M A COM SW-228, SW-227, SW-226 Datasheet
V 2.01
F e a t u r e s
M i n i a t u re Ceramic Package
Te rminated (SE-226), High Isolation (SW-227),
Low Loss (SW- 2 2 8 )
Fast Switching Speed, 6 ns Ty p i c a l
Ultra Low DC Power Consumption
Guaranteed Specifications *
( F rom -55°C to +85°C)
F r e q u e n cy Range DC-4 GHz
Model Number S W- 2 2 6 S W- 2 2 7 S W- 2 2 8
I n s e rtion Loss DC-4 GHz 1 . 5 1 . 4 1.0 dB Max
DC-2 GHz 1 . 2 1 . 1 0.8 dB Max
DC-1 GHz 1 . 0 1 . 0 0.7 dB Max
DC-0.5 GHz 0 . 9 0 . 9 0.7 dB Max
V S W R DC-4 GHz 2 . 3 : 1 2 . 0 : 1 1.9:1 M a x
DC-2 GHz 1 . 6 : 1 1 . 6 : 1 1.3:1 M a x
DC-1 GHz 1 . 4 : 1 1 . 4 : 1 1.2:1 M a x
DC-0.5 GHz 1 . 2 : 1 1 . 2 : 1 1.2:1 M a x
I s o l a t i o n DC-4 GHz 2 5 3 5 22 dB Min
DC-2 GHz 4 0 4 0 32 dB Min
DC-2 GHz 4 8 5 0 42 dB Min
DC-0.5 GHz 5 3 5 5 50 dB Min
Operating Characteristics
I m p e d a n c e 50 Ohms Nominal
S w i t ching Characteristics†
Tri s e, T fa l l 3 ns Ty p
Ton, Toff (50% CTL to 90/10% RF) 6 ns Ty p
Transients (In-Band) SW- 2 2 6 / 2 2 7 30 mV Ty p
Transients (In-Band) SW- 2 2 8 10 mV Ty p
Input Power for 1 dB Compression
Control Voltages (Vdc) 0 / - 5 0 / - 8
0.5-4 GHz + 2 7 + 3 3 dBm Ty p
0.05 GHz + 2 1 + 2 6 dBm Ty p
Intermodulation Intercept Po i n t
( for two-tone input power up to + 13 dBm)
Intercept Po i n t s I P
2
I P
3
0.5 - 4 GHz + 6 8 + 4 6 dBm Ty p
0.05 GHz + 6 2 + 4 0 dBm Ty p
C o n t rol Vo l t ages (Complementary Logic)
V
I N
L ow (SW- 2 2 6 / 2 2 7 / 2 2 8 ) 0 to -0.2V @ 20 µA Max
V
I N
Hi (SW- 2 2 6 / 2 2 7 ) -5V @ 110 µA Typ to -8V @ 600 µA Max
V
I N
Hi (228) -5V @ 50 µA Typ to -8V @ 300 µA Max
E nv i ro n m e n t a l
See Appendix for MIL-STD-883 screening option.
* All specifications apply with 50 ohm impedance connected to all RF port s
with 0 and -5 VDC control vo l t a g e s.
† Faster switching speed can be achieved with enhaned dri ver wave fo rm .
* * For the SW-227 and SW-228 only, when an RF output is ‘ O F F ’ it is
s h o rted to case gr o u n d .
GaAs SPDT Switch
DC-4 GHz
C R - 2
●
●
●
●
SW-226/227/228
Bottom of Case is AC Ground.
Dimensions in ( ) are in mm.
Unless Otherwise Noted:.xxx = ±0.010 (.xx = ±0.25)
.xx = ±0.02 (.x = ±0.5)
O rdering Info r m a t i o n
Model No. Pa ck age
S W-226 PIN C e ra m i c
S W-227 PIN C e ra m i c
S W-228 PIN C e ra m i c
V 2.01
GaAs SPDT Switch SW-226/227/228
Typical Pe r fo r m a n c e
2.0
1.5
1.0
0.5
0.0
0 1 2 3 4
FREQUENCY (GHz)
80
70
60
50
40
30
20
0 1 2 3 4
FREQUENCY (GHz)
2.0
1.8
1.6
1.4
1.2
1.0
0 1 2 3 4
FREQUENCY (GHz)
INSERTION LOSS
ISOLATION
VSWR
Pin Configuration
Truth Ta bl e * *
C o n t rol Input Condition of Switch
RF Common To Each RF PORT
A 1 B 1 A 2 B 2 R F 1 R F 2
S W- 2 2 6 / 2 2 7 H I L O L O H I O N O F F
L O H I H I L O O F F O N
S W- 2 2 8 H I L O N C N C O N O F F
L O H I N C N C O F F O N
SW-226/SW-227
SW-228
SW-226
SW-228
SW-227
SW-226/SW-227
SW-228
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