Qualwave supplies broad band and high dynamic range digital controlled attenuators at frequencies up to 40GHz. The step can be 0.25dB and attenuation range can be 100dB or even more. Our digital controlled attenuators are widely used in many areas.
Features:
- Broadband
- High Dynamic Range
- Customization on demand
Applications:
- Wireless
- Radar
- Laboratory Test

Part Number | Frequency (GHz) | Attenuation Range (dB) | Step (dB, min.) | Accuracy (+/-) | Insertion Loss (dB, max.) | VSWR | Switching Time (nS,max.) | Power (W,max.) | Lead Time (Weeks) |
---|---|---|---|---|---|---|---|---|---|
QDA-0-6000-30-1 | DC~6 | 1~30 | 1 | 3~5% | 2 | 1.5 | - | 0.1 | 3~6 |
QDA-0-18000-110-10 | DC~18 | 0~110 | 10 | 4.5dB | 0.6+0.09/GHz | 1.75 | - | 1 | 3~6 |
QDA-0.1-5000-110-1 | 0.0001~5 | 0~110 | 1 | 3dB | 8 | 2.5 | 500 | 1 | 3~6 |
QDA-1-4000 | 0.001~4 | 0~60 | 0.25 | 3% | 5 | 1.8 | 200 | 0.5 | 3~6 |
QDA-10-13000-40-10 | 0.01~13 | 0~40 | 10 | 3% | 7 | 1.5 | 100 | 5 | 3~6 |
QDA-20-6000-31.5-0.5 | 0.02~6 | 0.5~31.5 | 0.5 | 3~5% | 5 | 1.5 | - | 0.1 | 3~6 |
QDA-108-400-31-1 | 0.108~0.4 | 0~31 | 1 | 3% | 2.5 | 2 | 500 | 15.8 | 3~6 |
QDA-500-18000-62-2 | 0.5~18 | 0~62 | 2 | 3% | 9 | 2 | 100 | 0.501 | 3~6 |
QDA-500-40000-31.5-0.5 | 0.5~40 | 0.5~31.5 | 0.5 | 2dB | 7 | 2.0 | - | 0.316 | 3~6 |
QDA-500-40000-63.5-0.5 | 0.5~40 | 0.5~63.5 | 0.5 | 2dB | 11.5 | 1.7 | - | 0.316 | 3~6 |
QDA-1000-2000-47.5-0.5 | 1~2 | 0~47.5 | 0.5 | 3% | 3.5 | 1.5 | 100 | 0.501 | 3~6 |
QDA-1000-2000-63-1 | 1~2 | 0~63 | 1 | 3% | 2.5 | 1.5 | 100 | 1 | 3~6 |
QDA-1000-12000 | 1~12 | 0~60 | 0.25 | 3% | 6 | 2 | 200 | 0.501 | 3~6 |
QDA-1000-20000-63.5-0.5 | 1~20 | 0.5~63.5 | 0.5 | 3dB | 7 | 1.8 | - | 0.316 | 3~6 |
QDA-1000-40000-31-1 | 1~40 | 0~31 | 1 | 5% | 8 | 2 | - | 0.1 | 3~6 |
QDA-2000-10000-60-0.1 | 2~10 | 0~60 | 0.1 | - | 7 | 2 | - | 0.316 | 3~6 |
QDA-2000-18000 | 2~18 | 0~60 | 0.25 | 4% | 6 | 2 | 200 | 0.5 | 3~6 |
QDA-2000-18000-15-1 | 2~18 | 0~15 | 1 | 4% | 7 | 2.2 | 500 | 0.1 | 3~6 |
QDA-2000-18000-60-0.1 | 2~18 | 60 min. | 0.1 | 5% | 6 | 2 | - | 0.1 | 3~6 |
QDA-2000-18000-60-10 | 2~18 | 0~60 | 10 | 4% | 14 | 2.2 | 500 | 0.1 | 3~6 |
QDA-2000-40000-31-1 | 2~40 | 0~31 | 1 | 5% | 9 | 2.5 | 100 | 0.501 | 3~6 |
QDA-6000-18000-31.5-0.5 | 6~18 | 0.5~31.5 | 0.5 | 3~5% | 5.5 | 2 | - | 0.1 | 3~6 |
QDA-6000-26500 | 6~26.5 | 0~60 | 0.5 | 4% | 8 | 2.5 | 200 | 0.5 | 3~6 |
QDA-8000-10000-31.5-0.5 | 8~10 | 0~31.5 | 0.5 | 2% | 4 | 1.8 | 100 | 0.501 | 3~6 |
QDA-8000-12000-31-1 | 8~12 | 0~31 | 1 | 2% | 3.5 | 1.5 | 100 | 0.501 | 3~6 | QDA-8000-12000-101.5-0.5 | 8~12 | 0~101.5 | 0.5 | 0.4+5% | 21 | 2 | 200 | 0.316 | 3~6 |
QDA-8000-12000-110-10 | 8~12 | 110 min | 10 | 3~5% | 8 | 1.5 | - | 0.1 | 3~6 |
QDA-8000-18000-63-1 | 8~18 | 0~63 | 1 | 5% | 8 | 2 | 100 | 0.501 | 3~6 |
QDA-8000-18000-70-1 | 8~18 | 0~70 | 1 | 5% | 11 | 2 | 100 | 0.501 | 3~6 | QDA-8200-12400-61-1 | 8.2~12.4 | 0~61 | 1 | 4% | 7 | 2.2 | 500 | 1 | 3~6 |
QDA-8500-9500-31.5-0.25 | 8.5~9.5 | 0~31.5 | 0.25 | 3~5% | 5.5 | 2 | - | 1 | 3~6 |
QDA-9000-10000-47.5-0.5 | 9~10 | 0~47.5 | 0.5 | 3% | 5.5 | 1.8 | 100 | 0.501 | 3~6 |
QDA-18000-26000-47.5-0.5 | 18~26 | 0~47.5 | 0.5 | 3% | 9 | 2.5 | 100 | 0.501 | 3~6 |
QDA-18000-40000 | 18~40 | 0~60 | 0.5 | 6% | 9 | 2.5 | 200 | 0.501 | 3~6 |
QDA-18000-40000-31.5-0.5 | 18~40 | 0~31.5 | 0.5 | 6% | 8 | 2.5 | 500 | 0.501 | 3~6 |
QDA-26000-40000-51.5-0.5 | 26~40 | 0~51.5 | 0.5 | 5% | 15 | 2.5 | 100 | 0.501 | 3~6 |
QDA-30000-40000-30-0.5 | 30~40 | 0~30 | 0.5 | 3~5% | 5.5 | 1.5 | - | 0.316 | 3~6 |
QDA-35000-40000-60-0.5 | 35~40 | 60 min. | 0.5 | - | 15 | 1.5 | - | 0.0316 | 3~6 |