Alpha Industries, Inc. [978] 241-7000
Fax [978] 241-7906 Email sales@alphaind.com www.alphaind.com
1
Specifications subject to change without notice. 1/02A
GaAs IC Reflective SPDT with Driver 36 GHz
Features
T
X
/R
X
Switch for IEEE 802.11a Wireless
LAN Applications
Positive CMOS Level Control (0, +3 V)
Low Loss (< 1.3 dB)
Low DC Power Consumption
QFN-12 3 x 3 mm Package
Low Cost
No External Components Needed
AS210-321
Description
The AS210-321 is a GaAs PHEMT SPDT reflective switch
that has been designed for WLAN T
X
/R
X
applications. This
device has been optimized to provide excellent
performance from 36 GHz. The AS210-321's low
insertion loss make it an ideal choice for the 802.11a and
3.5 GHz fixed wireless LAN applications.
Parameter
Frequency
Min.
Typ.
Max.
Unit
Insertion Loss
34 GHz
1.5
1.8
dB
56 GHz
1.0
1.5
dB
Isolation
35 GHz
23
27
dB
56 GHz
25
29
dB
Return Loss (On State)
36 GHz
7.5
12
dB
Electrical Specifications at 25C (0, +3 V)
Preliminary
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
Switching Characteristics
Rise, Fall (10/90% or 90/10% RF)
100
ns
On, Off (50% CTL to 90/10% RF)
150
ns
Video Feedthru
25
mV
Input Intermodulation Intercept Point (IIP3)
0/+3 V
56 GHz
50
dBm
Control Voltages (C
1
)
C
1
= "0" with @ 700
A Max.
0
0.4
V
C
1
= "1" with @ 500
A Max.
2.4
5.0
V
Supply Voltage (V
S
)
3.0
5.0
V
Supply Current
400
700
A
Operating Characteristics at 25C (0, +3 V)
Characteristic
Value
RF Input Power
1 W Max. > 500 MHz
Supply Voltage
-0.2 V, +6 V
Control Voltage
-0.2 V, +6 V
Operating Temperature
-40C to +85C
Storage Temperature
-65C to +150C
Absolute Maximum Ratings
GaAs IC Reflective SPDT with Driver 36 GHz
AS210-321
2
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
C
1
J
1
N/C
N/C
N/C
V
S
J
2
N/C
N/C
N/C
J
3
N/C
Pin Out (Top View)
Typical Performance Data at 25C
Return Loss vs. Frequency
Frequency (GHz)
Return Loss (dB)
3.0
3.5
4.0
4.5
5.0
6.0
5.5
-20
-15
-10
-5
0
Isolation vs. Frequency
Frequency (GHz)
Isolation (dB)
-50
-40
-30
-20
-10
0
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Insertion Loss vs. Frequency
Frequency (GHz)
Insertion Loss (dB)
-2.00
-1.75
-1.50
-1.25
-1.00
-0.75
-0.50
-0.25
0
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input IP3 vs. Frequency
Frequency (GHz)
Input IP3 (dB)
50
51
52
53
54
55
56
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
C
1
J
1
J
2
J
2
J
3
0
Isolation
Insertion Loss
1
Insertion Loss
Isolation
Truth Table
Ground is connected to paddle on bottom.
GaAs IC Reflective SPDT with Driver 36 GHz
AS210-321
Alpha Industries, Inc. [978] 241-7000
Fax [978] 241-7906 Email sales@alphaind.com www.alphaind.com
3
Specifications subject to change without notice. 1/02A
J
1
J
2
J
3
V
S
C
1
Evaluation Board Layout
Typical S-Parameters (Control Voltage 0/+3 V)
QFN-12
0.008 (0.20 mm)
SEATING PLANE
0.118 (3.00 mm)
PIN 1
INDICATOR
PIN 1
INDICATOR
0.118
(3.00 mm)
0.001
(0.02 mm)
0.030
(0.75 mm)
0.002
(0.05 mm)
EXPOSED
PAD
0.029
(0.73 mm)
0.0196
(0.50 mm) BSC
0.057 (1.45 mm) SQ.
+ 0.004 (0.10 mm)
- 0.006 (0.15 mm)
0.009 (0.23 mm)
+ 0.003 (0.07 mm)
- 0.002 (0.05 mm)
Insertion Loss State
Isolation State
# GHZ S MA R 50
# GHZ S MA R 50
Freq.
(GHz)
S
11
S
11a
S
21
S
21a
S
12
S
12a
S
22
S
22a
S
11
S
11a
S
21
S
21a
S
12
S
12a
S
22
S
22a
3.0
0.39
261.74
0.84
71.69
0.86
71.02
0.36
216.00
0.80
204.12
0.044
80.43
0.044
80.60
0.37
214.92
3.5
0.36
192.95
0.85
15.37
0.87
14.18
0.33
146.47
0.77
126.78
0.043
29.93
0.043
29.95
0.32
147.00
4.0
0.29
126.56
0.86
-39.06
0.86
-39.01
0.26
72.34
0.76
51.10
0.040
-11.65
0.040
-11.09
0.25
77.55
4.5
0.23
72.00
0.89
266.35
0.89
266.77
0.19
-18.71
0.72
-27.26
0.041
-56.14
0.041
-56.39
0.18
-3.67
5.0
0.21
21.24
0.90
211.21
0.90
211.52
0.18
241.37
0.70
249.53
0.039
248.64
0.039
250.86
0.17
256.52
5.5
0.24
-52.64
0.89
155.77
0.89
155.87
0.24
165.97
0.71
170.47
0.037
208.18
0.037
208.61
0.25
172.76
6.0
0.32
215.58
0.85
99.29
0.85
100.14
0.32
107.90
0.74
101.73
0.037
171.03
0.037
170.45
0.34
104.97
Measured S-Parameters include the evaluation board.
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