Planar Filter Technology for Millimeter Wave Applications

Posted by Peter Matthews on Aug 21, 2019 9:29:00 AM

The advent of fifth generation (5G) communications brings an increased interest in Millimeter Wave (mmWave) technologies. One of the biggest technology challenges engineers face with 5G is how to implement sufficiently high-performance RF filtering in mmWave applications. Given the frequencies involved a distributed element planar approach, such as using Microstrip or Stripline, is often ideal for constructing resonators and filters.

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Topics: Filter, mmWave, Microstrip

RF Filtering Techniques for Millimeter Wave Applications

Posted by Peter Matthews on Aug 6, 2019 3:59:00 PM

The millimeter wave (mmWave) part of the electromagnetic spectrum is at the high end of the microwave region, which spans ~300 MHz to 300 GHz, and is usually taken to mean frequencies from ~30 GHz to 300 GHz and wavelengths in the range of 1mm to 1cm (Table 1). This dramatically increases available bandwidth, thus expanding achievable data rates, which makes these frequencies extremely interesting to teams around the world working on fifth generation (5G) communications.

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Topics: Filter, 5G, mmWave, Microstrip

At mmWave Surface Mount Microstrip Filters are key to reducing cost.

Posted by Peter Matthews on Nov 15, 2018 10:06:30 AM

Frequencies in the mmWave spectrum play a key role in 5G communications. RF technology that was developed around existing mmWave applications has evolved to encompass the needs of 5G wireless access. Components for such systems need to be selected for performance and cost – commercial systems are subject to intense price pressure and so both the purchase cost and the implementation cost of a component become important factors in selecting devices for a new design. Another key consideration can be size constraints and the need to preserve valuable board space.

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Topics: Filter, mmWave, Microstrip

Microstrip Filters deliver small size at high frequencies

Posted by Peter Matthews on Nov 7, 2018 4:47:46 PM

When selecting a filter implementation one factor that is common across all frequencies is optimizing the size of the filter given the application and the required performance.

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Topics: Filter, Bandpass, mmWave, Microstrip

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