1–20 GHz 10 dB Directional Coupler | CP10120A-10-MBT
The CP10120A-10-MBT is a 1–20 GHz directional coupler with 10 dB nominal coupling for wideband RF signal sampling, forward power monitoring, amplifier testing, and microwave measurement applications.

Key Features
- Broadband operation from 1 GHz to 20 GHz
- 10 dB nominal coupling
- Handles up to 20 W average input power
- Low insertion loss
- Excellent impedance matching
- Precision SMA female connectors
- Standard directional coupler design
- Operates in 50 Ω RF systems
- RoHS compliant
- Ideal for RF laboratories, production testing, communications, aerospace, defense, and microwave systems.
Specifications
| Specification | Value |
|---|---|
| Model | CP10120A-10 |
| Product Type | RF Directional Coupler |
| Frequency Range | 1 GHz–20 GHz |
| Nominal Coupling | 10 dB |
| Coupling Range | 9–11 dB |
| Coupling Flatness | ±0.6 dB Typical, ±1.0 dB Max |
| Directivity | 20 dB Typical, 15 dB Minimum |
| Average Power | 20 W |
| Insertion Loss | 1.6 dB Typical, 2.1 dB Maximum |
| Main Line VSWR | 1.15:1 Typical (1–8 GHz), 1.25:1 Typical (8–20 GHz) |
| Coupled Line VSWR | 1.15:1 Typical (1–8 GHz), 1.30:1 Typical (8–20 GHz) |
| Impedance | 50 Ω |
| Connectors | SMA Female |
| Compliance | RoHS |