VHF Linear Amplifier 500W Board V2.0 (2m Band, 143–148 MHz)
 
High-efficiency linear amplifier board for the VHF 2m band.
LDMOS MRF300AN & MRF300BN devices included.
Suitable for all modes including CW, SSB, FT8, RTTY, EME, FM, etc.
 
Main Features
RF Input Power: 0–8 W max
RF Output Power: up to 600 W max
5 W input produces ~500 W output at 53 V
Supply Voltage: 48–54 V DC
Current: ~13 A
Efficiency: up to 80%
Class AB push-pull design
High-power, low-loss wideband TLT transformer for optimal efficiency
Temperature-regulated bias circuit
 
Board Dimensions
Main board: 130 × 100 mm