The 6L6 is designed for audio use. Simple they may be; but they are fully capable of communicating over I have designed a new transmitter for 80 meter CW. The circuit shown here is a variation After reading through some articles in old magazines that had belonged to my grandfather, as well as searching the Internet, I decided to build my CW transmitter around a 6L6 tube. Here is my new 6L6 AM and CW station. Two years ago I saw Gary's WD4NKA webs site showing a schematic of a MOPA Transmitter, the 6AG7 / 6L6. The oscillator consists of a modern SI5351 and output stage consists of a 6146 tube amplifier. It uses a This winter, I decided to finally do something about that goal. Operated by VFO or Crystal controlled. It is not a true pentode; it is a beam power tetrode, with special 6L6 TRANSMITTER Here is my newest transmitter. The result is a 40 and 80 meter 20 watt high level plate modulated AM transmitter. Xtal oscillator - 6AG7. 6L6 transmitter, bottom view. Power amplifier - 6L6. With the availability of New Old Stock (NOS), it is quite practical for hams to These pages cover simple vacuum tube Transmitters that graced many shacks during the 1930-1960's. Many amateur radio operators used the 6L6 in class C service for transmitters over the years Two Tube Transmitter ~ Salient Features: 6AG7 Oscillator, 6L6 Final Amp Regulated Screen Violtage on the 6AG7 and 6L6 Band Pass Coupler between the Osc and Amp stage (Plug In) This one-tube transmitter is made with a 6L6 pentode. I suggest you read the following text carefully I just ran across this thread and the 1945 HB has a breadboard 6L6 as the first project in Transmitter Construction. The chassis, front panel, and cabinet Two Tube Transmitter ~ Salient Features: 6AG7 Oscillator, 6L6 Final Amp Regulated Screen Violtage on the 6AG7 and 6L6 Band Pass Coupler between the Osc and Amp stage (Plug In) The picture above is a homebrew 6AG7/6L6 tube (Glowbug) CW transmitter. Tube transmitters can survive working into badly mismatched antenna loads Built on either a narrow slat wood frame or on a narrow aluminum chassis, the built-in power supply and in-line tube arrangement presented a rather At the very bottom of the page, you will find the schematic and parts list for the 807 CW transmitter. The 6L6 is a pentode that, according to Wikipedia, was introduced by the Radio I have designed a new transmitter. The Heathkit AT-1 represents the commercial embodiment of the simple Master Oscillator Power Amplifier (MOPA) transmitter using a crystal . The 1941 has an almost identical one on a metal chassis. Power output is 8 Watts. I use a A typical power oscillator (PO) minimalist single tube transmitter of reasonably good compromise between complexity, cleanliness, Many hams fondly remember their first homebrew transmitter--it is hard to forget the warm glow of a vacuum tube. 40 Meter Tube - CW transmitter. This little winner uses a 6AG7 crystal oscillator to drive a 6L6 final on 40 meter CW. The power Two tube CW transmitter. The oscillator consists of a modern SI5351 and output stage consists of a tube The design of a one-tube (or one transistor) transmitter is a compromise involving power output, keying, and the effect of antenna coupling on The Inspiration While searching on the Internet, I came across an article from "The Heart of Texas DX Society" about building a simple one tube transmitter using a common 6L6 In total, I spent about 2 months on this build. It uses a 6L6 with a 6X5 rectifier and a 0D3 voltage regulator tube on the screen. While searching on the Internet, I came across an article from "The Heart of Texas DX Society" about building a simple one tube It is not a true pentode; it is a beam power tetrode, with special beam forming elements. e-mail address: [email protected] This is information you will not find concisely and authoritatively anywhere else on the net. After reading through some articles in old magazines that had belonged to my grandfather, as well as searching the Internet, I However, tube projects are fun, educational and they glow nicely.
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