Digital attenuator
1~12750MHz, Attenuation range0.125~7.8dB, step0.125dB, 0.1W, SMA
- DDA8-1-12750-790
- 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
Product features
Broadband, high-accuracy.
Main specifications
| Parameters | Min | Typical | Max | Units |
| Frequency | 1 | ~ | 12750 | MHz |
| Attenuation range | 0.125 | ~ | 7.8 | dB |
| IL | 3.5 | dB | ||
| VSWR | 1.4 | 1.6 | ||
| 0.125dB Accuracy | 0.08 | 0.1 | 0.125 | dB |
| 0.25dB Accuracy | 0.2 | 0.25 | 0.3 | dB |
| 0.5dB Accuracy | 0.4 | 0.5 | 0.6 | dB |
| 1dB Accuracy | 0.8 | 1 | 1.1 | dB |
| 2dB Accuracy | 1.8 | 2 | 2.2 | dB |
| 4dB Accuracy | 3.6 | 4 | 4.4 | dB |
Other parameters
| step | 0.125dB |
| Power | 0.1W |
| Impedance | 50Ω |
| Connector | SMA-K detachable, Pin 0.38mm |
| Connector material | Stainless steel |
| Surface | Gold-plating |
| Working voltage | -5V |
| Working current | 20mA |
| Work Temp. | -40~+85℃ Design assurance |
Truth table
| 1A | 2A | 3A | 4A | 5A | 6A | Attenuation dB |
| 0 | 1 | 1 | 1 | 1 | 1 | 0 |
| 1 | 1 | 1 | 1 | 1 | 1 | 0.1 |
| 0 | 0 | 1 | 1 | 1 | 1 | 0.25 |
| 0 | 1 | 0 | 1 | 1 | 1 | 0.5 |
| 0 | 1 | 1 | 0 | 1 | 1 | 1 |
| 0 | 1 | 1 | 1 | 0 | 1 | 2 |
| 0 | 1 | 1 | 1 | 1 | 0 | 4 |
Reference picture
Configuration(mm)
Typical test curve
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.