KT3.0-90/1S Key Switchable Attenuator Technical Specifications

The step attenuator features a coaxial design that can adjust circuit signal levels in 1dB increments without interrupting the circuit. It can also serve as an internal attenuator for instruments and equipment, used to adjust power levels in test systems. It boasts compact size, high precision, and stable, reliable performance.

1. Operating Frequency: DC-3.0GHz

2. Attenuation adjustment range: 0-90 dB in steps

3. Decrement Steps: 1, 2, 4, 8, 16, 20, 20, 20, (dB)

4. Insertion Loss: ≤3.0dB

5. Standing Wave Ratio: ≤1.3

6. Single Key Attenuation Accuracy: ±0.9dB Max

Multiple-key attenuation accuracy: ±1.5 dB Max (1-40 dB)

±5.0dB Max（41-90dB） 

7. Rated Power: 2W

8. Connector Type: SMA-K-K or N-K-K

9. Temperature Range: -10℃ to +50℃ (Operation)

-40°C to +70°C (not in operation)

10. Dimensions: 130x20X31.5mm 

11. Weight: 175g

Use Instructions:

Switch lifespan: 5,000 cycles, operated at a speed of 15-20 cycles per minute for 5,000 cycles.

2. Gently press and release during use to prevent loose, bending, or other mechanical deformations of the switch.