鈼?/div>
Operating frequency DC鈥? GHz
Positive low voltage control (0/+3 V operation)
Low insertion loss
PHEMT process
Available lead (Pb)-free MSL-1 @ 250 擄C per JEDEC J-STD-020
0.029
(0.73 mm)
Exposed pad
0.007
(0.180 mm)
0.030
(0.75 mm)
鹵 0.002
(0.05 mm)
0.017
(0.435 mm) Sq.
Pin 1 Indicator
Description
The AS218-321 is a broadband transfer switch designed to
combine T/R and antenna diversity switching functions on a
single IC. The device is designed to handle high power and
maintain high linearity at low control voltages. This low cost
switch is ideal for Wi-Fi systems and is capable of covering
both the 2.4 and 5 GHz bands.
0.009 (0.23 mm)
+ 0.003 (0.07 mm)
- 0.002 (0.05 mm)
0.0196
(0.50 mm) BSC
0.057 (1.45 mm) Sq.
+ 0.004 (0.10 mm)
- 0.006 (0.15 mm)
0.022 (0.55 mm)
鹵 0.004 (0.10 mm)
NEW
Skyworks offers lead (Pb)-free 鈥渆nvironmentally
friendly鈥?packaging that is RoHS compliant
(European Parliament for the Restriction of
Hazardous Substances).
Electrical Specifications at 25 擄C (0, +3 V)
Parameter
(1, 4)
Insertion
loss
(2)
Condition
Ant 1, Ant 2 to TX, RX
Frequency
0.10鈥?.00 GHz
2.40鈥?.50 GHz
5.15鈥?.85 GHz
0.10鈥?.00 GHz
2.40鈥?.50 GHz
5.15鈥?.85 GHz
0.10鈥?.00 GHz
0.10鈥?.00 GHz
2.40鈥?.50 GHz
5.15鈥?.85 GHz
3. Return loss for insertion loss state.
4. TX and RX paths can be used interchangeably.
Min.
Typ.
1.6
1.2
1.4
Max.
1.8
1.4
1.6
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Isolation
Ant 1, Ant 2 to TX, RX
17
26
17
19
28
19
6
10
15
20
Isolation
Return loss
(3)
V
1
= V
2
Ant 1, Ant 2 to TX, RX
1. All measurements made in a 50
鈩?/div>
system.
2. Insertion loss changes by 0.003 dB/C.
Skyworks Solutions, Inc. 鈥?Phone [781] 376-3000 鈥?Fax [781] 376-3100 鈥?sales@skyworksinc.com 鈥?www.skyworksinc.com
200082 Rev. B 鈥?Skyworks Proprietary Information 鈥?Products and Product Information are Subject to Change Without Notice. 鈥?January 7, 2005
1
SKYWORKS
1
2
3
4
