Trilithic

Solid State Programmable Attenuators

Solid State Programmable Attenuators

  • Solid State Reliability 30 MHz to 3 GHz
  • Low Insertion Loss
  • High Switching Speed
  • Price Competitive

Trilithic's new Solid State Programmable Attenuator operates from 30 MHz to 3 GHz. The attenuation range is 0 to 127 dB in 1 dB steps. This product offers low insertion loss, 20 microseconds switching speed and it has TTL control. Please contact the factory for custom needs.

Specifications

Model EPA-127-3 SMA EPA-95.5-3 SMA EPA-127.5-3 SMA
Frequency Range
30 MHz to 3 GHz
400 MHz to 3 GHz
30 MHz to 3 GHz
Impedance
50 Ohms nominal
50 Ohms nominal
50 Ohms nominal
Attenuation Range
0 to 127 dB in 1 dB steps
0 to 95.5 dB in 0.5 dB steps
0 to 127.5 dB in 0.5 dB steps
Attenuation Steps
1, 2, 4, 8, 16, 32 and 64 dB
1, 2, 4, 8, 16 and 32 dB
1, 2, 4, 8, 16, 32 and 64 dB
VSWR
1.6:1 max
1.6:1 max
1.6:1 max
Accuracy
1, 2, 4, 8 dB ±0.3 dB to 2 GHz
1, 2, 4, 8 dB ±0.4 dB to 3 GHz
16, 32, 64 dB ±0.5 dB or 3%
 
whichever is greater
0.5 dB ±0.25 dB
1, 2, 4, 8 dB ±0.5 dB
16, 32 dB ±0.5 dB or 2%
 
whichever is greater
0.5 dB ±0.25 dB
1, 2, 4, 8 dB ±0.5 dB
16, 32, 64 dB ±0.5 dB or 2%
 
whichever is greater
Insertion Loss
6 dB maximum to 2 GHz
8 dB maximum to 3 GHz
6 dB maximum to 2 GHz
8 dB maximum to 3 GHz
6 dB maximum to 1 GHz
10 dB maximum to 3 GHz
RF Input Power
+15 dBm operating
+30 dBm no damage
+15 dBm operating
+30 dBm no damage
+15 dBm operating
+30 dBm no damage
Switching Speed
20 microseconds maximum
20 microseconds maximum
20 microseconds maximum
DC Supply
±15 Vdc @ 80 mA nominal
±15 Vdc @ 80 mA nominal
±15 Vdc @ 250 mA
DC/Control Connector
3M 3793-5303
3M 3793-5303
3M 3793-5303
RF Connectors
SMA Female
SMA Female
SMA Female
Operating Temperature Range
0° to +70° C
0° to +70° C
0° to +70° C
Programming
(7 lines)
TTL Low for Thru Path
TTL High for Attenuation
TTL Low for Thru Path
TTL High for Attenuation
TTL Low for Thru Path
TTL High for Attenuation
Think Ahead.
Copyright © 2010 Trilithic, Inc. All Rights Reserved
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