VHF POWER AMPLIFIER

VHF 2m power amplifier LDMOS 144-148 MHz 1000W KIT: 1. Power amplifier 144-148 MHz without transistor 2. Copper bracket for press transistor 3. ATT 10 dB 100W flang ANAREN 5. TX-RX unit (PTT board) 7. Protection unit 2xBTS: • Overload protection • Current limitation • Short circuit protection • Over temperature protection • Over voltage protection (including load dump) • Low ohmic inverse current operation • Diagnostic feedback with load current sense • Operating voltage 5 – 58 VDC • Operating current 38 – 44 A • On-state resistance 7.2 mΩ All modules are used in this power amplifier: $280

Input and output board for VHF power amplifier 1000W https://eb104.ru/internet-magazin/vhf-power-amplifier/vhf-power-amplifier/vhf-power-amplifier-144-148-mhz-1000w-output-50w-input-power The board consists of two parts and may accept different types of LDMOS transistors:BLF188XR.The board is double sided FR4 with 50 um copper layers.All components are installed except the LDMOS device . You must use your own.A temperature regulated bias circuit and a high power low loss wide band transmission line type transformer are provided.Size output part 70 x 60 mm Size input part 25x70 mm Voltage:50 - 55VImax : 30AIdq: depends of LDMOS used according to datasheet. $110

144-148 MHz VHF PTT (TX-RX) board Size 80x50x22(h) mm $22