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Ham Radio Tube Transmitter
How to design a tube type radio transmitter. I think that helped keep the plate voltage quite steady and thereby the.
Design Of Ham Vacuum Tube Transmitters
Looking at tube characteristics we can pick a zero drive bias point based on limiting plate dissipation at 20 watts with 700 volts 20700 029 amps or 29 ma safe no drive current.
Ham radio tube transmitter. Browse the latest inventory of new used and vintage amateur radio transmitters and equipment available here at great prices. These pages contain links to schematic diagrams and descriptions of some simple transmitters which can be built with a minimum number of parts and if built with care will work very well. 6l6 transmitter here is my newest transmitter.
If your personal history includes building tube type gear somewhere in the 50s or 60s all you will likely need is a copy of the qst pdf download and a soldering iron. Heres one with 6n7 tube. 172 175 this crystal controlled transmitter for 80 40 20 15 and 10 meters uses a 12by7 and a 1625.
This is a simple qrp transmitter modeled after a schematic from and old arrl handbook. An inexpensive 75 watt transmitter the radio amateurs handbook 1964 pp. The power output is only about 5 watts.
133 139 this ham band 80 10 five tube 6ba6 6u8a two transistor receiver includes a 100 khz calibrator. The radio amateurs handbook 1964 pp. Transmitters ham radio transmitters for sale.
If you have worked mine which is set up for 4 watts out you know how nice it sounds and you may be tempted to build one. Im a new forum member and will try to post some more of my projects. Apparently this transmitter can be made with many different types of dual triode tube types.
The power supply is using a 5y3g tube. Maybe its the glow of the tubes or the heat they produce. 40m qrp transmitter using a 6cu6 tube.
I have those manuals going back to 1950 and the older projects are much more interesting to me. The exterior of the transmitter is little changed from 1963 in this recent photo. The transmitter had a very nice note with only a little bit of chirp.
You must have an fcc. I really joined this forum to learn about dx crystal radio receivers but i like tube gear too. It can go almost twice that by pulling out the 0d3 but the keying is not as good that way.
Weve assembled one of the largest selections of ham radio transmitters for sale in one place making it easy to find what youre looking for. It uses a 6l6 with a 6x5 rectifier and a 0d3 voltage regulator tube on the screen. The transmitter tube in the pictures is a 6l6g but it will also work with a 6v6.
A vacuum tube qrp transmitter. Amateur radio operators license of the proper class to use the transmitters on the air. Bill said he was using 16 9 v batteries connected in series for the plate supply.
If you came into. It is built on a 8 x 8 inch baking pan that i picked up at the grocery store for 200. Tube was applied in commercial ham transmitters in the early 1960s including the gonset g76 hammarlund hx 50 hallicrafters ht 40 and ht 44 and the early swan transceivers.
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