D17W+

The Mini-Circuits D17W+ is a MMIC Directional Coupler operating across a wide frequency range of 700 to 3500 MHz. This surface mount component is designed for applications requiring robust performance, featuring excellent power handling capabilities up to 4W. Its compact size, measuring 3.1 x 3.0 x 1.6 mm, makes it suitable for space-constrained designs.

The D17W+ provides a coupling factor typically between 16-26 dB and exhibits good directivity of 14 dB. It also boasts low insertion loss, ranging from 0.2 to 0.6 dB, which is crucial for minimizing signal degradation when sampling power amplifier outputs. The component is manufactured using Silicon IPD technology, ensuring a high level of ESD protection and reliability.

Designed for versatility, the wide bandwidth allows for its use in multiple narrowband applications, reducing component count. The integrated 50 Ohm termination on the isolated port simplifies circuit design. With an operating temperature range of -40 to 105°C, it can be reliably used in environments near power amplifiers without significant performance changes.

This directional coupler is housed in a SOT-23-6 package and is suitable for surface mounting. Its design considerations include excellent power handling for sampling transmitter output power and good directivity to minimize reverse power coupling.