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Description |
Work the world on a watt with this QRP rig!
These nifty little CW transmitters are practical and economical take along rigs for trips, camping, backyard, teaching or just amazing yourself with just what a watt will do! With exceptional manual of over 20 pages, the detailed step-by-step instructions guide you to a perfectly operating transmitter.
The rigs use a standard crystal that is connected into a VCXO circuit - which means that you can tune around the crystals frequency by up to 20 KHz - thus giving you stable crystal control while still being able to tune around! A front panel switch lets you choose between two crystals, we include one, you can add another oy your choice. A built-in-T-R switch allows break-in operation. Of course, these transmitters interface with our QRP Mini-rig receivers and our CMOS CW keyer! And for the real Ham, there's plenty of room inside the custom case for your own circuit modifications and experiments.
These little rigs are often the heart of many QRP operator's stations. Modify "till-the-cows-come-home", or just use 'em as they are - these little rigs pack a lot of performance into an economical package. Runs on 12 VDC at 200 mA.
Features:
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Four transistor circuit, oscillator, RF amplifier chain and clean keying stage.
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RF output of approximately one watt Pi-network output for good matching and harmonic suppression
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Provision for two internal crystals (one crystal provided) front panal switching VCXO tuning, frequency can be tuned approximately 7 KHz around XTAL frequency
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Operates on 12 vots DC drawing about 400-500 mA. 7.040 MHz XTAL included
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Includes our custom case & knob set for a great looking finished transmitter.
Click photo to enlarge.
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Order No. QRP40C
Take advantage of the RED HOT band conditions!!
We recommend the Ramsey AC125 Power Supply for this kit.
http://j-tron.com/product/AC125_Power_Supply.html |
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