HF Broadband Linear Amp WA2EBY
WA2EBY Linear Amp 40 Watts*
The article and new files can be downloaded from our website download section.
Details of Board
- Double side PTH through hole
- SMA connectors on input and output
- PCB size 143mmx 62mm
- Amp power output 40 Watts
- Operates from 3.5MHZ to 28MHZ
- Includes Low Pass Filter Kit prebuild
- Suitable Heatsink
- Aluminum Enclosure
Available on backorder
WA2EBY Linear Amp 40 Watts BUILD KIT
The Kit is working And Tested.
The Build kit is now 7 Bands Including the 80MT BAND
A Broadband HF Amplifier Using Low-Cost
THE HF AMPLIFER HAS THE FOLLOWING STAGES
LOW PASS FILTER PRESOLDERED CAPACITORS.
1.Low Pass Filter Board complete with low pass filters ,
2.For 7 bands 80MT- 40Mt – 30MT- 20-17MT – 15MT -10MT
3.HF Amplifier with IRF 510 In Push Pull
4.Kit Fully Installed In an Aluminum Enclosure
5.Power Input 24 Volts DC to 28 Volts
6.RF Power Output 35 to 40 Watts on 40Mt . 20 to 15 Watts on 10Mt Band.
INKITS WA2EBY HF AMP VER 1
KIT 40 WATTS PARTS LIST:
- Low Pass Filter Board Semi Build
- HF Linear Board Semi Build
- T1 FT-50-43 core Green Core Equivalent x 1
- T2 FT-50-43 cores Green Core Equivalent x 2
- T3 BN-43-3312 binocular core. Equivalent stacked core 6 no’s Green core x 1
- Relay 12V DPDT x 6
- Copper Wire #22
- Copper Wire #24
- Teflon Wire #20
- Toroid T50-2 4 no’s Red Toroid
- Toroid T50-6 4 no’s Yellow Toroid’s
- IRF 510 x 2 with fittings
- 10 k presets x 2
- SMA cables And Connectors
- Relay mate wire 2 pins x 1
- Relay mate wire 5 pins x 1
- Nuts And Screws
- Heat Sink 6 inch x 1
- Rotary Switch 2 Pole 7 way x 1
- Fuse holder x 1 with 3 amp fuse
- Dc Power Cable x 1
- Led X 4
- Led Holder x 4
- Knob For Rotary Switch x 1
- Stand Offs for Enclosure x 4
- Heat Sink for IRF 7805
- 7805 regulator x 1
- DC socket x 1
- On/ OFF Switch x 1
- S0239 x 2
- DC 2 PIN Connector for PA Volage x 1
- Enclosure x 1
The WA2EBY kit supplied by us has the low pass filter build with components mounted.
Some components like the 7805 Regulator and Toroid’s need to be wound and mounted as per the original manual available on our website download page.
Manuals & Documentations – Amateur Radio Kits
The Linear Amp PCB is also mostly done only the toroids and few parts enclosed like the 10K trimmer and IRF 510 Mosfets need to be mounted.
We have provided some equivalent Green cores which work very good as build by us and being used by many amateurs from India.
However you could use the original T50-2 and Balun instead of the Green cores provided with the Kit.
The original Amidon Toroid’s could be used or purchase from
We are providing a drawing of the placement of the boards and wiring with this document.
This kit does not have filter for the 80mt or 160mt band.
The band available on Low Pass filter is
- 40Mt Band
- 30Mt Band
- 20-17Mt Band
- 15-10Mt Band.
- 80MT Band
The 20-17mt band and 15-10 MT band have a common filter.
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