switch-limiter with integrated bias networks. This
surface mount, small configuration is designed with
minimal parasitics usually associated with hybrid
MIC designs incorporating beam lead and/or
bondable PIN diodes that require chip and wire
assembly. This standard HQFN enables reliable,
repeatable high volume manufacturing with
MACOMs’ design techniques to maximize heat
dissipation in a plastic package.
This SP2T switch-limiter is designed to optimize Ant
to R
X
loss and handle +51 dBm CW through the
T
X
path to an external high power 50 Ω termination.
This device incorporates a high power SP2T switch,
a limiter function, and a fully integrated RF & DC
bias network.
The MASL-011023 is designed to be used in 2.7 -
3.5 GHz higher power switch applications that
require high volume, surface mount, solder reflow
manufacturing. It is RoHS compliant, durable,
reliable and capable of meeting all military,
commercial, and industrial environments.
Pin Configuration
Pin #
1
2
3
4 - 15
16
17 - 19
20
21
22
23
24
25 - 29
30
31, 32
33
1
Pin Name
N/C
LOAD
LOAD
N/C
R
X
N/C
B2
N/C
G1
N/C
A1
N/C
ANT
N/C
Description
No Connection
T
X
Port
T
X
Port
No Connection
R
X
Port
No Connection
Bias
No Connection
Ground
No Connection
No Connection
No Connection
Antenna
No Connection
Ground Paddle
Ordering Information
Part Number
MASL-011023
MASL-011023-TR0500
MASL-011023-001SMB
Package
Bulk Packaging
500 piece reel
Sample Board
1. The exposed pad centered on the package bottom must be
connected to RF, DC and thermal ground.
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
1
MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.macom.com
for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
DC-0004687
MASL-011023
SPDT Switch & Limiter
2.7 - 3.5 GHz
Electrical Specifications: Freq: 2.7 - 3.5 GHz, T
A
= +25°C, P
IN
= -10 dBm, Z
0
= 50 Ω
Parameter
Insertion Loss
Isolation
Return Loss
CW Input Power,
ANT port
T
X
P0.1dB Compression
Flat Leakage
R
X
Leakage
Switching Time
2
Limiter Recovery Time
to Final Insertion Loss
Spike Leakage
2. Actual results are driver-dependent.
Rev. V4
Condition
R
X
Mode
T
X
Mode 1
ANT to T
X
Port, R
X
Mode
ANT to R
X
Port, T
X
Mode 1
ANT & R
X
ports, R
X
Mode
ANT & T
X
ports, T
X
Mode 1
T
X
Mode 1
R
X
Mode
all Driver Conditions, also un-biased
T
X
Mode 1
33 dBm P
IN
, R
X
Mode
51 dBm P
IN
, T
X
Mode 1
50% TTL Control to 90% RF Voltage
P
IN
<+33 dBm to -10 dBm,
300 µs pulse, 50% duty cycle, R
X
Mode
300 µs pulse, 50% duty cycle, R
X
Mode
Units
dB
dB
dB
Min.
—
—
25
—
Typ.
0.85
0.25
17
30
14
14
51
33
33
51
10
7
700
<100
<0.1
Max.
1.5
—
—
—
dBm
dBm
dBm
dBm
ns
ns
ergs
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Absolute Maximum Ratings
3,4,5
Parameter
Operating Temperature
Storage Temperature
Junction Temperature
6
Applied Reverse Voltage
T
X
RF CW Incident Power
T
X
Bias Current +25°C
Absolute Maximum
-55°C to +85°C
-65°C to +150°C
+175°C
100 V
125 W @ +85°C
150 mA
Driver Conditions
Control Level DC Voltages
(resulting currents)
G1 = Ground, A1 = N/C
B3
-5 V (-35 mA
7
)
-5 V (-25 mA
7
)
+5 V (+17 mA
7
)
B1
+30 V (132 mA)
+30 V (132 mA)
-5 V (0 mA)
T
X
Mode 1
R
RX
= 120 Ω
T
X
Mode 2
R
RX
= 160 Ω
R
RX
Mode
Condition of
RF Output
3. Exceeding any one or combination of these limits may cause
permanent damage to this device.
4. MACOM does not recommend sustained operation near these
switching diode. “Rcom” is 220 Ω. G1 is connected to ground
externally. See Application Circuit Diagram.
MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.macom.com
for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
DC-0004687
MASL-011023
SPDT Switch & Limiter
2.7 - 3.5 GHz
Handling Procedures
Please observe the following precautions to avoid
damage:
Rev. V4
Bias Control
Optimal operation is achieved by simultaneous
application of positive DC voltage to the low loss
switching arm and negative DC voltage to the
isolating switching arm.
In the low loss state, the diode is forward biased with
current. In the isolated state, the series diode is
reverse biased with voltage.
Minimum Reverse Bias Required (T
X
mode):
30 V DC Voltage for 125 W CW Power
R. Caverly and G. Hiller, “Establishing the Minimum Reverse
Bias for a P-I-N Diode in a High Power Switch,” IEEE Transac-
tions on Microwave Theory and Techniques, Vol.38, No.12,
December 1990
Static Sensitivity
RF Integrated Circuits are sensitive to electrostatic
discharge (ESD) and can be damaged by static
electricity. Proper ESD control techniques should be
used when handling these devices.
Application Schematic
8
B3
Rrx
ANT
G1
A1
Cblock3
Rcom
Lcom
Ccom
LOAD
Ltx
B1
Ctx
R
R2
R=50 Ohm
TxPin1 RxPin1
RxPin2
Limiter
Schottky
Lrx
Crx
B2
Diode
Suggested PCB Layout
Cblock1
Cblock2
RX
8. MASL-011023 includes components within the rectangle
above.
Parts List
Part
C1 = CT
X
C2
L1 = LT
X
Diode = CR1
R1 = RR
X
3
MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.macom.com
for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
DC-0004687
Value
12 pF
12 pF
47 nH
125 mA/80 V
120 Ω
Case Style
0603, Low ESR
9
0402
0402
0402
1210, >=1/2 W
9. Johanson Technology R14S is recommended.
MASL-011023
SPDT Switch & Limiter
2.7 - 3.5 GHz
Typical Performance Curves R
X
Mode
Insertion Loss
0.0
+25°C
-54°C
+85°C
Rev. V4
Isolation ANT to T
X
Port
0
-5
-10
+25°C
-54°C
+85°C
-0.5
-1.0
-15
-20
-1.5
-25
-2.0
2.6
-30
2.8
3.0
3.2
3.4
3.6
2.6
2.8
3.0
3.2
3.4
3.6
Frequency (GHz)
Frequency (GHz)
Input Return loss
0
-5
-10
-15
-20
-25
-30
+25°C
-54°C
+85°C
Output Return Loss
0
-5
-10
-15
-20
-25
-30
+25°C
-54°C
+85°C
2.6
2.8
3.0
3.2
3.4
3.6
2.6
2.8
3.0
3.2
3.4
3.6
Frequency (GHz)
Frequency (GHz)
R
X
Leakage in R
X
Mode
20
15
10
5
0
-5
-10
+25°C
+85°C
R
X
Leakage in T
X
Mode
30
20
10
0
-10
-20
-30
+25°C
+85°C
-10
0
10
20
30
40
0.0
10
20
30
40
50
60
4
Input Power (dBm)
Input Power (dBm)
MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.macom.com
for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
DC-0004687
MASL-011023
SPDT Switch & Limiter
2.7 - 3.5 GHz
Typical Performance Curves T
X
Mode 1
Insertion Loss
0.0
Rev. V4
Isolation ANT to R
X
Port
0
+25°C
-54°C
+85°C
-0.2
-10
-0.4
-20
-0.6
+25°C
-54°C
+85°C
-30
-0.8
-40
-1.0
2.6
2.8
3.0
3.2
3.4
3.6
-50
2.6
2.8
3.0
3.2
3.4
3.6
Frequency (GHz)
Frequency (GHz)
Input Return loss
0
-5
-10
-15
-20
-25
-30
+25°C
-54°C
+85°C
Output Return Loss
0
-5
-10
-15
-20
-25
-30
+25°C
-54°C
+85°C
2.6
2.8
3.0
3.2
3.4
3.6
2.6
2.8
3.0
3.2
3.4
3.6
Frequency (GHz)
Frequency (GHz)
T
X
Compression
0.2
0.1
+25°C
+85°C
0.0
-0.1
-0.2
0
10
20
30
40
50
60
5
Input Power (dBm)
MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit
www.macom.com
for additional data sheets and product information.
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