why tubes?
-there is nothing more beautiful than a sinewave generated by tubes.
actually i am going to build this one:
Enter Code to Begin Download
a clone of Heathkit AO-1
Now i just have to dig out a 6SN7 and a 6X5 rectifier from the junkbox
-there is nothing more beautiful than a sinewave generated by tubes.
actually i am going to build this one:
Enter Code to Begin Download
a clone of Heathkit AO-1
Now i just have to dig out a 6SN7 and a 6X5 rectifier from the junkbox
Have you thought about this?
Soundcard Scope
If you are after a quick test! Sine Square Triangle etc Sweep
Regards
M. Gregg
Soundcard Scope
If you are after a quick test! Sine Square Triangle etc Sweep
Regards
M. Gregg
True RTA is pretty cool, use it all the time. I used the schematic of one of the Velleman signal generator kits and made one. Has Sine, triangle and square waves at 1khz. Really simple to make i just cant remember what sight it was i got the schematic. but it was a pdf of the kit instructions so im sure you can find it online.
Why not refer to schematics of Hewlett-Packard 200A and its successors ? Here is the manual for you, it includes the schematic. Pure tubey retro goodness
Thanks, it is in fact a very nice project to build. To start i only have the 6V6 tube and the rectifier ,resistors and caps. not bad !Why not refer to schematics of Hewlett-Packard 200A and its successors ? Here is the manual for you, it includes the schematic. Pure tubey retro goodness
Silvino
Maybe someone out there has one to sell?Thanks, it is in fact a very nice project to build. To start i only have the 6V6 tube and the rectifier ,resistors and caps. not bad !
Silvino
Could be even a different one! Heathkit?
Silvino
In fact i had a cd with samples of sine waves recorded,with 20hz 100hz 1000hz and 10khz but i lost it . i want it to make some tests in my tube amp. put the signal in input and use a dual trace scope to see the signal in output and phase splitter,etc. but i wouldnt mind to have a nice tube audio tube generator,for fucture projects.How did we get from a download to a DIY thermionic contraption
For low distortion you won't beat a CD player/buffer and test CD. Limited to what's on the disc. I don't think you never mentioned what it was for.
Silvino
OK then...
When download was mentioned at the start I assumed software to use on a PC, until I noticed the forum it was in.
For what it's worth I don't think you will beat a modern SS generator... ebay maybe ? unless you really really want tube that is.
Even something like this which is cheap and cheerful,
Browse for Products | CPC
Good luck with it.
When download was mentioned at the start I assumed software to use on a PC, until I noticed the forum it was in.
For what it's worth I don't think you will beat a modern SS generator... ebay maybe ? unless you really really want tube that is.
Even something like this which is cheap and cheerful,
Browse for Products | CPC
Good luck with it.
If you want to build something, an IC-based project is another idea (not tube, but you could use a tube amp?)
XR-2206P or similar......
XR-2206P datasheet, Pinout ,application circuits XR2206 -Monolithic Function Generator
XR-2206P or similar......
XR-2206P datasheet, Pinout ,application circuits XR2206 -Monolithic Function Generator
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