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To make navigation a little easier, I re-arranged this page so the major products are grouped into sections. Most of these sections also list accessories commonly used with those major items.
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New Item: 600w+ rf deck for 900 MHz (33cm)
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A 600 watt+ 33cm LDMOS amplifier (900 MHz band) |
The Ultimate Amplifier Control Board
This photo is version 6.3 (current version 6.5 is the same functionally), designed for the highest powered amplifiers and mast-mounted LNA's, with the following functions and features:
The temperature sensor, optional voltage reducer and indicator LEDs are supplied; the user must supply the vswr detector and the fan if those functions are to be used. 12v and 28v models can switch up to 35 amps, 50v or 65v models more than 45 amps
Dual Microwave RF detector (38mm by 50mm)
The current version changes R22 to a trimmer resistor, allowing the input sensitivity to be adjustable from less than 500mv to more than 15v. |
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A 600 watt 23cm LDMOS amplifier (1296MHz band)Please read the kit assembly instructions before deciding to purchase the kit instead of the assembled/tested RF deck |
Here is a video showing how to flow-solder your LDMOS to the spreader. |
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The Ultimate Amplifier Control Board
This photo is version 6.3 (current version 6.5 is the same functionally), designed for the highest powered amplifiers and mast-mounted LNA's, with the following functions and features:
The temperature sensor, optional voltage reducer and indicator LEDs are supplied; the user must supply the vswr detector and the fan if those functions are to be used.
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12v and 28v models can switch up to 35 amps, 50v or 65v models more than 45 amps
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The current version changes R22 to a trimmer resistor, allowing the input sensitivity to be adjustable from less than 500mv to more than 15v.
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Dual Microwave RF detector (38mm by 50mm)
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23cm High-Power Coupler (Ro4003C)
This coupler is for those of us combining the outputs of larger amplifiers, even the bigger XRF-286, 2C39, or GS-15B high-power amplifiers. Made from thick (.060) Rogers R04003 low-loss substrate, it will handle more than 500W at the output. Requires a termination for the isolated port (like the 150w termination offered below). This link demonstrates a layout for combining 4 amplifiers (the layout method is the same as the 13cm couplers shown) |
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Anaren
or ATC 150w Termination (DC - 2.5 GHz),
$18
1.8 to 54 MHz (160 through 6 meters) |
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This RF deck began shipping in December 2016; it was developed on .078 thick FR4, and incorporates all the changes made to the original one done on TC350 (see the new kit assembly instructions here) The original assembly guide for this product is here Here is the original video showing how to flow-solder your LDMOS to the spreader |
Additional items useful for building a complete amplifier system are listed in this column1.5 KW Low Pass Filter Board for 1.8 to 54 MHz Generation 2 filter (a description for this version is here); This version is rated for 2kw+
The assembly instructions and Bill of Materials for the generation 2 kit is here1.8-54 MHz Dual Directional Detector
This is 3rd revision with the following enhancements:
The assembly guide for this product is here ALC Detector (26mm by 38mm)
Used at the input of an amplifier to provide an Automatic Level Control signal back to the driving radio. The adjustment trimmer can also be mounted to the back side of the PCB for panel mounting (with access hole for adjustment).
12v and 28v models can switch up to 35 amps, 50v or 65v models more than 45 amps
The Ultimate Amplifier Control Board
This photo is version 6.3 (current version 6.5 is the same functionally), designed for the highest powered amplifiers and mast-mounted LNA's, with the following functions and features:
The temperature sensor, optional voltage reducer and indicator LEDs are supplied; the user must supply the vswr detector and the fan if those functions are to be used.
The current version changes R22 to a trimmer resistor, allowing the input sensitivity to be adjustable from less than 500mv to more than 15v.
DC through UHF input Relay board (please see the technical article here)
.094 FR4, DC through 222MHz, up to 1.5kw through 2m, 1kw through 222MHz
(for combining amplifiers)
1.8 to 54 MHz 2kw coupler, assembled $76.00 
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6 meters (50-54 MHz) |
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Additional items useful for making a complete amplifier system for the 6m RF deck are listed in the 2 meter section (next). |
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2 meters (144-148 MHz) |
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2 Meter Kilowatt RF Deck, Complete
Fully assembled and tested RF deck mounted on a 3" x 5" x 1/2" copper heat spreader, ready to bolt down to your heat sink. This is the newest RF deck design using coaxial matching capacitors in the critical spots, with DC power feeds directly to the drain connections on the LDMOS device; and the adjustable bias circuit is regulated and temperature compensated. 1kw output minimum, typical output at saturation is 1100 to 1200w. Requires aprox. 2w drive for 1kw out, 50v @ 30a VDD, 12v @ 30ma for bias. Here is a video showing how to flow-solder your LDMOS to the spreader. |
Additional items useful for building complete amplifier systems are listed in this column VHF/UHF Low Pass Filter and Dual Directional Detector board (for use with kilowatt 50, 70, 144, 222 or 432 MHz amplifiers) The technical article is here: This is a useful reference for assembling the kit versions. Note: The default configuration for
assembled/tested boards is for the detector diodes to be mounted to produce
negative output signals. If you will be ordering the assembled/tested version of
this product and prefer the output signals to be positive, be certain to send me
an email when you place your order indicating that preference (contact info at
the top of this page). Please read the
end of
the technical article for additional info.
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