum Ratings
Drain Bias Voltage (Vdd) RF Input Power (RFin)(Vdd = +5.0 Vdc) Channel Temperature Continuous Pdiss (T = 85 C) (derate 13.5 mW/C above 85 C) Thermal Resistance (channel to ground paddle) Storage Temperature Operating Temperature +8.0 Vdc LNA Mode +15 dBm Bypass Mode +30 dBm 150 C 0.878 W 74.1 C/W -65 to +150 C -40 to +85 C
Typical Supply Current vs. Vdd
Vdd (Vdc) +4.5 +5.0 +5.5 Idd (mA) 87 90 93
Truth Table
LNA Mode Bypass Mode Vctl= Short Circuit to DC Ground Vctl= Open Circuit
ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS
Outline Drawing
NOTES: 1. LEADFRAME MATERIAL: COPPER ALLOY 2. DIMENSIONS ARE IN INCHES [MILLIMETERS] 3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE 4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM. PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM. 5. PACKAGE WARP SHALL NOT EXCEED 0.05mm. 6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 7. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED LAND PATTERN.
Package Information
Part Number HMC373LP3 HMC373LP3E Package Body Material Low Stress Injection Molded Plastic RoHS-compliant Low Stress Injection Molded Plastic Lead Finish Sn/Pb Solder 100% matte Sn MSL Rating MSL1 MSL1
[1]
Package Marking [3] 373 XXXX 373 XXXX
[2]
[1] Max peak reflow temperature of 235 C [2] Max peak reflow temperature of 260 C [3] 4-Digit lot number XXXX
5 - 108
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC373LP3 / 373LP3E
v02.0605
GaAs PHEMT MMIC LOW NOISE AMPLIFIER w/ BYPASS MODE, 700 - 1000 MHz
Pin Descriptions
Pin Number 1, 3, 5, 8, 10, 12, 13, 15, 16 2 Function N/C Description No connection necessary. These pins may be connected to RF/DC ground. This pin is matched to 50 Ohms with a 19 nH inductor to ground. See Application Circuit. Interface Schematic
5
AMPLIFIERS - SMT
5 - 109
RFIN
4
Vctl
DC ground return. LNA is in high gain mode when a short circuit is introduced to this pin through an external switch. LNA is in bypass mode when open circuit is introduced
6
ACG
An external capacitor of 0.01F to ground is required for low frequency bypassing. See Application Circuit for further details.
7, 14
GND
These pins must be connected to RF/DC ground.
9
Vdd
Power supply voltage. Choke inductor and bypass capacitor are required. See application circuit.
11
RFOUT
This pin is AC coupled and matched to 50 Ohms.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC373LP3 / 373LP3E
v02.0605
GaAs PHEMT MMIC LOW NOISE AMPLIFIER w/ BYPASS MODE, 700 - 1000 MHz
5
AMPLIFIERS - SMT
Evaluation PCB
List of Materials for Evaluation PCB 107220 [1]
Item J1 - J2 J3 - J4 J5 C1 C2 C3 L1 L2 R1 U1 PCB [2] Description PCB Mount SMA RF Connector DC Pin 2 Pos DIP Switch 10000 pF Capacitor, 0402 Pkg. 10000 pF Capacitor, 0603 Pkg. 1000 pF Capacitor, 0402 Pkg. 19 nH Inductor, 0402 Pkg. 18 nH Inductor, 0603 Pkg. 2 Ohm Resistor, 0402 Pkg. HMC373LP3 / HMC373LP3E Amplifier 107177 Evaluation 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.
[1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350
5 - 110
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC373LP3 / 373LP3E
v02.0605
GaAs PHEMT MMIC LOW NOISE AMPLIFIER w/ BYPASS MODE, 700 - 1000 MHz
Evaluation Board Circuit
5
AMPLIFIERS - SMT
Application Circuit
Note 1: Choose value of capacitor C1 for low frequency bypassing. A 0.01 F 10% capacitor is recommended. Note 2: Pin 4 (Vctl) is the DC ground return for the circuit. The LNA is in the high gain mode when a short circuit is introduced to this pin through an external switch. The LNA is in bypass mode when an open circuit is introduced. For the data presented, switching is done through a two position DIP switch (J5) in series with a 2 Ohm resistor (to account for the Ron of an electrical switch). Note 3: L1, L2 and C1 should be located as close to pins as possible.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
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