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PTRA083818NF V1

PTRA083818NF-V1

High Power RF LDMOS FET 275 W; 48 V; 733 – 805 MHz

The PTRA083818NF is a 275-watt LDMOS FET intended for use in multi-standard cellular power amplifier applications in the 733 to 805 MHz frequency band. Features include input matching; high gain and thermally-enhanced package with earless flanges. 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
Gain
Efficiency
Operating Voltage
Package Type
PTRA083818NF-V1
Yes
LDMOS
0.5 GHz
1 GHz
275 W
18 dB
56%
48 V
Surface Mount
Features
  • Broadband internal input matching
  • Asymmetrical Doherty design: Main P1dB = 165 W Typ; Peak P1dB = 250 W Typ
  • Typical Pulsed CW performance; 805 MHz; 48 V; combined outputs: Output power at P1dB = 275 W; Efficiency = 59.6%; Gain = 18.6 dB
  • Capable of handling 10:1 VSWR @ 48 V; 81.3 W CW output power
  • Integrated ESD protection
  • Low thermal resistance
  • Pb-free and RoHS compliant
Applications
  • 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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