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Hittite Microwave Corporation
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HMC973LP3E
v00.0910
Features
The HMC973LP3E is ideal for:
Excellent Linearity: +35 dBm Input IP3
• Point-to-Point Radio
Wide Attenuation Range: 26 dB
• Cellular/3G & WiMAX/4G Infrastructure
Single Positive Voltage Control: 0 to +5V
• Test Instrumentation
Absorptive Topology
• Microwave Sensors
16 Lead 3x3mm SMT Package: 9mm²
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Typical Applications
• Military, ECM & Radar
Functional Diagram
General Description
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The HMC973LP3E is an absorptive Voltage Variable
Attenuator (VVA) which operates from 0.5 to 6 GHz
and is ideal in designs where an analog DC control
signal must be used to control RF signal levels over
a 26 dB amplitude range. It features a shunt-type
attenuator controlled by an analog voltage, Vctrl. Unlike other GaAs FET based VVA’s the HMC973LP3E
exhibits excellent linearity of +35 dBm input IP3,
throughout it’s control range. The HMC973LP3E
is an unidirectional device with optimum linearity
performance achieved when the RF input signal is
applied to the RFIN package lead. The HMC973LP3E
is housed in a RoHS compliant 3x3 mm QFN leadless
package.
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Attenuators - ANALOG - SMT
8
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 0.5 - 6.0 GHz
Electrical Specifications, TA = +25° C, 50 Ohm system, Vdd = +5V
Parameter
8-1
Typ.
Max.
Units
Insertion Loss
0.5 - 4.0 GHz
4.0 - 6.0 GHz
Frequency
Min.
3.5
5.5
5
8
dB
dB
Attenuation Range
0.5 - 3.0 GHz
3.0 - 6.0 GHz
26
28
dB
Input Return Loss
0.5 - 6.0 GHz
12
dB
Output Return Loss
0.5 - 6.0 GHz
10
dB
Input Power for 1 dB Compression (any attenuation)
0.5 - 6.0 GHz
30
dBm
Input Third Order Intercept
(Two-tone Input Power = +5 dBm Each Tone)
0.5 - 6.0 GHz
Supply Current (Idd)
0.5 - 6.0 GHz
35
200
dBm
300
µA
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
HMC973LP3E
v00.0910
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 0.5 - 6.0 GHz
Insertion Loss vs.
Frequency Over Temperature
ATTENUATION (dB)
-5
-30
0.0 V
1.0 V
1.6 V
2.0 V
2.6 V
3.4 V
-40
-15
-50
0
1
2
3
4
5
6
0
7
FREQUENCY (GHz)
2
4
6
8
FREQUENCY (GHz)
0
Attenuation vs.
Vctrl Over Temperature @ 2 GHz
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Attenuation vs.
Vctrl Over Temperature @ 0.5 GHz
0
-5
-5
-10
-15
-20
-25
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ATTENUATION (dB)
-20
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+25 C
+85 C
-40 C
-10
+25 C
+85 C
-40 C
-30
-35
0
1
2
3
4
ATTENUATION (dB)
INSERTION LOSS (dB)
-10
-10
-15
-20
-25
+25 C
+85 C
-40 C
-30
-35
5
0
1
2
Vctrl (V)
0
0
-5
-5
ATTENUATION (dB)
-10
-15
-20
-25
+25 C
+85 C
-40 C
-30
3
4
5
Vctrl (V)
Attenuation vs.
Vctrl Over Temperature @ 6 GHz
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Attenuation vs.
Vctrl Over Temperature @ 4 GHz
Attenuators - ANALOG - SMT
0
0
ATTENUATION (dB)
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Attenuation vs. Frequency Over Vctrl
-10
-15
-20
-25
-30
+25 C
+85 C
-40 C
-35
-40
-35
0
1
2
3
Vctrl (V)
4
5
0
1
2
3
4
5
Vctrl (V)
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
8-2
HMC973LP3E
v00.0910
8
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 0.5 - 6.0 GHz
Input Return Loss Over Temperature
(Vctrl = 0)
Input Return Loss Over Vctrl
0
RETURN LOSS (dB)
-10
-10
-20
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-20
-30
-30
0.0 V
1.0 V
2.0 V
3.0 V
-40
0
2
4
6
8
0
FREQUENCY (GHz)
2
4
0
Output Return Loss Over Vctrl
0
+25 C
+85 C
-40 C
-20
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-10
0
2
4
6
-10
-20
0.0 V
1.0 V
2.0 V
3.0 V
-30
-40
8
0
2
4
FREQUENCY (GHz)
50
50
40
40
IP3 (dBm)
60
30
10
0.5
0.0 V
1.0 V
1.6 V
2.0 V
2.6 V
3.4 V
1.5
2.5
3.5
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Input IP3 Over Temperature (Vctrl = 0V)
60
20
6
FREQUENCY (GHz)
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Input IP3 Over Vctrl
IP3 (dBm)
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Output Return Loss Over Temperature
(Vctrl = 0)
-30
4.5
FREQUENCY (GHz)
8-3
6
FREQUENCY (GHz)
RETURN LOSS (dB)
RETURN LOSS (dB)
+25 C
+85 C
-40 C
RETURN LOSS (dB)
Attenuators - ANALOG - SMT
0
30
+25 C
+85 C
-40 C
20
5.5
6.5
7.5
10
0.5
1.5
2.5
3.5
4.5
5.5
6.5
7.5
FREQUENCY (GHz)
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
HMC973LP3E
v00.0910
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 0.5 - 6.0 GHz
8
Voltages & Currents
RF Input Power
+29 dBm
Vdd
5V @ 200 µA
Vdd
5.5V
Vctrl
0 to +5V @ 100 µA
Control Voltage Range
-0.5 to 5.5V
Channel Temperature
150 °C
Continuous Pdiss (T = 85 °C)
0.8W
Thermal Resistance
(Channel to ground paddle)
80 °C/W
Storage Temperature
-65 to +150 °C
Operating Temperature
-40 to +85 °C
ESD Sensitivity (HBM)
Class 1A
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ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
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Outline Drawing
Attenuators - ANALOG - SMT
Absolute Maximum Ratings
NOTES:
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1. PACKAGE BODY MATERIAL: LOW STRESS INJECTION MOLDED
PLASTIC SILICA AND SILICON IMPREGNATED.
2. LEAD AND GROUND PADDLE MATERIAL: COPPER ALLOY.
3. LEAD AND GROUND PADDLE PLATING: 100% MATTE TIN.
4. DIMENSIONS ARE IN INCHES [MILLIMETERS].
5. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
6. PAD BURR LENGTH SHALL BE 0.15mm MAX.
PAD BURR HEIGHT SHALL BE 0.05mm MAX.
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.
Package Information
Part Number
Package Body Material
Lead Finish
HMC973LP3E
RoHS-compliant Low Stress Injection Molded Plastic
100% matte Sn
MSL Rating
MSL1
[2]
Package Marking [1]
H973
XXXX
[1] 4-Digit lot number XXXX
[2] Max peak reflow temperature of 260 °C
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
8-4
HMC973LP3E
v00.0910
Pin Descriptions
Function
Description
1, 2, 4, 9, 11, 12
Ground Paddle
GND
These pins and the exposed ground paddle must
be connected to RF/DC ground.
3
RFOUT
This pin is DC coupled and matched to 50 Ohms.
A blocking capacitor is required if RF line potential
is not equal to 0V.
5
Vdd
Supply Voltage
6, 8, 13 - 16
N/C
The pins are not connected internally; however, all data
shown herein was measured with these pins connected to
RF/DC ground externally.
7
Vctrl
Interface Schematic
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Pin Number
Control Voltage
This pin is DC coupled and matched to 50 Ohms.
A blocking capacitor is required if RF line potential
is not equal to 0V. The HMC973LP3E is a unidirectional
device with optimum linearity performance achieved with
RF input signal applied to RFIN package lead.
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Attenuators - ANALOG - SMT
8
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 0.5 - 6.0 GHz
10
RFIN
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Application Circuit
8-5
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
HMC973LP3E
v00.0910
GaAs MMIC VOLTAGE-VARIABLE
ATTENUATOR, 0.5 - 6.0 GHz
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Attenuators - ANALOG - SMT
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Evaluation PCB
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List of Materials for Evaluation PCB 131552 [1]
Item
Description
J1, J2
PCB Mount SMA RF Connector
J3 - J5
DC Pin
C1, C2
100 pF Capacitor, 0402 Pkg.
C3, C4
10000 pF Capacitor, 0402 Pkg.
U1
HMC973LP3E Voltage Variable Attenuator
PCB [2]
131550 Evaluation PCB
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Arlon 25FR or Rogers 4350
The circuit board used in the 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.
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
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