※ 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-VAserial A2 type rotary step attenuators' average power 2W, frequency range from DC-3GHz, attenuation value 0-100dB by 0.1dB/ 1dB/ 10dB steps.
※ 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: 435g
PHYSICAL DIMENSIONS: φ30×123mm
Model Number |
Frequency
Range(GHz) |
Attenuation
Step Size |
Max VSWR |
Insertion
Loss(dB) |
Attenuation Accuracy (dB) |
UCL-VA2-2-11-1-A2 |
DC-1 |
0-11dB in
0.1dB steps |
1.25 |
≤0.6 |
±0.2dB(≤1dB)
±0.3dB (>1dB) |
UCL-VA2-2-11-2.5-A2 |
DC-2.5 |
1.4 |
≤1.0 |
UCL-VA2-2-11-3-A2 |
DC-3 |
1.6 |
≤1.2 |
UCL-VA2-2-70-1-A2 |
DC-1 |
0-70dB in 1dB
steps |
1.25 |
≤0.6 |
±0.3dB(≤10dB)
±0.8dB (≤60dB)
±1.5dB (>60dB) |
UCL-VA2-2-70-2.5-A2 |
DC-2.5 |
1.4 |
≤1.0 |
UCL-VA2-2-70-3-A2 |
DC-3 |
1.6 |
≤1.2 |
UCL-VA2-2-100-1-A2 |
DC-1 |
0-100dB in
1dB steps |
1.25 |
≤0.6 |
±0.3dB(≤10dB)
±0.8dB (≤60dB)
±1.5dB(≤70dB)
±4% (>70dB) |
UCL-VA2-2-100-2.5-A2 |
DC-2.5 |
1.4 |
≤1.0 |
UCL-VA2-2-100-3-A2 |
DC-3 |
1.6 |
≤1.2 |
7-UCL-VA2-2-XX-X-A2 .pdf