Digital attenuator
0.1~40GHz, Attenuation range0~63dB, step1dB, 0.5W, 2.92
- DDA8-0.01-40G-2859
- 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 | 0 | ~ | 63 | dB |
| IL | 13 | 16 | dB | |
| VSWR | 2 | 2.5 | ||
| Attenuation accuracy root mean square | 3 | dB |
Other parameters
| step | 1dB |
| Power | 0.5W Design assurance |
| Impedance | 50Ω |
| Connector | 2.92-K detachable, Pin 0.3mm |
| Surface | Nickel plating |
| Working voltage | +12V |
| Working current | 100mA |
| Work Temp. | -40~+70℃ Design assurance |
| Storage Temp. | -40~+120℃ Design assurance |
| Other | J30J-K 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 |
Typical test data
| Frequency(GHz) | S11 VSWR | S21 IL dB | A1 dB | A2 dB | A4 dB | A8 dB | A16 dB | A32 dB | A63 dB | S22 VSWR |
| 3 | 1.7 | -5.3 | -1.1 | -2.3 | -3.9 | -7.9 | -16.6 | -32.6 | -62.7 | 1.7 |
| 6 | 2 | -7.3 | -1 | -1.9 | -3.9 | -7.8 | -16.6 | -32.1 | -62.6 | 2 |
| 9 | 1.3 | -7 | -1 | -2.1 | -3.9 | -7.8 | -16.6 | -32.5 | -63.3 | 1.5 |
| 12 | 1.3 | -8.3 | -0.9 | -1.6 | -4 | -7.9 | -16.8 | -32.5 | -63.5 | 1.4 |
| 15 | 1.9 | -9.1 | -0.9 | -2 | -3.7 | -7.7 | -16 | -33.3 | -64.4 | 1.8 |
| 18 | 1.6 | -9.3 | -0.7 | -2.1 | -3.9 | -8.1 | -16.2 | -33.2 | -66 | 1.3 |
| 21 | 1.6 | -10.3 | -1 | -1.9 | -3.7 | -8 | -15.9 | -33.6 | -64 | 1.6 |
| 24 | 1.3 | -10.8 | -1 | -2.3 | -3.9 | -8.4 | -15.9 | -33.4 | -62.7 | 1.7 |
| 27 | 1.6 | -11.9 | -0.9 | -2.1 | -3.9 | -8.1 | -15.8 | -33.5 | -65 | 1.1 |
| 30 | 1.2 | -12 | -1.2 | -2 | -4 | -8.4 | -15.6 | -33.6 | -62.8 | 1.3 |
| 33 | 1.6 | -13.7 | -0.9 | -2.6 | -4 | -8.5 | -15.4 | -32.9 | -62.8 | 2.1 |
| 36 | 1.7 | -13.8 | -1.1 | -2.4 | -4.2 | -8.4 | -15.2 | -32.6 | -63.7 | 1.6 |
| 39 | 1.3 | -14.4 | -1.1 | -2.1 | -4.2 | -8.5 | -14.8 | -31.6 | -59.4 | 1.6 |
Reference picture
Configuration(mm)
J30J-9 Pin Definition
| 线序 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| definition | +12V | GND | A1 | A2 | A3 | A4 | A5 | A6 |
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.