A high-performance and ultra-reliable 600W VHF Pallet Amplifier, specifically engineered for the 144–146 MHz broadcast band.

Featuring an outstanding efficiency rating of 87% this board is the perfect choice for building or upgrading VHF transmitter systems with minimal power consumption and maximum output.

It is fully compatible with popular MRF300 and HT20340S RF transistors, providing great flexibility for assembly and maintenance.

Technical Specifications

• Frequency Range (FREQ): 144 – 146 MHz 

• Output Power (OUTPUT POWER): 600W

• Input Power (INPUT POWER): 3.0W 

• Power Gain (POWER GAIN): 23dB typ

• Drain Voltage (DRAIN VOLTAGE): 48 VDC

• Efficiency (EFFICIENCY): 87.0% (Excellent heat management and power savings)

• Impedance (INPUT/OUTPUT): 50 ohm

• Compatible Transistors: MRF300 and HT20340S

Key Features

Top-Tier Energy Efficiency: With an 87% efficiency rating, this pallet minimizes heat dissipation, reducing cooling requirements and ensuring long-term operational stability.

High Power Gain: Requiring only 3W of drive power to achieve a full 600W output, it eliminates the need for large or expensive intermediate driving stages (exciters).

Premium Build: Constructed with high-quality components, making it ideal for professional RF broadcasting applications.