Preliminary
GaAs IC Reflective SPDT DC–6 GHz
AS209-321
Features
■
Single Broadband Design Covers
802.11a, 802.11b and 3.5 GHz Fixed
Wireless Applications
■
Positive Voltage Control (0, +5 V)
■
Low Insertion Loss Thru 6 GHz
■
High Linearity
■
QFN-12 3 x 3 mm Package
■
Low Cost
Description
The AS209-321 is a GaAs PHEMT reflective SPDT
switch that has been designed for WLAN T
X
/R
X
applications. This device has been optimized to provide
excellent performance from DC–6 GHz. The AS209-321’s
high frequency, low loss and high linearity make it an
ideal choice for 802.11a, 802.11b and 3.5 GHz fixed
wireless LAN applications.
Absolute Maximum Ratings
Characteristic
RF Input Power
Control Voltage
Operating Temperature
Storage Temperature
Value
1 W Max. > 500 MHz
-0.2 V, +6 V
-40°C to +85°C
-65°C to +150°C
Electrical Specifications at 25°C (0, +5 V)
Parameter
Insertion Loss
Frequency
DC–2
DC–3
DC–4
DC–6
DC–2
DC–3
DC–4
DC–6
DC–2
DC–3
DC–4
DC–6
GHz
GHz
GHz
GHz
GHz
GHz
GHz
GHz
GHz
GHz
GHz
GHz
30
28
25
20
15
12
10
10
Min.
Typ.
0.7
0.8
1.1
1.2
34
32
29
24
18
15
13
13
Max.
1.0
1.2
1.4
1.5
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Isolation
Return Loss (On State)
Operating Characteristics at 25°C (0, +5 V)
Parameter
Switching Characteristics
Condition
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
0/+5 V
V
C1
or V
C2
= “0”
V
C1
or V
C2
= “1” with @ 200
µA
Max.
1–4 GHz
0
3.5
Frequency
Min.
Typ.
30
50
25
46
0.5
5.0
Max.
Unit
ns
ns
mV
dBm
V
V
Input Intermodulation Intercept Point (IIP3)
Control Voltages
Alpha Industries, Inc.
[978] 241-7000
•
Fax
[978] 241-7906
•
Email
sales@alphaind.com
•
www.alphaind.com
Specifications subject to change without notice. 1/02A
1
ALPHA [ ALPHA INDUSTRIES ]
