A Home Construction project for the Radio Amateur. All quality parts supplied with a comprehensive construction manual on-line. This project includes a heavy duty finished case and all internal parts. Support web site and Yahoo Group.
This home construction project includes all circuit boards and parts. It is supplied with a finished case. The finished case is fabricated black powder coated and silk screened. The heat sink is drilled and tapped. Assembly consists of a class AB1 linear amplifier circuit board with two IRF510 MOSFETs attached to a heat sink, a RF activated Power Supply module is integral to the amp and boosts 12 to 29.5VDC at 5A maximum. The module is very low standby current of about 25mA and about 6A average on voice peaks. The amplifier will provide full output on as little as 8VDC input making it very tolerant to battery operation. The finished case adds value to your project.
The amp is very popular with the FT-817 transceiver and is set up to deliver full output power with 5W RF input. The amp is RF switched or PTT from the transceiver. This amplifier is fully filtered by a Low Pass Filter module, a manually selected low-pass filter covering 160 to 10M (including 60 meters). You are required to wind toroids and assemble the easy to build filter module. All low pass filter module caps are 5% 500V dip mica style capacitors.
The circuit boards are 4th generation, all double sided professional quality circuit boards with silk screen and solder mask. The parts are all first rate quality. You must be a licensed radio amateur to purchase this home construction project. Over 1000 of these amps have been supplied over the past 10 years. It takes about 10-12 hours to build this project. This project is available world wide. Read the reviews at eham.net for more information. This is a great back packing amp and works CW, SSB or PSK.
Options for a fabricated cable set and wound inductors is available to lower the skill level for the project. Consider the new Add-In Option to allow user selection of 1W, 2.5W or 5W full-scale input.
High power HF combiner OM10C The high power combiner OM10C is designed for all short wave amateur bands from 1.8 to 29.7 MHz and maximum 10kW PEP output power.
Specification of OM10C:
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