12V LDMOS transistors boast excellent linearity

26th September 2019
Source: Ampleon
Posted By : Mick Elliott
12V LDMOS transistors boast excellent linearity

Ampleon has bolstered its land mobile radio portfolio with a line of 12V laterally diffused metal oxide semiconductor (LDMOS) transistors. This new 12V LDMOS platform is based upon the proven 9th generation of Ampleon’s LDMOS technology and will target commercial, public safety and defence mobile radio applications.

The 12V LDMOS portfolio will cover ceramic and plastic packages with a minimum longevity commitment of 15 years.

The first two products to be released are the BLP9LA25S and the BLP5LA55S. These devices are designed for 12V nominal mobile operation over the entire VHF and UHF frequency bands from 2 to 941MHz and deliver 25W and 55W respectively.

They combine ease-of-use and extreme ruggedness without sacrificing performance as they enable >18dB gain and >65% efficiency over the full operating frequency range.

This results in fewer stages, improved stability, simplified cooling and thus smaller systems.

Excellent linearity makes them ideal for tetra applications and their capability to handle extreme mismatch levels over 65:1 voltage standing wave ratio (VSWR) enables highly robust handheld radios that withstand harshest environments possible.

Furthermore, these broadband 12V devices are housed in compact over-moulded plastic (OMP) TO270 packages, ensuring smallest footprint and minimizing system costs.

Qualification samples of both the BLP5LA55S and the BLP9LA25S are available via Ampleon’s local sales channels with reference circuits available at different frequency bands.

Production for both variants is expected in the last quarter of 2019.

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