Detail Information
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17.7 to 21.2 GHz Directional Coupler, 20 Watts Directional Coupler, 20dB Directional Coupler
Description
20 Watts LT-DC Series 20dB Directional Coupler Ideal for 17.7 to 21.2 GHz Frequency Range
Products Overview
The LT-DC20-177212S is a high-performance 20dB directional coupler operating in the 17.7 to 21.2 GHz frequency range, designed for precision RF applications.
Key Features
- 20dB directional coupling with ±0.5 dB accuracy
- Directivity > 14 dB for superior signal isolation
- Broad frequency range: 17.7 to 21.2 GHz
- Low VSWR < 1.4:1 for minimal signal reflection
- High power handling: 20 Watts (CW)
- SMA female connectors for reliable connectivity
- Compliance with CE, RoHS, and REACH standards
- Backed by 1-year warranty
Specifications
| Parameter | Specification | Conditions |
|---|---|---|
| Part Number | LT-DC20-177212S | |
| Frequency Range | 17.7 to 21.2 GHz | |
| Coupling | 20±0.5 dB | |
| Impedance | 50 Ohms | |
| Main Line VSWR | 1.4:1 Max. | |
| Coupling VSWR | 1.4:1 Max. | |
| Insertion Loss | 0.8 dB Max. | |
| Frequency Balance | 1.0 dB Max. | |
| Directivity | 14 dB Min. | |
| Input Power | 20 W | |
| Connectors | SMA Female | |
| Weight | 45 g | |
| Dimensions | 31.8×15.9×12.7 mm |
Note: Custom specifications available upon request. Please contact us for tailored solutions.
Mechanical Drawing

