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RF Attenuators
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Solid State Attenuators from Trilithic

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.

 Low Power Fixed Attenuator, Medium Power Fixed Attenuator, Fixed Attenuator, High Power Fixed Attenduator, Rotary Step Attenuator, Rotary Attenuator, Relay Programmable Attenuator, Solid State Attenuator, Benchtop Attenuator, milimeter Wave Attenuator, Pin Diode Attenuator

Specifications

Download Datasheet
Model EPA-127-3 SMA EPA-95.5-3 SMA EPA-127.5-3 SMA
Frequency 30 MHz to 3 GHz 400 MHz to 3 GHz D30 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 DC to 500 MHz, 1.25:1 max
500 MHz to 1 GHz, 1.33:1 max		 DC to 500 MHz, 1.25:1 max
500 MHz to 1 GHz, 1.33:1 max		 DC to 500 MHz, 1.25:1 max
500 MHz to 1 GHz, 1.33:1 max
1 GHz to 2.2 GHz, 1.40:1 max
2.2 GHz to 3 GHz, 1.50:1 max
Accuracy 1, 2, 4, 8 dB ±plusmn;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 @ 15 mA nominal
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