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 -55C to +85C)
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 P2
I P3
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)
VI N L ow (SW- 2 2 6 / 2 2 7 / 2 2 8 )
0 to -0.2V @ 20 A Max
VI N Hi (SW- 2 2 6 / 2 2 7 )
-5V @ 110 A Typ to -8V @ 600 A Max
VI N Hi (228)
-5V @ 50 A Typ to -8V @ 300 A 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 por t 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
q
q
q
q
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
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