| 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 |