New planar high-density passive device technology

14 July 2004 Passive Components News & Events Transport (Industry)

Murata has introduced the planar high-density passive device (PHPD) - an innovative technology that it says is ideal for low-height components. PHPD technology, which is realised by thin film printing on high Q ceramics, is applicable for many components including filters, diplexers, baluns, couplers, impedance transformers, phase transformers, power combiners and dividers, directional power monitors, and mode transformers.

Microchip filters are the first such components realised from PHPD, and benefit from this miniaturisation and low loss component technology, making them the lowest height component in the world, according to Murata. They measure 1,2 x 0,8 x 0,4 mm.

PHPD technology is ideal for makers of power amplifiers and other modules where low-height components are desired. Pricing is dependent on the number of poles and the required performance. PHPD products are currently under development.

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