PTRA094858NF V1


High Power RF LDMOS FET; 400 W; 48 V; 859 – 960 MHz
NOTE: Not recommended for new designs.

The PTRA094858NF is a 400-watt Doherty LDMOS transistor intended for use in multi-standard cellular power amplifier applications in the 859 to 960 MHz frequency band. Features include input and output matching; high gain and thermally-enhanced package with earless flange. Manufactured with Wolfspeed’s advanced LDMOS process; this device provides excellent thermal performance and superior reliability.

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Frequency Min
Frequency Max
P3dB Output Power
Operating Voltage
Package Type
0.859 GHz
0.96 GHz
500 W
17 dB
48 V
  • Broadband internal input and output matching
  • Asymmetrical Doherty design
    • Main : P1dB = 150 W Typ
    • Peak : P1dB = 250 W Typ
  • Typical pulsed CW performance; 895 MHz; 48 V; Doherty configuration; 10 μsec pulse width; 10% duty cycle; class AB
    • Output power at P1dB = 400 W
    • Output power at P3dB = 500 W
    • Efficiency = 63%
    • Gain = 18.5 dB
  • Integrated ESD protection

Multi-standard cellular power amplifiers

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Radar / Avionics

Improving Pulse Fidelity in RF Power Amplifiers

A radar system designer’s most coveted objectives are achieving a long range, adequate resolution to distinguish objects in close proximity to each other, and the ability to not only determine target velocities but target types in order to help differentiate friendlies from adversaries.A combination of both approaches is essential, and engineers can design for peak power points of the load-pull simulation while also paying attention to other parts of the circuit for baseband signal fidelity.
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