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The AA8V 6AG7 Amplifier - Why Use A 6AG7?
https://www.frostburg.edu/personal/latta/ee/6ag7amp/6ag7tube/6ag76ag7tube.html
A final check in the RCA Receiving Tube manual shows that a 6AG7 operating as a class A amplifier is able to put out 3 watts of power. This is exactly what we are looking for! RCA's Conclusion Is The Same As Mine: It is truly dumb luck that the …
6AG7 Amplifier | diyAudio
https://www.diyaudio.com/community/threads/6ag7-amplifier.109725/
Topology and loadlines look good. There is one potential fly in the ointment: the 6AG7 is really a small signal type. This VT is intended to be used as a wide-band or RF amp that has a large g(m) for good gain with small Rp's. The 6AG7's r(p)= 130K is an order of magnitude greater than that of the typical audio final.
The AA8V 6AG7 Amplifier - Typical Operating Conditions
https://www.frostburg.edu/personal/latta/ee/6ag7amp/typicalop/6ag7typicalop.html
The 6AG7 amplifier is different from most RF power amplifiers in that it is aclass A linear amplifier. Most RF linear amplifiers are either class B or classAB. A class A amplifier will, for a given amount of drive, produce more outputthan any other class. Since I had a very limited amount of drive available frommy VFO, a class A amplifier was the way to go.
The AA8V 6AG7 Amplifier - Testing And Preliminary Work
https://www.frostburg.edu/personal/latta/ee/6ag7amp/testing/6ag7testing.html
The 6AG7 Amplifier - Testing and Preliminary Work; Top View: This is a top view of the 6AG7 transmitter after it has been modified and turned into an amplifier. Though the amplifier is fully functional at this point, it sure isn't pretty. The 625 pf loading capacitor is in the back on the left, and has been jury rigged into place.
The AA8V 6AG7 Amplifier - Construction Photos
https://www.frostburg.edu/personal/latta/ee/6ag7amp/construction/6ag7construction.html
Construction Photos of the 6AG7 Amplifier: Overall View Of The Parts Used In The Amplifier: After the amplifier was tested and debugged on the original pie pan chassis, it was totally disassembled into individual parts in preparation for reassembly on a new chassis. In this photo, the new chassis is in the back on the left and the power transformer is in the back on the right.
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