
KT3.0-130/1S-2S Adjustable Attenuator Technical Specifications
The KT3.0-130/1S-2S stepping coaxial attenuator can adjust circuit signal levels in 1dB steps without interrupting the circuit. It can also serve as an internal attenuator for instrument equipment, used to adjust power levels in test systems. It features compact size, high precision, and stable reliability.
1. Operating Frequency: DC-3.0GHz
2. Attenuation Adjustment Range: 0-130dB, 1dB Step
3. Decrement Steps: 1, 2, 4, 8, 16, 20, 20, 30, 30 (dB)
4. Insertion Loss: ≤3.8 dB
5. Standing Wave Ratio: ≤1.35
6. Single Key Attenuation Accuracy: ±1.0dB Max (1-20dB)
±1.2dB Max(30dB)
Multi-key attenuation accuracy: ±1.0dB Max (1-10dB)
±2.0dB Max(11-40dB)
±3.0dB Max(41-70dB)
±5% Max (71-130dB)
7. Rated Power: 2W
8. Connector Type: SMA-K-K
9. Temperature Range: -10℃ to +50℃ (Operation)
-40°C to +70°C (not in operation)
10. Dimensions: 144*20.5*31.5mm
11. Weight: 170g
Usage Instructions:
Switch lifespan: 5,000 cycles, operating at a speed of 15-20 cycles per second for 5,000 cycles.
2. Gently press and release during use to avoid loose, bent, or other mechanical deformations of the switch.































