※ 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
7-UCL-VA2-2-XX-X-A2 .pdf