AMT2571011
Data Sheet
Rev. 1.2 March 2010
DC–35 GHz SPST Switch
Features
Functional Diagram
Frequency range: DC – 35 GHz
Low Insertion loss ~ 1.3dB @ 18 GHz
High Isolation of 40 dB
I/O Return loss < 15 dB
High Input P1dB: 23 dBm
On-Chip TTL driver for fast switching
0.5µm InGaAs pHEMT technology
Chip Size : 1.73 mm x 1.13 mm x 0.10 mm
+5v
-5v
CNTRL
RF_IN
RF_OUT
Typical Applications
Military & space
Test Equipments
Microwave Radio, RADAR
Broadband Telecommunications
Commercial electronic systems
Description
The AMT2571011 is a wideband reflective Single Pole Single Throw (SPST) switch designed over
a frequency range of DC–18GHz. This switch offers high isolation and low insertion loss. It has an
on-chip TTL driver for high speed switching. The RF ports are DC coupled to ensure low
frequency operation. The MMIC operates on +5 V, -5 V supply voltages with very low DC power
consumption. This MMIC is fabricated using highly reliable and high performance InGaAs 0.5µm
pHEMT Technology.
Absolute Maximum Ratings (1)
Parameter
Absolute Maximum
Units
RF Input Power
30
dBm
Positive Supply voltage
+6
V
Negative Supply Voltage
-6
V
Control Voltage
ON
5 to +5.5
V
OFF
-0.5 to 0
V
Operating Temperature
-55 to +85
oC
Storage Temperature
-65 to +150
oC
1. Operation beyond these limits may cause permanent damage to the component
Astra Microwave Products Limited, Hyderabad, INDIA
Phone: +91-40-30618000
Fax: +91-40-23378944
Page 1 of 6
Email: info@astramwp.com
URL: www.astramtl.com
AMT2571011
Data Sheet
Rev. 1.2 March 2010
Electrical Specifications (1) @ TA = 25 oC, Zo =50 Ω
Parameter
Insertion Loss
Isolation
Input Return Losses
Output return Losses
Frequency
Typ. Value
Units
5 GHz
10 GHz
15 GHz
18 GHz
35GHz
5 GHz
10 GHz
15 GHz
18 GHz
35GHz
DC – 18GHz
DC – 35GH
0.6
0.8
1.0
1.2
3.5
46
48
52
57
40
15
13
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
DC – 18GHz
DC – 35GHz
15
13
dB
dB
23
(2)
dBm
Switching speed
40
(2)
ns
DC Bias Voltages
+5, -5
V
0/+5
V
Input P1dB
DC-18GHz
Control Voltage
Note:
1. Electrical Specifications as measured On-Wafer
2. Measured in a test fixture
Astra Microwave Products Limited, Hyderabad, INDIA
Phone: +91-40-30618000
Fax: +91-40-23378944
Page 2 of 6
Email: info@astramwp.com
URL: www.astramtl.com
AMT2571011
Data Sheet
Rev. 1.2 March 2010
On-Wafer data
TA = 25 oC, Zo =50Ω
Isolation
Insertion Loss
0
0
-0.5
-10
-1.5
Isolation (dB)
Insertion loss (dB)
-1
-2
-2.5
-3
-3.5
-20
-30
-40
-50
-4
-60
-4.5
-5
-70
0
5
10
15
20
25
30
35
0
Frequency (GHz)
Input Return Loss
Output Return Loss (dB)
-10
-20
-30
-40
10
15
20
Frequency (GHz)
25
30
35
Output Return Loss
0
0
Input Return loss (dB)
5
-5
-10
-15
-20
-25
-30
-35
-50
0
5
10
15
20
25
30
35
0
Frequency (GHz)
5
10
15
20
25
30
35
Frequency (GHz)
Astra Microwave Products Limited, Hyderabad, INDIA
Phone: +91-40-30618000
Fax: +91-40-23378944
Page 3 of 6
Email: info@astramwp.com
URL: www.astramtl.com
AMT2571011
Data Sheet
Rev. 1.2 March 2010
Test fixture data
TA = 25 oC, Zo =50Ω
Insertion Loss
Isolation
-40
-45
-0.4
Isolation (dB)
Insertion loss (dB)
0
-0.8
-1.2
-1.6
-50
-55
-60
-65
-2
-70
0
2
4
6
8
10
12
14
16
18
0
2
4
6
Frequency (GHz)
I/O Return Losses
10
12
14
16
18
P1dB @ 3.5 GHz
0
0
-5
-0.5
S22
Insertion Loss (dB)
Return losses (dB)
8
Frequency (GHz)
-10
-15
4 dBm
-1.3 dB
-1
-1.5
-20
S11
-25
-30
-2
24.2 dBm
-2.3 dB
-2.5
-35
-40
-3
0
2
4
6
8
10
12
14
16
18
4
Frequency (GHz)
7
10
13
16
Input Power (dBm)
19
22
25
Astra Microwave Products Limited, Hyderabad, INDIA
Phone: +91-40-30618000
Fax: +91-40-23378944
Page 4 of 6
Email: info@astramwp.com
URL: www.astramtl.com
AMT2571011
Data Sheet
Rev. 1.2 March 2010
Truth Table
Truth Table
Control Voltage
State
Low “0”
High “1”
Bias condition
0 - 0.5V
3.5 - 5
Ctrl_vol
0(Low)
1(High)
RF_In to RF_Out
Off ( Isolation )
On ( Low loss )
Mechanical Characteristics
1 .2 7 [0 .0 5 0 ]
1 .4 2 [0 .0 5 6 ]
1 .5 6 [0 .0 6 2 ]
1 .1 2 [0 .0 4 4 ]
1 .1 3 [0 .0 4 5 ]
3
0 .7 0 [0 .0 2 8 ]
2
0 .5 5 [0 .0 2 2 ]
1
0 .4 0 [0 .0 1 6 ]
10
4
6
5
0 .7 0 [0 .0 2 8 ]
7
R F_out
R F _ In
0 .5 5 [0 .0 2 2 ]
8
0 .4 0 [0 .0 1 6 ]
9
1 .7 3 [0 .0 6 8 ]
Units: millimeters [inches]
All RF and DC bond pads are 100µm x 100µm
Note:
1. Pad no. 1 : RF In
2. Pad no. 8 : RF Out
3. Pad no. 3 : Control Voltage
4. Pad no. 4 : +5V
5. Pad no. 6 : –5V
Astra Microwave Products Limited, Hyderabad, INDIA
Phone: +91-40-30618000
Fax: +91-40-23378944
Page 5 of 6
Email: info@astramwp.com
URL: www.astramtl.com
AMT2571011
Data Sheet
Rev. 1.2 March 2010
Recommended Assembly Diagram
0/5v
+5v
-5v
50 Ohm Transmission Line
50 Ohm Transmission Line
3
2
4
6
5
7
RF_out 8
1 RF_In
9
10
3 mil Nominal Gap
1 mil Gold wire
Note:
1. Both the RF ports are DC Coupled.
2. Two 1 mil (25.4µm) bond wires of minimum length should be used for RF input and output.
3. For reliable operation, 0.1µF capacitors can be used at the voltage supplies
Die attach: For Epoxy attachment, use of a two-component conductive epoxy is recommended. An
epoxy fillet should be visible around the total die periphery. If Eutectic attachment is preferred, use of
fluxless AuSn (80/20) 1-2 mil thick preform solder is recommended. Use of AuGe preform should be
strictly avoided.
Wire bonding: For DC pad connections use either ball or wedge bonds. For best RF performance,
use of 150 - 200µm length of wedge bonds is advised. Single Ball bonds of 250-300µm though
acceptable, may cause a deviation in RF performance.
GaAs MMIC devices are susceptible to Electrostatic discharge. Proper
precautions should be observed during handling, assembly & testing
All information and Specifications are subject to change without prior notice
Astra Microwave Products Limited, Hyderabad, INDIA
Phone: +91-40-30618000
Fax: +91-40-23378944
Page 6 of 6
Email: info@astramwp.com
URL: www.astramtl.com