ETC SW-392TR

3 Volt, 2 Watt Cellular T/R Changeover Switch, DC - 2.0 GHz
SW-392
SW-392
3 Volt, 2 Watt Cellular T/R Changeover Switch
DC - 2.0 GHz
Features
•
•
•
•
•
•
SOT-26
Low Cost Plastic SOT-26 Package
Low Insertion Loss < 0.6 dB @ 900 MHz
Low Power Consumption < 20 µA @ +3V
Very High Intercept Point: 52 dBm IP3
Both Positive and Negative 3 to 8 V Control
For AMPS, NAMPS, ETACS, NMT, GSM, PCN, PDC and
DECT Applications
1
XX#Y
PIN 1
Description
M/A-COM’s SW-392 is a GaAs Monolithic switch in a low cost
SOT-26 surface mount plastic package. The SW-392 is ideally
suited for applications where very low power consumption
(<20µA @ 3V), low intermodulation products, very small size
and low cost required. Typical application is an Internal/External antenna select switch for portable telephones and data radios.
In addition, because of its low loss, good isolation, and inherent
speed, the SW-392 can be used in power applications up to 2
Watts in systems such as cellular, PCN, GSM and other analog/
digital wireless communications systems.
The SW-392 is fabricated using a mature 1-micron gate length
GaAs MESFET process. The process features full chip passivation for increased performance and reliability.
Electrical Specifications: TA = +25°C
Parameter
Insertion Loss
Isolation
VSWR
1 dB Compression
Trise, Tfall
Ton, Toff
Transients
Input IP2
Input IP3
1.
1. Dimensions are in: inches/mm
Ordering Information
Part Number
Package
SW-392 PIN
SOT-26 Plastic Package
SW-392TR
Forward Tape and Reel
1
1. Refer to Application Note M513 for reel size information.
1
Test Conditions
DC - 1.0 GHz
1.0 - 2.0 GHz
DC - 1.0 GHz
1.0 - 2.0 GHz
DC - 2.0 GHz
Input Power (3V Control)
0.9 GHz
Input Power (5V Control)
0.9 GHz
10% to 90% RF, 90% to 10% RF
50% Control to 90% RF, Control to 10% RF
In-band
2-Tone, 5 MHz spacing,
0.9 GHz
+10 dBm (+13 dBm total)
2-Tone, 5 MHz spacing,
0.9 GHz
+10 dBm (+13 dBm total)
Units
dB
dB
dB
dB
Min.
dBm
dBm
µS
µS
mV
dBm
Typ.
0.55
0.8
17
10
1.3:1
35
37
15
20
60
95
dBm
52
15
8
Max.
0.65
1.0
All measurements at 1 GHz in a 50Ω system unless otherwise specified. Loss varies at 0.003 dB/°C.
V2.00
M/A-COM Division of AMP Incorporated Q North America: Tel. (800) 366-2266, Fax (800) 618-8883 Q Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087
Q Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.
3 Volt, 2 Watt Cellular T/R Changeover Switch, DC - 2.0 GHz
1
Absolute Maximum Ratings
Parameter
SW-392
Functional Schematic
Absolute Maximum
VA
RFC
RF1
GND RF2
VB
Max. Input Power (0.5 - 2.5 GHz)
3V Control
+34 dBm
5V Control
+37 dBm
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
θjc = +87°C/W
Thermal Temperature
1.
PIN 1
Exceeding any one or a combination of these limits may cause
permanent damage.
Thermal resistance is given for TA = +25°C.
2.
Truth Table
Mode (Control) Control A
Postive
1
Postive/
Negative1,2
Negative3
Control B
RFC - RF1
RFC - RF2
0±0.2V
+3 to +8V
+3V to +8V
0±0.2V
Off
On
On
Off
-Vc±0.2V
+Vc
+Vc
-Vc±0.2V
On
Off
Off
On
0±0.2V
-3V to -8V
-3V to -8V
0±0.2V
On
Off
Two Tone IP3 Measurements
Control
Voltage
(VDC)
Input
Power
(dBm)
3rd Order
Intermodulation
Products (dBc)
IP3
(dBm)
0,3
0,5
27
27
33
66
43
60
Second
Harmonic
(dBc)
64
61
0,8
0,3
27
28
66
31
60
43
59
61
0,5
28
61
58
59
0,8
28
66
61
60
0,3
29
31
44
59
0,5
0,8
29
29
55
66
57
62
58
61
0,3
30
30
45
53
0,5
0,8
30
30
47
65
54
63
59
58
Off
On
1. External DC blocking capacitors are required on all RF ports.
2. |-Vc|+ Vc < 8 V.
3. If negative control is used, DC blocking capacitors are not required on RF ports.
Typical Performance Curves
Insertion Loss
INSERTION
LOSSvs.
vs Frequency
FREQUENCY
2
VSWRvs
vs.FREQUENCY
Frequency
VSWR
1.8
-0.5
VSWR
INSERTION LOSS (dB)
0
-1
1.6
1.4
INPUT
-1.5
1.2
OUTPUT
1
-2
0
0.5
1
1.5
FREQUENCY (GHz)
2
0
2.5
0.5
1
1.5
2
FREQUENCY (GHz)
2.5
3
Compression Point vs Control Voltage @
40
COMPRESSION (dBm)
ISOLATION (dB)
0
Isolation
vsvs
Frequency
ISOLATION
FREQUENCY
-10
-20
-30
-40
-50
&2035(66,2132,17YV&21752/92/7$*(#0+]
900MHz
1dB
35
0.1dB
30
25
20
15
10
5
0
0
0.5
1
1.5
FREQUENCY (GHz)
2
2.5
-3
-4
-5
-6
-7
CONTROL VOLTAGE (VOLTS)
-8
V2.00
M/A-COM Division of AMP Incorporated Q North America: Tel. (800) 366-2266, Fax (800) 618-8883 Q Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087
Q Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.