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Broadcast Concepts 600W BLF574

388.00

FM Pallet Amplifier

The BLF574 is the latest high performance technology from NXP. These new 50 volt LDMOS transistors are ideal for that 1KW amplifier project.

SKU: 600W FM Power Amplifier Category:
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Description

FM wideband amplifier, with microstrip technology and BLF574 RF mosfet.
BLF574 was introduced recently and makes this amplifier possible with a single transistor. This eliminates the need for combiners and associated losses.
The BLF574 is the latest high performance technology from NXP. These new 50 volt LDMOS transistors are ideal for that 1KW amplifier project. This pallet is intended for experienced transmitter builders only. An excellent heat-sink with strong technical background in RF amplifiers is required. Model TRU LPF 1500W is the only suitable low pass filter for this product. Using any other filter may result in lower power output and voids all warranties. System integrators who plan to provide their own low pass filter must forsee using a harmonic absorbing typology.

Additional information

Weight 2 kg
Product can be split into multiple boxes

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specification

Operating Frequency Range                
87.5 – 108MHz

Fundamental output Power     
600W

Power Input
2.0W

Input VSWR
Typ 1.5, (1.8 Max ) VSWR

Power Gain (600W output)
24dB, (25dB Typical)

Collector Efficiency
72% (75% Typical)

Collector Current (600W Output)
17A DC

Insertion Phase Variation (unit to unit)
+/-3.5 Degrees

Power Gain (unit to unit)
+/-1dB

F2 Second Harmonic
-35dB

F3 Third Harmonic
-18dB

Transistor Bias Current 
Factory set to 100ma. Adjustment not required

features

600W RF Output Minimum
25dB gain (600W)
High Power Density
Operates from 43-50V supply. 
Temperature compensated bias
NXP BLF574 LDMOS Transistor. 
Input power 3.0 watts Typical.
Thermal tracking bias

  • New design with 75% minimum efficency and low harmonics.
  • 43-50 Volts @ 15 – 16.5ADC
  • 87.5-108MHz
  • BLF574 50volt LDMOS Technology.
  • Input/Output 50 ohms
  • Pout 600W min. 2 watt input
  • P1dB greater than 650W
  • 25 dB gain minimum.
  • Class B push-pull.
  • Temperature compensated bias.
  • Compact size; LxWxH 4.0 x 2.25 x 1.5 inches
  • Standard 1/4 inch copper base

Brand

Broadcast Concepts

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COMPONENTS FM Pallet Amplifiers Broadcast Concepts 600W BLF574