※ Rotary Step attenuators can be used to adjust the power signal level by step within certain frequency range without power off, they can also be used to adjust the test system's power level as inset attenuators, it is small with high
accuracy and high stability etc.
UCL-VA serial A1 type rotary step attenuators' average power 2W, frequency range from DC-6GHz, attenuation value 0-90dB by 0.1dB/ 1dB/ 10dB step.
※ NOMINAL IMPEDANCE: 50Ω
AVERAGE POWER: 2W
PEAK POWER: 100W (5μs pulse width with 2% duty cycle)
TEMPERATURE RANGE: -20°C~+85°C
CONNECTOR TYPE: SMA(F,F)
WEIGHT: 250g
Model Number |
Frequency
Range(GHz) |
Attenuation
Step Size |
Max VSWR |
Insertion
Loss(dB) |
Attenuation
Accuracy(dB) |
UCL-VA2-1-1-1-A1 |
DC-1 |
0-1dB in 0.1dB
steps |
1.2 |
≤0.3 |
±0.1 |
UCL-VA2-1-1-2.5-A1 |
DC-2.5 |
1.25(1.4,0dB) |
≤0.4 |
UCL-VA2-1-1-3-A1 |
DC-3 |
1.4(1.5,0dB) |
≤0.5 |
±0.2 |
UCL-VA2-1-1-6-A1 |
DC-6 |
1.6 |
≤0.85 |
±0.2 |
UCL-VA2-1-10-1-A1 |
DC-1 |
0-10dB in 1dB
steps |
1.2 |
≤0.3 |
±0.3 |
UCL-VA2-1-10-2.5-A1 |
DC-2.5 |
1.25(1.4,0dB) |
≤0.4 |
±0.4 |
UCL-VA2-1-10-3-A1 |
DC-3 |
1.4(1.5,0dB) |
≤0.5 |
±0.5 |
UCL-VA2-1-10-6-A1 |
DC-6 |
1.6 |
≤0.85 |
±0.5 |
UCL-VA2-1-60-1-A1 |
DC-1 |
0-60dB in
10dB steps |
1.2 |
≤0.3 |
±0.3 |
UCL-VA2-1-60-2.5-A1 |
DC-2.5 |
1.2(1.3,0dB) |
≤0.4 |
UCL-VA2-1-60-3-A1 |
DC-3 |
1.2(1.4,0dB) |
≤0.5 |
±0.5(<50dB)
±0.8(≥50dB) |
UCL-VA2-1-60-6-A1 |
DC-6 |
1.6 |
≤0.85 |
UCL-VA2-1-90-1-A1 |
DC-1 |
0-90dB in
10dB steps |
1.2 |
≤0.3 |
±0.3(≤60dB)
±3%(>60dB) |
UCL-VA2-1-90-2.5-A1 |
DC-2.5 |
1.25(1.3,0dB) |
≤0.4 |
UCL-VA2-1-90-3-A1 |
DC-3 |
1.25(1.4,0dB) |
≤0.5 |
±0.5(≤60dB)
±4%(>60dB) |