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HMC574MS8 / 574MS8E
v02.0308
GaAs MMIC 5 WATT T/R SWITCH
DC - 3 GHz
Typical Applications
Features
The HMC574MS8 / HMC574MS8E is ideal for:
Low Insertion Loss: 0.3 dB
• Cellular/3G Infrastructure
High Third Order Intercept: +65 dBm
• Private Mobile Radio Handsets
Isolation: 30 dB
• WLAN, WiMAX & WiBro
Single Positive Supply: +3 to +8V
• Automotive Telematics
SMT Package: MSOP8
• Test Equipment
Included in the HMC-DK005 Designer’s Kit
Functional Diagram
General Description
The HMC574MS8 & HMC574MS8E are low-cost
SPDT switches in 8-lead MSOP packages for use
in transmit/receive applications which require very
low distortion at high incident power levels. The
device can control signals from DC to 3 GHz and
is especially suited for Cellular/3G infrastructure,
WiMAX and WiBro applications with only 0.3 dB
typical insertion loss. The design provides 5 watt
power handling performance and +65 dBm third
order intercept at +8 Volt bias. RF1 and RF2 are
reflective shorts when “Off”.
SWITCHES - SMT
10
Electrical Specifi cations,
TA = +25° C, Vctl = 0/+5 Vdc, Vdd = +5 Vdc (Unless Otherwise Stated), 50 Ohm System
Parameter
Frequency
Insertion Loss
Isolation
Return Loss
Input Power for 1dB Compression
Input Third Order Intercept
(Two-tone Input Power = +27 dBm Each Tone)
Vctl = 0/+3V
Vctl = 0/+5V
Vctl = 0/+8V
Vctl = 0/+3V
Vctl = 0/+5V
Vctl = 0/+8V
Switching Characteristics
26
24
21
16
0.5 - 3.0 GHz
33
35
37
0.5 - 3.0 GHz
Typ.
Max.
Units
0.25
0.3
0.4
0.5
30
28
25
20
35
25
18
16
36
38
39
55
63
65
0.5
0.6
0.7
0.8
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
dBm
dBm
DC - 3.0 GHz
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
10 - 350
Min.
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.5 GHz
DC - 3.0 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.5 GHz
DC - 3.0 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.5 GHz
DC - 3.0 GHz
80
120
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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ns
HMC574MS8 / 574MS8E
v02.0308
GaAs MMIC 5 WATT T/R SWITCH
DC - 3 GHz
Isolation Between RFC & RF1/RF2
0
0
-0.5
-10
ISOLATION (dB)
-1
+25C
+85C
-40C
-1.5
+25C
+85C
-40C
-20
-30
-2
-40
0
1
2
3
4
0
1
FREQUENCY (GHz)
0
4
10
0
RETURN LOSS (dB)
RF1 ON
RF2 ON
-10
ISOLATION (dB)
3
Return Loss
RF1 to RF2 Isolation
-20
-30
-40
-50
+25C
+85C
-40C
-10
-20
-30
-40
0
1
2
3
4
0
1
FREQUENCY (GHz)
2
3
4
3
4
FREQUENCY (GHz)
Input P1dB vs. Vdd
Input P0.1dB vs. Vdd
42
42
40
40
38
38
P1dB (dBm)
P0.1dB (dBm)
2
FREQUENCY (GHz)
SWITCHES - SMT
INSERTION LOSS (dB)
Insertion Loss
36
34
32
30
34
32
+8V
+5V
+3V
30
+8V
+5V
+3V
28
36
28
26
26
0
1
2
FREQUENCY (GHz)
3
4
0
1
2
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
10 - 351
HMC574MS8 / 574MS8E
v02.0308
GaAs MMIC 5 WATT T/R SWITCH
DC - 3 GHz
Input IP3 vs. Input Power @ 1900 MHz
70
70
65
65
IP3 (dBm)
IP3 (dBm)
Input IP3 vs. Input Power @ 900 MHz
60
+8V
55
+5V
+8V
55
+5V
50
50
45
45
27
28
29
30
31
32
33
27
TWO TONE INPUT POWER (dBm) (EACH TONE)
10
70
30
31
32
60
55
+8V
+5V
-20
-0.4
-40
-0.6
-60
-0.8
+3V
45
-0.2
INSERTION LOSS (dB)
65
50
40
-80
F2
F3
-100
-1
0
1
2
3
4
24
26
-0.6
-60
F2
F3
-80
-100
-1
34
INPUT POWER (dBm)
36
36
38
0
-0.2
-20
-0.4
-40
-0.6
-60
INSERTION LOSS (dB)
-40
INSERTION LOSS (dB)
-0.4
32
34
-0.8
F2
F3
HARMONICS (dBc)
-20
30
32
0
HARMONICS (dBc)
-0.2
28
30
2nd & 3rd Harmonics @ 900 MHz
Vdd = +8 Volts
0
0
26
28
INPUT POWER (dBm)
2nd & 3rd Harmonics @ 900 MHz
Vdd = +5 Volts
-0.8
33
0
0
FREQUENCY (GHz)
10 - 352
29
2nd & 3rd Harmonics @ 900 MHz
Vdd = +3 Volts
Input Third Order Intercept
IP3 (dBm)
28
TWO TONE INPUT POWER (dBm) (EACH TONE)
HARMONICS (dBc)
SWITCHES - SMT
60
-80
-100
-1
28
30
32
34
36
38
INPUT POWER (dBm)
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
40
HMC574MS8 / 574MS8E
v02.0308
GaAs MMIC 5 WATT T/R SWITCH
DC - 3 GHz
Input P1dB vs. Vdd
40
40
35
35
P1dB (dBm)
30
+8V
+5V
+3V
25
20
0.01
0.1
+8V
+5V
+3V
30
25
1
20
0.01
0.1
FREQUENCY (GHz)
Absolute Maximum Ratings
Max. Input Power
Vdd = 0/+8V
0.5 - 2.5 GHz
1
FREQUENCY (GHz)
10
Bias Voltage & Current
39 dBm
Vdd (Vdc)
Typical Idd (μA)
+3
2
Bias Voltage Range (Vdd)
-0.2 to +10 Vdc
Control Voltage Range (A & B)
-0.2 to +Vdd Vdc
Hot Switching Power Level
Vdd = +8V
39 dBm
Channel Temperature
150 °C
Continuous Pdiss ( T= + 85 °C)
(derate 10 mW/°C above 85 °C)
0.65W
Thermal Resistance
100 °C/W
Low
0 to +0.2 Vdc @ 10 μA Typical
Storage Temperature
-65 to +150 °C
High
Vdd ± 0.2 Vdc @ 10 μA Typical
Operating Temperature
-40 to +85 °C
ESD Sensitivity (HBM)
Class 1A
DC Blocks are required at ports RFC, RF1 and RF2
+5
10
+8
40
Control Voltages
State
Bias Condition
Truth Table
Control Input (Vctl)
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
SWITCHES - SMT
P0.1dB (dBm)
Input P0.1dB vs. Vdd
Signal Path State
A
B
RFC to RF1
RFC to RF2
High
Low
Off
On
Low
High
On
Off
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
10 - 353
HMC574MS8 / 574MS8E
v02.0308
GaAs MMIC 5 WATT T/R SWITCH
DC - 3 GHz
Outline Drawing
SWITCHES - SMT
10
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.
Package Information
Part Number
Package Body Material
Lead Finish
MSL Rating
HMC574MS8
Low Stress Injection Molded Plastic
Sn/Pb Solder
MSL1
HMC574MS8E
RoHS-compliant Low Stress Injection Molded Plastic
100% matte Sn
MSL1
Package Marking [3]
[1]
H574
XXXX
[2]
H574
XXXX
[1] Max peak reflow temperature of 235 °C
[2] Max peak reflow temperature of 260 °C
[3] 4-Digit lot number XXXX
10 - 354
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
HMC574MS8 / 574MS8E
v02.0308
GaAs MMIC 5 WATT T/R SWITCH
DC - 3 GHz
Pin Descriptions
Pin Number
Function
Description
1
A
See truth table and control voltage table.
2
B
See truth table and control voltage table.
3, 5, 8
RFC, RF1, RF2
This pin is DC coupled and matched to 50 Ohm.
Blocking capacitors are required.
4
Vdd
Supply Voltage.
6, 7
GND
This pin must be connected to RF/DC ground.
Interface Schematic
Typical Application Circuit
SWITCHES - SMT
10
Notes:
1. Set logic gate and switch Vdd = +3V to +5V and use HCT series logic to provide a TTL driver interface.
2. Control inputs A/B can be driven directly with CMOS logic (HC) with Vdd of +3 to +8 Volts applied to the CMOS logic gates
and to pin 4 of the RF switch.
3. DC Blocking capacitors are required for each RF port as shown. Capacitor value determines lowest frequency of operation.
4. Highest RF signal power capability is achieved with Vdd set to +8V. The switch will operate properly (but at lower RF power
capability) at bias voltages down to +3V.
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
10 - 355
HMC574MS8 / 574MS8E
v02.0308
GaAs MMIC 5 WATT T/R SWITCH
DC - 3 GHz
Evaluation Circuit Board
SWITCHES - SMT
10
List of Materials for Evaluation PCB 104124 [1]
Item
Description
J1 - J3
PCB Mount SMA RF Connector
J4 - J7
DC Pin
C1 - C3
100 pF capacitor, 0402 Pkg.
C4
10,000 pF capacitor, 0603 Pkg.
R1, R2
100 Ohm resistor, 0402 Pkg.
U1
HMC574MS8 / HMC574MS8E T/R Switch
PCB [2]
104122 Evaluation PCB
The circuit board used in the final application should
be generated with proper RF circuit design techniques. Signal lines at the RF port should have 50
ohm impedance and the package ground leads and
package bottom should be connected directly to the
ground plane similar to that shown above. The evaluation circuit board shown above is available from
Hittite Microwave Corporation upon request.
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
10 - 356
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
HMC574MS8 / 574MS8E
v02.0308
GaAs MMIC 5 WATT T/R SWITCH
DC - 3 GHz
Notes:
SWITCHES - SMT
10
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
10 - 357