Digital attenuator
0.2~18GHz, Attenuation range0~63dB, step1dB, 0.3W, SMA
- DDA8-0.01-18G-2858
- 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 | 0.2 | ~ | 18 | GHz |
| Attenuation range | 0 | ~ | 63 | dB |
| IL | 8 | dB | ||
| VSWR | 2 | |||
| Attenuation accuracy root mean square | 3 | dB |
Other parameters
| step | 1dB |
| Power | 0.3W Design assurance |
| Impedance | 50Ω |
| Connector | SMA-K detachable, Pin 0.38mm |
| Surface | Nickel plating |
| Working voltage | +12V |
| Working current | 150mA |
| Work Temp. | -40~+70℃ Design assurance |
| Storage Temp. | -40~+120℃ Design assurance |
| Other | J30J connector power supply and control |
Truth table (1：3.3~5V；0: 0V)
| 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 |
| 63 | 0 | 0 | 0 | 0 | 0 | 0 |
Reference picture
Configuration(mm)
J30J-9 Pin Definition
| Line sequence | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| definition | +12V | GND | A1 | A2 | A3 | A4 | A5 | A6 |
典型测
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.