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) |
Control Bits | Step (dB) | Accuracy (+/-) | Insertion Loss (dB, max.) |
VSWR | Switching Time (nS,max.) |
Power (dBm,max.) |
Lead Time (Weeks) |
|---|---|---|---|---|---|---|---|---|---|---|
| QDA-0-6000-30-1 | DC~6 | 0~30 | - | 1 | 3~5% typ. | 2 | 1.5 | - | 20 | 3~6 |
| QDA-0-18000-11-1 | DC~18 | 0~11 | - | 1 | ±1dB | 0.6+0.09/GHz | 1.75 | 20ms | 30 | 3~6 |
| QDA-0-18000-110-10 | DC~18 | 0~110 | - | 10 | ±4.5dB | 0.6+0.09/GHz | 1.75 | 20ms | 30 | 3~6 |
| QDA-0-26500-11-1 | DC~26.5 | 0~11 | - | 1 | ±1.15dB | 2.5 | 1.8 | 20ms | 30 | 3~6 |
| QDA-0-26500-90-10 | DC~26.5 | 0~90 | - | 10 | ±2.95dB | 2.5 | 1.8 | 20ms | 50 | 3~6 |
| QDA-0-40000-11-1 | DC~40 | 0~11 | - | 1 | ±1.2dB | 3 | 1.85 | 20ms | 30 | 3~6 |
| QDA-0-40000-90-10 | DC~40 | 0~90 | - | 10 | ±5% | 3 | 1.85 | 20ms | 30 | 3~6 |
| QDA-0-50000-11-1 | DC~50 | 0~11 | - | 1 | ±1.35dB | 3.5 | 1.85 | 20ms | 30 | 3~6 |
| QDA-0-50000-65-5 | DC~50 | 0~65 | - | 5 | ±1.5dB | 4 | 1.6 | 20ms | 30 | 3~6 |
| QDA-0-50000-90-10 | DC~50 | 0~90 | - | 10 | ±5.5% | 4 | 2.2 | 20ms | 30 | 3~6 |
| QDA-9K-20000-31.5-0.5 | 9K~20 | 0~31.5 | - | 0.5 | ±1dB typ. | 6 | 2 | - | 25 | 3~6 |
| QDA-0.1-5000-110-1 | 0.0001~5 | 0~110 | 7 | 1 | ±3dB | 8 | 2.5 | 500 | 30 | 3~6 |
| QDA-10-18000-31.5-0.5 | 0.01~18 | 0~31.5 | - | 0.5 | ±1dB | 5.5 | 2 | 1μs | 25 | 3~6 |
| QDA-10-18000-63-1 | 0.01~18 | 0~63 | - | 1 | ±1.5dB typ. | 7.5 | 2 | 20 | 25 | 3~6 |
| QDA-10-18000-63.5-0.5 | 0.01~18 | 0~63.5 | 7 | 0.5 | ±2dB | 5 | 2.5 | - | - | 3~6 |
| QDA-10-18000-63.75-0.25 | 0.01~18 | 0~63.75 | 8 | 0.25 | ±2dB | 6 | 2.5 | - | - | 3~6 |
| QDA-10-20000-63.75-0.25 | 0.01~20 | 0~63.75 | - | 0.25 | ±1.5dB typ. | 8 | 2 | 20 | 25 | 3~6 |
| QDA-20-6000-31.5-0.5 | 0.02~6 | 0~31.5 | - | 0.5 | ±0.5dB typ. | 6 | 2 | - | 25 | 3~6 |
| QDA-20-18000-31.5-0.5 | 0.02~18 | 0~31.5 | - | 0.5 | ±1dB typ. | 5.5 | 2 | - | 25 | 3~6 |
| QDA-20-20000-31.5-0.5 | 0.02~20 | 0~31.5 | - | 0.5 | ±1dB typ. | 6 | 2 | - | 25 | 3~6 |
| QDA-50-4000-31-1 | 0.05~4 | 0~31 | 5 | 1 | ±0.5dB typ. | 3 | 1.8 | 1000 | 24 | 3~6 |
| QDA-100-18000-31.5-0.5 | 0.1~18 | 0~31.5 | - | 0.5 | ±1dB typ. | 5.5 | 2 | - | 25 | 3~6 |
| QDA-100-18000-32-0.03 | 0.1~18 | 0~32 | 10 | 0.03 | ±2dB | 4.7 | 2.5 | - | - | 3~6 |
| QDA-100-18000-32-0.06 | 0.1~18 | 0~32 | 9 | 0.06 | ±2dB typ. | 4.7 | 2.5 | - | - | 3~6 |
| QDA-100-40000-31-1 | 0.1~40 | 0~31 | 5 | 1 | ±2dB | 9 | 2.2 | - | - | 3~6 |
| QDA-100-40000-32-0.03 | 0.1~40 | 0~32 | 10 | 0.03 | ±2dB | 6 | 2.5 | - | - | 3~6 |
| QDA-100-40000-32-0.06 | 0.1~40 | 0~32 | 9 | 0.06 | ±2dB typ. | 6 | 2.5 | - | - | 3~6 |
| QDA-100-40000-31.5-0.5 | 0.1~40 | 0~31.5 | - | 0.5 | ±1dB | 9 | 2.2 | - | 25 | 3~6 |
| QDA-100-50000-31.5-0.5 | 0.1~50 | 0~31.5 | 6 | 0.5 | ±2dB typ. | 11 | 2.5 | - | - | 3~6 |
| QDA-500-18000-31.5-0.5 | 0.5~18 | 0~31.5 | - | 0.5 | ±1dB typ. | 5.5 | 2 | - | 25 | 3~6 |
| QDA-500-18000-63.75-0.25 | 0.5~18 | 0~63.75 | - | 0.25 | ±1.5dB typ. | 7.5 | 2 | 20 | 25 | 3~6 |
| QDA-500-40000-31.5-0.5 | 0.5~40 | 0~31.5 | - | 0.5 | ±2dB | 7 | 2 | - | 25 | 3~6 |
| QDA-500-40000-63.5-0.5 | 0.5~40 | 0~63.5 | - | 0.5 | ±2dB | 11.5 | 1.7 | - | 25 | 3~6 |
| QDA-1000-2000-31.5-0.5 | 1~2 | 0~31.5 | - | 0.5 | ±0.5dB typ. | 3.6 | 1.8 | - | 25 | 3~6 |
| QDA-1000-2000-47.5-0.5 | 1~2 | 0~47.5 | 7 | 0.5 | 3% | 3.5 | 1.5 | 100 | 27 | 3~6 |
| QDA-1000-2000-63-1 | 1~2 | 0~63 | 6 | 1 | 3% | 2.5 | 1.5 | 100 | 30 | 3~6 |
| QDA-1000-2000-63.5-0.5 | 1~2 | 0~63.5 | - | 0.5 | ±2.5dB | 5 | 1.7 | - | 25 | 3~6 |
| QDA-1000-2000-63.75-0.25 | 1~2 | 0~63.75 | 8 | 0.25 | ±1.5dB | 1.5 | 1.5 | - | - | 3~6 |
| QDA-1000-18000-31.5-0.5 | 1~18 | 0~31.5 | - | 0.5 | ±1dB typ. | 5.5 | 2 | - | 25 | 3~6 |
| QDA-1000-18000-31.5-0.5-1 | 1~18 | 0~31.5 | - | 0.5 | ±1dB typ. | 5.5 | 2 | - | 25 | 3~6 |
| QDA-1000-18000-63-1 | 1~18 | 0~63 | 6 | 1 | ±2dB typ. | 7.5 | 2 | 100 | 26 | 3~6 |
| QDA-1000-18000-127-0.5 | 1~18 | 0~127 | - | 0.5 | ±2.5dB typ. | 12.5 | 2.5 | 1us | 25 | 3~6 |
| QDA-1000-20000-63.5-0.5 | 1~20 | 0~63.5 | - | 0.5 | ±3dB typ. | 7 | 1.8 | - | 25 | 3~6 |
| QDA-1000-40000-31-1 | 1~40 | 0~31 | 5 | 1 | ±5% typ. | 8 | 2 | - | 27 | 3~6 |
| QDA-1000-40000-63.5-0.5 | 1~40 | 0~63.5 | - | 0.5 | ±2dB typ. | 11.5 | 2 | 200 | 25 | 3~6 |
| QDA-1000-50000-31.5-0.5 | 1~50 | 0~31.5 | 6 | 0.5 | ±2dB typ. | 11 | 2.5 | - | - | 3~6 |
| QDA-2000-4000-63.75-0.25 | 2~4 | 0~63.75 | 8 | 0.25 | ±1.5dB | 2 | 1.5 | - | - | 3~6 |
| QDA-2000-4000-31.5-0.5 | 2~4 | 0~31.5 | - | 0.5 | ±0.5dB typ. | 3.8 | 1.8 | - | 25 | 3~6 |
| QDA-2000-18000-15-1 | 2~18 | 0~15 | 4 | 1 | 4% | 7 | 2.2 | 500 | 20 | 3~6 |
| QDA-2000-18000-31.5-0.5 | 2~18 | 0~31.5 | - | 0.5 | ±1dB typ. | 5.5 | 2 | - | 25 | 3~6 |
| QDA-2000-18000-60-0.1 | 2~18 | 0~60 | - | 0.1 | 5% typ. | 6 | 2 | - | 20 | 3~6 |
| QDA-2000-18000-60-10 | 2~18 | 0~60 | 3 | 10 | 4% | 14 | 2.2 | 500 | 20 | 3~6 |
| QDA-2000-18000-63.75-0.25 | 2~18 | 0~63.75 | - | 0.25 | ±1.5dB typ. | 7.5 | 2 | - | 25 | 3~6 |
| QDA-2000-40000-31.5-0.5 | 2~40 | 0~31.5 | - | 10 | ±2dB typ. | 7 | 2 | 1000 | 25 | 3~6 |
| QDA-4000-8000-31.5-0.5 | 4~8 | 0~31.5 | - | 0.5 | ±0.8dB typ. | 4.2 | 1.8 | - | 25 | 3~6 |
| QDA-4000-8000-63.75-0.25 | 4~8 | 0~63.75 | 8 | 0.25 | ±2dB typ. | 2.5 | 1.8 | - | - | 3~6 |
| QDA-4000-32000-31.5-0.5 | 4~32 | 0~31.5 | - | 0.5 | ±2dB typ. | 5.5 | 2 | 1000 | 25 | 3~6 |
| QDA-4000-32000-63.5-0.5 | 4~32 | 0~63.5 | - | 0.5 | ±2dB typ. | 10 | 2 | 200 | 25 | 3~6 |
| QDA-6000-18000-31.5-0.5 | 6~18 | 0~31.5 | - | 0.5 | ±1dB typ. | 5.5 | 2 | - | 25 | 3~6 |
| QDA-7000-9000-32-0.25 | 7~9 | 0~32 | - | 0.25 | ±2dB | 5.5 | 2 | - | 24 | 3~6 |
| QDA-8000-12000-31-1 | 8~12 | 0~31 | 5 | 1 | ±2% | 3.5 | 1.5 | 100 | 27 | 3~6 |
| QDA-8000-12000-31.5-0.5 | 8~12 | 0~31.5 | - | 0.5 | ±0.8dB typ. | 4.7 | 2 | - | 25 | 3~6 |
| QDA-8000-12000-63.75-0.25 | 8~12 | 0~63.75 | 8 | 0.25 | ±2dB | 2.8 | 1.8 | - | - | 3~6 |
| QDA-8000-12000-110-10 | 8~12 | 0~110 | 4 | 10 | 3~5% typ. | 8 | 1.5 | - | 20 | 3~6 |
| QDA-8000-18000-63.75-0.25 | 8~18 | 0~63.75 | - | 0.25 | ±1.5dB typ. | 7.5 | 2 | - | 25 | 3~6 |
| QDA-8200-12400-61-1 | 8.2~12.4 | 0~61 | 6 | 1 | 4% | 7 | 2.2 | 500 | 30 | 3~6 |
| QDA-8500-9500-31.5-0.25 | 8.5~9.5 | 0~31.5 | - | 0.25 | 3~5% typ. | 5.5 | 2 | - | 30 | 3~6 |
| QDA-9000-10000-47.5-0.5 | 9~10 | 0~47.5 | 7 | 0.5 | 3% | 5.5 | 1.8 | 100 | 27 | 3~6 |
| QDA-12000-18000-63.75-0.25 | 12~18 | 0~63.75 | 8 | 0.25 | ±2.5dB | 3.7 | 2.5 | - | - | 3~6 |
| QDA-18000-40000-31.5-0.5 | 18~40 | 0~31.5 | 6 | 0.5 | 6% | 8 | 2.5 | 500 | 27 | 3~6 |
| QDA-18000-40000-50-0.05 | 18~40 | 0~50 | 10 | 0.05 | ±2dB | 9 | 2.5 | - | - | 3~6 |
| QDA-18000-50000-31.5-0.5 | 18~50 | 0~31.5 | 6 | 0.5 | ±2dB typ. | 11 | 2.5 | - | - | 3~6 |
| QDA-30000-40000-30-0.5 | 30~40 | 0~30 | - | 0.5 | 3~5% typ. | 5.5 | 1.5 | - | 25 | 3~6 |
| QDA-35000-40000-60-0.5 | 35~40 | 0~60 | 7 | 0.5 | - | 15 | 1.5 | - | 15 | 3~6 |