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PDF HWS454 Data sheet ( Hoja de datos )
| Número de pieza | HWS454 | |
| Descripción | GaAs Switch | |
| Fabricantes | Hexawave | |
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HWS454
GaAs 0.5-6 GHz DP4T Switch
February 2009 V3
Features
QFN16L (4 x 4 mm)
•Combination of 1 DPDT and 2 SPDT switches
•Low Insertion Loss : 1.30 dB @ 2.50 GHz
1.55 dB @ 5.85 GHz
• Isolation: 26 dB @ 2.50 GHz
19 dB @ 5.85 GHz
• Miniature QFN16L (4x4 mm) Plastic Lead (Pb)
Free Package
• PHEMT process
• Lead Free and RoHS (Restrict of Hazardous
Substances) Compliant Version of HWS379
Description
The HWS454 is a GaAs PHEMT MMIC DP4T switch
operating at 0.5-6 GHz in a low cost miniature
QFN16L (4 x 4 mm) plastic lead (Pb) free package.
The HWS454 combines one DPDT switch and two
SPDT switches in a single IC and features low
insertion loss and high isolation with very low DC
power consumption. This switch can be used in
IEEE 802.11a/b/g WLAN or WiMAX systems for
combination of transmit/receive and antenna diversity
functions. Two antenna ports can be selected for
antenna diversity function and four RF ports can be
arbitrary chosen for 2.5 GHz band or 5.85 GHz band
as transmit/receive functions.
Electrical Specifications at 25°C with 0, +3V Control Voltages
Parameter
Insertion Loss
ANT ports to RF ports
Isolation (SPDT part)
Ex: ANT1 to RF2 when ANT1 to RF1 is on
Isolation (DPDT part)
Ex: ANT2 to RF1 when ANT1 to RF1 is on
Return Loss
Test Conditions
0.50-6.00 GHz
2.40-2.50 GHz
5.15-5.85 GHz
0.50-6.00 GHz
2.40-2.50 GHz
5.15-5.85 GHz
0.50-6.00 GHz
2.40-2.50 GHz
5.15-5.85 GHz
0.50-6.00 GHz
Min.
24
16
Input Power for One dB Compression
2.00-6.00 GHz
Switching Time
Control Current
Typ.
1.60
1.30
1.55
25
26
27
19
27
19
12
30
70
30
Max.
1.50
1.85
300
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBm
nsec
uA
Note: All measurements made in a 50 ohm system with 0/+3.0V control voltages, unless otherwise specified.
Hexawave Inc. 2 Prosperity Road II, Science-Based Industrial Park, Hsinchu, Taiwan. TEL 886-3-578-5100 FAX 886-3-577-0512
http://www.hw.com.tw All specifications are subject to change without notice.
www.DataSheet.in
1 page  
HWS454
GaAs 0.5-6 GHz DP4T Switch
February 2009 V3
Application Information (Continued)
Simplified Application Block Diagram Between HWS454 and WLAN 802.11 a/b/g RFIC
ANT2
ANT1
Antenna
Select
Band
Select
Antenna
SelectInv
Band
SelectInv
VC1 VC3 VC2 VC4
RF1
RF2
RF3
RF4
HWS454DP4T Switch
WLAN 802.11a/b/g
RFIC
HB_RX
LB_RX
HB_TX
LB_TX
Note:
1. VC1 and VC3 are used for antenna selection, while VC2 and VC4 are used for band selection.
2. LB_RX stands for low-band(2.5 GHz band) receiving port and HB_TX stands for high-band(5.85 GHz
band) transmitting port.
3. RF paths between switch and RFIC may include amplifiers, filters, and baluns.
Logic Table for Switch On-Path
VC1 VC3
VC2
(AntennaSelect) (AntennaSelectInv) (BandSelect)
01
1
10
1
01
0
10
0
VC4
(BandSelectInv)
0
0
1
1
ANT1
RF1(HB_RX)
RF3(HB_TX)
RF2(LB_RX)
RF4(LB_TX)
ANT2
RF3(HB_TX)
RF1(HB_RX)
RF4(LB_TX)
RF2(LB_RX)
Hexawave Inc. 2 Prosperity Road II, Science-Based Industrial Park, Hsinchu, Taiwan. TEL 886-3-578-5100 FAX 886-3-577-0512
http://www.hw.com.tw All specifications are subject to change without notice.
www.DataSheet.in
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet HWS454.PDF ] | |
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