Tube of the Week

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Opcom:
Tube of the Day, Jan 15, 2021: The 6216

https://frank.pocnet.net/sheets/127/6/6216.pdf
Just happened to find this interesting tube in an old ad.
Military ruggedness,
Designed as an "electronic filter choke" with a 60-65V drop@110mA in Tetrode connection without burning up the screen.
Class A amp @ 3.8W,
Video amp,
Class C oscillator of 8W @ 50MHz.

A 110mA cathode in a 9 pin mintature beam power tube!
1.2A heater @6.3V.

Best of all, it's not expensive. The electronic filter circuit is included in the datasheet.




Is it worthwhile to have a sticky topic "Tube of the Day" ?

Maybe focus on less-known or unusual tubes which are:

* special in some capability/advantage,
* still generally available in experimenter quantities,
* and relatively inexpensive. for example this one cost from $2 to $8 at tube vendors, depending.

what else/

KL7OF:
Good topic....I have a few tubes that are interesting ...I'll post them..This is history and actually may be useful in the future...

K8DI:
Suggest maybe make a stickied thread with only a daily post, to reduce clutter, and then have members pm the person overseeing it with suggestions or submissions.

That said, an oddball favorite of mine is the 8417...

Ed

Steve - K4HX:
Sounds like a great idea. Who wants to be the point man?

W3SLK:
Steve said:Quote

Sounds like a great idea. Who wants to be the point man?
Shouldn't it be 'Pin-man'?  ;)

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