LF/MF Amplifiers

This is a basic kit with PCB's and Heat sink.  The buyer will source all the parts necessary to build the kit.

The Longwave 50 is a 50W LF/MF amplifier that runs off a 13.8VDC power supply.  It uses a pair of IRFZ24N finals in a push pull configuration and draws about 10A.  Covers 2200M and 630M.  Requires 1W input.

You will need to order the rest of the parts.  For your convenience digikey shopping cart links are provided here.  https://multussdr.groups.io/g/main/files/Longwave%2050%20Amplifier/BOM


Build instructions, Bill of materials and schematics are location on forum.
https://multussdr.groups.io/g/main/files/Longwave%2050%20Amplifier/Instructions

This is a basic kit with PCB's and Heat sink:
Amplifier PCB
LPF PCB
Shield PCB
End panel PCBs
Front and back enclosure bezels
Heat sink drilled and tapped with hardware
End Panel Screw set



Kits and assembly options could take up to 5 business days to fill order

Full kit includes everything needed to build the Longwave 50 Amplifier

The Longwave 50 is a 50W LF/MF amplifier that runs off a 13.8VDC power supply.  It uses a pair of IRFZ24N finals in a push pull configuration and draws about 10A.  Covers 2200M and 630M.  Requires 1W input.

Options: 

Install SMD parts
Full kit assembled and tested


Build instructions, Bill of materials and schematics are location on forum.
https://multussdr.groups.io/g/main/files/Longwave%2050%20Amplifier/Instructions



Kits and assembly options could take up to 5 business days to fill order