SP3T RF SWITCH
MODEL TWP2248
Package: FP14 - 16 Lead Flatpack
Also Available in: Connnectorized Housings
Features
Maximum (No Damage) Ratings
Ambient OperatingTemperature ................ -55ºC to + 100 ºC
StorageTemperature ................................. -65ºC to + 125 ºC
CaseTemperature .................................................. + 125 ºC
DCVoltage .......................................................... +7.0 Volts
Continuous RF Input Power ................................... +30 dBm
! 5-2000 MHz; Integral TTL Driver
! Fast Switching Speed: 20 ns Typical (GaAs)
! RF1-RF3 Terminated in “OFF” State
! OperatingTemp. -55 ºC to + 85 ºC
! Enviromental ScreeningAvailable
Specifications
Pin Layout
CHARACTERISTIC
TYPICAL
MIN/MAX
Ta = 25 ºC
Ta = -55 ºC to +85 ºC
Frequency
5-2000 MHz
5-2000 MHz
Insertion Loss (dB)
Isolation (dB)
1.2
45
2.0 Max.
34 Min.
VSWR
“ON”
1.8:1
2.0:1 Max.
DC
Bias
Vdc
mA
+ 5 V
0.5
+ 5 V Max.
1.0 Max.
Switching
Speed (ns)
20
40 Max.
––––
Transients (mV)
80
1 dB Compression (dBm)
0.05 GHz
0.5 -2 GHz
21
27
––––
––––
Truth Table
Switch Position
Control Input
Intercept Points (dBm)
0.05 GHz
0.5 - 2 GHz
IP2 IP3
+62 +40
+68 +46
–––––
–––––
RF Common to RF
Throw
TTL
Note: Care should always be taken to effectively ground the case of each unit.
1
0
Low Loss (“ON”)
Isolated (“OFF”)
Typical Performance Data
Insertion Lass (dB)
Input VSWR
2.0
1.0
0
2.0
1.5
1.0
2.0
Start 5 MHz
Stop 2.0 GHz
Start 5 MHz
Stop 2.0 GHz
Isolation (dB)
Output VSWR
100
80
60
1.5
1.0
40
20
Start 5 MHz
Stop 2.0 GHz
Start 5 MHz
Stop 2.0 GHz
Legend
+ 25 ºC
+ 85 ºC - - - - - - -55 ºC
Rev.
4/1/08
Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532
Spectrum Microwave · 2707 Black Lake Place · Philadelphia, Pennsylvania 19154 · PH (215) 464-4000 · Fax (215) 464-4001
www.SpectrumMicrowave.com