Digital attenuator
0.1~40GHz, Attenuation range1~62dB, step1dB, 0.3W, 2.4
- DDA8-0.01-50G-2875
- China
- One Year
- +86-19938031308
- sales@com-mw.com, cynthia@com-mw.com
- 3-1-2306, No.37 Jiancai Road, Chenghua Zone, Chengdu
- For qty details, please search in spot products of dianzibuy. Any changes to the contents are not notified. Please confirm again before ordering.
- No restrictions on export to any country
- RoHS compliant (Meet RoHS standards can be customized)
Product Details
Main specifications
| Parameters | Min | Typical | Max | Units |
| Frequency | 0.1 | ~ | 40 | GHz |
| Attenuation range | 1 | ~ | 62 | dB |
| IL | 25 | dB | ||
| VSWR | 2 | 2.4 | ||
| Attenuation accuracy root mean square | 3 | dB |
Other parameters
| step | 1dB |
| Power | 0.3W Design assurance |
| Impedance | 50Ω |
| Connector | 2.4-K detachable, Pin 0.3mm |
| Connector material | Stainless steel |
| Surface | Conductive oxidation |
| Working voltage | +12V |
| Working current | 100mA |
| Work Temp. | -40~+85℃ Design assurance |
| Other | J30J connector power supply and control |
Truth table (1: 3.3~5V；0: 0~0.8V)
| Attenuation | A6 | A5 | A4 | A3 | A2 | A1 |
| 1 | 1 | 1 | 1 | 1 | 1 | 0 |
| 2 | 1 | 1 | 1 | 1 | 0 | 1 |
| 4 | 1 | 1 | 1 | 0 | 1 | 1 |
| 8 | 1 | 1 | 0 | 1 | 1 | 1 |
| 16 | 1 | 0 | 1 | 1 | 1 | 1 |
| 31 | 1 | 0 | 0 | 0 | 0 | 0 |
| 62 | 0 | 0 | 0 | 0 | 0 | 0 |
Typical test data
| Frequency GHz | S11 VSWR | S12 IL (dB) | A1 dB | A2 dB | A4 dB | A8 dB | A16 dB | A31 dB | A62 dB |
| 0.01 | 2.27 | -6.56 | -1.22 | -2.17 | -3.95 | -7.91 | -16.1 | -31.1 | -61.9 |
| 3 | 1.7 | -6.79 | -1.19 | -2.13 | -3.98 | -7.89 | -16.1 | -31.1 | -61.7 |
| 9 | 1.14 | -8.55 | -1.14 | -2.03 | -4.05 | -8.04 | -16 | -31.5 | -62.6 |
| 18 | 1.5 | -12.9 | -0.81 | -1.89 | -4.05 | -8.29 | -16.1 | -30.9 | -61.1 |
| 24 | 1.5 | -14.3 | -0.97 | -1.86 | -4.01 | -8.25 | -16.1 | -30.9 | -63.3 |
| 27 | 1.83 | -15.0 | -0.88 | -1.79 | -3.76 | -8.11 | -15.9 | -30.9 | -63.4 |
| 39 | 1.5 | -20.4 | -0.92 | -2.04 | -3.87 | -8.12 | -15.7 | -29.8 | -59.6 |
| 42 | 2.13 | -28.5 | -0.85 | -2.53 | -4.27 | -7.85 | -15.3 | -28.2 | -54.7 |
Reference picture
Configuration(mm)
Typical test curve
J30J-9 Pin Definition
| Line sequence | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| definition | +12V | GND | A1 | A2 | A3 | A4 | A5 | A6 |
Note
1. Clean the surface of the product, do not soak the product in a cleaning solution; 2. This product belongs to electrostatic sensitive devices. Pay attention to anti-static measures during installation or storage; 3. If the overall temperature is greater than 125 ℃, please consult with us before placing an order.