Technical Articles:
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Newest Project:
Remote LNA Controller (for handling mast-mounted LNAs) last update: 1-15-2008
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Solid-State 23cm Amplifiers For those of you participating in this 23cm amplifier project, here is the link to the project construction tips and tools page. |
| RA18H1213G Module data sheet |
| Test Data after Enhancement |
| Initial development notes: Couplers for combining amplifier modules, made with FR4 and R4350B laminates |
| Suggested general layout for a 2-module amplifier and 4-module amplifier |
| 2-28-2006 - Revised module board (v3) schematic. |
| 3-2-2006 - module PC board, (v3), test load with SMT components |
| 2-28-2006 - FR4 coupler measurements after manufacture by a PC shop |
| 2-28-2006 - Input coupler for use with10w radios |
| 3-9-2006 - Some steps in the making of the output couplers |
| 3-12-2006 - BOM (bill of materials) for the pc boards for this project |
| A completed turn-key 60w amplifier |
| 11-18-2006 Steve Miller's (W6QIW) completed 2-module amplifier |