DATA SHEET
SKY13321-360LF: 0.1-3.0 GHz GaAs SPDT Switch
Applications
? Higher power applications with excellent linearity performance
? WiMAX systems
Features
? Positive voltage control (0 to 1.8 V)
J2
RF C
J1
? High isolation, 26 dB typical @ 1 GHz
? Low loss, 0.4 dB typical @ 1 GHz
V1
V2
S1421
? Excellent linearity performance, P-0.1dB insertion point
@ +39 dBm
? Small, QFN (8-pin, 2 x 2 mm) package (MSL1, 260 ? C per
JEDEC J-STD-020)
Figure 1. SKY13321-360LF Block Diagram
Description
The SKY13321-360LF is a pHEMT GaAs FET I/C switch. The
switch may be used in transmit/receive applications by
connecting the RF common port (RFC, pin 7) to either the J1 or J2
port (pin 1 or 4, respectively) using a low loss path (i.e., a positive
voltage applied to either V1 or V2 pins).
The switch is manufactured in a compact, 2 x 2 mm, 8-pin
exposed pad plastic Quad Flat No-Lead (QFN) package.
A functional block diagram is shown in Figure 1. The pin
configuration and package are shown in Figure 2. Signal pin
assignments and functional pin descriptions are provided in
Table 1.
J1
G ND
G ND
J2
1
2
3
4
8
7
6
5
V1
RF C
G ND
V2
S1420
Figure 2. SKY13321-360LF Pinout – 8-Pin QFN
(Top View)
Skyworks Solutions, Inc. ? Phone [781] 376-3000 ? Fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com
201072D ? Skyworks Proprietary Information ? Products and Product Information are Subject to Change Without Notice ? July 15, 2010
1
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