Longwave 50

2200M and 630M 50W Amplifier
$14.50
Qty:
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
Total cost to complete build is around $230.00 depending on options selected.

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

The options are based off the PCB set below:
Amplifier PCB
LPF PCB
Shield PCB
End panel PCBs
Front and back enclosure bezel with recess for heat sink

The basic kit will come with the following additional items:
Heat sink with hardware
Toroids for LPF
Coax jumpers
Coax and wire for transformers/toroids
End panels screw set


Options:

Drill and tap Heat sink
Install SMD parts, cost of parts included
Assemble transformers

Kits and assembly options could take up to 5 business days to fill order
  • Availability: 4 In Stock

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