SWITCHES - SMT
10
10 - 274
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
v03.0805 GaAs MMIC 10W T/R
SWITCH, 824 - 894 MHz*
General Description
Features
Functional Diagram
Low Insertion Loss: 0.6 dB
High IIP3: +65 dBm
High Input P0.1 dB: +40 dBm Tx
Positive Control: 0/+5V to 0/+8V
Ultra Small Package: SOT26
Electrical Speci cations, TA = +25° C, Vctl = 0/+8 Vdc, 50 Ohm System
Typical Applications
The HMC446 / HMC446E is ideal for:
• ISM/Cellular Portables/Handsets
• Automotive Telematic Applications
• Mobile Radio
The HMC446 & HMC446E are low-cost SPDT swit-
ches in 6-lead SOT26 packages for use in transmit-
receive applications which require very low distortion
at high signal power levels, up to 10 watts. The
device can control signals from 824 - 894 MHz* and
is especially suited for cellular booster and auto-
motive telematic applications. The design provides
exceptional P0.1 dB of +40 dBm and +65 dBm IIP3
on the Transmit (Tx) port. The Tx port is a re ective
open when “Off” while the Rx port is a re ective short
when “Off”. On-chip circuitry allows single positive
supply operation at very low DC current with a single
control input (Vctl).
Parameter Frequency* Min. Typ. Max. Units
Insertion Loss Tx - RFC
RFC - Rx
824 - 849 MHz
824 - 894 MHz
0.6
0.6
0.9
1.0
dB
dB
Isolation Tx - RFC
RFC - Rx
824 - 849 MHz
824 - 894 MHz
18
29
22
35
dB
dB
Return Loss Tx - RFC
RFC - Rx
824 - 849 MHz
824 - 894 MHz
13
17
dB
dB
Input Power for 0.1 dB Compression Tx - RFC
RFC - Rx
824 - 849 MHz
824 - 894 MHz
38
28
40
30
dBm
dBm
Input Third Order Intercept
(Two-tone input power = +19 dBm each tone)
Tx - RFC
RFC - Rx
824 - 849 MHz
824 - 894 MHz
65
52
dBm
dBm
Switching Characteristics 824 - 894 MHz
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
4
90
ns
ns
* External component values can be adjusted to enable HMC446 to operate in other frequency bands.
Contact HMC with your speci c requirement.
HMC446 / 446E
OBSOLETE
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
SWITCHES - SMT
10
10 - 275
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
Input Power Compression
@ 849 MHz, Vdd = 8.0V
Return Loss
Insertion Loss vs. Temperature, Tx
Isolation
Input Power Compression
@ 849 MHz, Vdd = 5.0V
Insertion Loss vs. Temperature, Rx
v03.0805 GaAs MMIC 10W T/R
SWITCH, 824 - 894 MHz*
HMC446 / 446E
-3
-2.5
-2
-1.5
-1
-0.5
0
0.75 0.8 0.85 0.9
Tx, +25C
Tx, +85C
Tx, -40C
INSERTION LOSS (dB)
FREQUENCY (GHz)
-2
-1.5
-1
-0.5
0
10 15 20 25 30 35 40
Tx
Rx
INSERTION LOSS (dB)
INPUT POWER (dBm)
-2
-1.5
-1
-0.5
0
10 15 20 25 30 35 40
Tx
Rx
INSERTION LOSS (dB)
INPUT POWER (dBm)
-25
-20
-15
-10
-5
0
0.75 0.8 0.85 0.9
Tx, Input
Tx, Output
Rx, Input
Rx, Output
RETURN LOSS (dB)
FREQUENCY (GHz)
-40
-35
-30
-25
-20
-15
-10
-5
0
0.75 0.8 0.85 0.9
RFC to Tx
RFC to Rx
ISOLATION (dB)
FREQUENCY (GHz)
-3
-2.5
-2
-1.5
-1
-0.5
0
0.75 0.8 0.85 0.9
Rx, +25C
Rx, +85C
Rx, -40C
INSERTION LOSS (dB)
FREQUENCY (GHz)
OBSOLETE
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
SWITCHES - SMT
10
10 - 276
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
Absolute Maximum Ratings
Outline Drawing
Max. Input Power
(Vdd = +8V, VCTL = 0/+8V)
Tx Port
Rx Port
41 dBm
33 dBm
Supply Voltage (Vdd) +10 Vdc
Control Voltage Range (Vctl) -0.2 to Vdd
Storage Temperature -65 to +150 °C
Operating Temperature -40 to +85 °C
DC blocking capacitors are required at ports RFC, Tx and
Rx. Inductors are required from Tx to RFC and Rx to RFC.
See Application Circuit Herein.
Control Input Signal Path State
Vctl (Vdc) Tx to RFC RFC to Rx
0.0 OFF ON
Vdd ON OFF
Vdd = +5.0V to +8.0V ± 0.2V
Control Input Voltage Tolerances are ± 0.2 Vdc.
Truth Table
Do not operate continuously at power levels > 1 dB com-
pression and do not “hot switch” power levels greater than
+36 dBm (Vctl= +8V) into the Tx port and no greater than
+27 dBm into the Rx port.
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
v03.0805 GaAs MMIC 10W T/R
SWITCH, 824 - 894 MHz*
HMC446 / 446E
NOTES:
1. LEADFRAME MATERIAL: COPPER ALLOY
2. DIMENSIONS ARE IN INCHES [MILLIMETERS]
3. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE.
4. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE.
5. ALL GROUND LEADS MUST BE SOLDERED TO PCB RF GROUND
Part Number Package Body Material Lead Finish MSL Rating Package Marking [3]
HMC446 Low Stress Injection Molded Plastic Sn/Pb Solder MSL1 [1] H446
XXXX
HMC446E RoHS-compliant Low Stress Injection Molded Plastic 100% matte Sn MSL1 [2] 446E
XXXX
[1] Max peak re ow temperature of 235 °C
[2] Max peak re ow temperature of 260 °C
[3] 4-Digit lot number XXXX
Package Information
OBSOLETE
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
SWITCHES - SMT
10
10 - 277
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
Pin Descriptions
Pin Number Function Description Interface Schematic
1 Tx This pin is DC coupled and matched to 50 Ohms.
2 GND This pin must be connected to PCB RF ground.
3 Vctl See Truth Table.
4 Rx This pin is DC coupled and matched to 50 Ohms.
5Vdd Supply Voltage
6 RFC This pin is DC coupled and matched to 50 Ohms.
v03.0805 GaAs MMIC 10W T/R
SWITCH, 824 - 894 MHz*
HMC446 / 446E
OBSOLETE
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
SWITCHES - SMT
10
10 - 278
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
Users must implement this application circuit with the HMC446 T/R switch for proper operation.
Note 1: LRx = COILCRAFT 0402CS - 8N2XJB, 8.2 nH, 5% Tolerance Inductor
Note 2: LTx = COILCRAFT 0603CS - 22NXJB, 22 nH, 5% Tolerance Inductor
Note 3: C1, C2, C3 = 330 pF Capacitor
Note 4: External component values can be adjusted to enable HMC446 to operate in other frequency bands.
Contact HMC with your speci c requirement.
Note 5: Set logic gate & switch Vdd= +8V and use HC series logic to provide a buffered logic interface.
Required Application Circuit
v03.0805 GaAs MMIC 10W T/R
SWITCH, 824 - 894 MHz*
HMC446 / 446E
OBSOLETE
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
SWITCHES - SMT
10
10 - 279
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
Evaluation PCB
The circuit board used in the nal application
should use RF circuit design techniques. Signal
lines should have 50 ohm impedance while the
package ground leads should be connected directly
to the ground plane similar to that shown above.
A sufficient number of via holes should be used to
connect the top and bottom ground planes. The
evaluation circuit board as shown is available from
Hittite upon request.
Item Description
J1 - J3 PCB Mount SMA RF Connector
J4 - J6 DC Pin
C1 - C3 330 pF Capacitor, 0603 Pkg.
LTx 22 nH Inductor, 0603 Pkg.
LRx 8.2 nH Inductor, 0402 Pkg.
U1 HMC446 / HMC446E T/R Switch
PCB [2] 103835 Evaluation PCB
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
v03.0805 GaAs MMIC 10W T/R
SWITCH, 824 - 894 MHz*
HMC446 / 446E
List of Materials for Evaluation PCB 103837 [1]
OBSOLETE
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
