Keysight / Agilent 778D - Coaxial Dual Directional Coupler
The Keysight / Agilent 778D is an advanced Coaxial Dual Directional Coupler, expertly designed to facilitate precise swept measurements within a frequency range of 100 MHz to 2 GHz. This instrument stands out for its high directivity and exceptional mean coupling accuracy of ±0.5 dB, making it an ideal choice for a wide range of reflectometer applications. With tightly tracking auxiliary arms, the 778D is particularly well-suited for reflectometers that are driven by sweep oscillators.
Key Features and Specifications
- Dual-directional: Allows simultaneous measurement of incident and reflected signals.
- High directivity: Ensures accurate readings, minimizing interaction and improving measurement reliability.
- Excellent mean coupling accuracy: Achieves precision in your reflectometer applications.
- Frequency Range: Operates efficiently across 100 MHz to 2 GHz.
- Nominal Coupling and Variation: Maintains a coupling value of 20 ±1.5 dB.
- Directivity: Greater than 36 dB up to 1 GHz for enhanced measurement fidelity.
- Maximum SWR: Impressively low with a specification of 1.1.
- Insertion Loss: Power Rating Average of 50 W and Peak of 500 W, suited for high-performance applications.
