It's called a CASCODE circuit.

Posted by Allen Wright (M) on September 17, 2009 at 08:48:35

In Reply to: RE: differential phase splitter for the PP power ampilifier posted by RCA805 on September 17, 2009 at 06:16:39:

If it's not in your text book, you need a better text book!

Try Valley & Wallmann "Vacuum Tube Circuits". That's where the cascode was first revealed. (Page 440)

The cascode is a series connection of a common cathode stage under a common grid stage.

Very wide bandwidth, high gain, low noise and very linear. Similar to a pentode but quieter,and no screen current.

Regards, Allen (Vacuum State)

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Follow Ups Full Thread

Topic - differential phase splitter for the PP power ampilifier - RCA805 21:50:59 09/14/09 (16)

RE: differential phase splitter for the PP power ampilifier - Ray Moth 18:18:35 09/15/09 (0)

RE: differential phase splitter for the PP power ampilifier - Allen Wright 02:04:45 09/15/09 (14)

RE: differential phase splitter for the PP power ampilifier - RCA805 22:11:55 09/15/09 (3)

RE: differential phase splitter for the PP power ampilifier - Allen Wright 05:25:46 09/16/09 (2)

RE: differential phase splitter for the PP power ampilifier - RCA805 06:16:39 09/17/09 (1)

It's called a CASCODE circuit. - Allen Wright 09/17/0908:48:35 09/17/09 (0)

PP-1C - LowRedMoon 17:40:03 09/15/09 (1)

RE: PP-1C - Allen Wright 04:51:39 09/17/09 (0)

Allen - would your cascode work with DHTs? - andy evans 04:58:46 09/15/09 (7)

RE: Allen - would your cascode work with DHTs? - PakProtector 05:41:02 09/15/09 (0)

RE: Allen - would your cascode work with DHTs? - Allen Wright 05:35:20 09/15/09 (5)

I'll take that as a no! - andy evans 06:37:14 09/15/09 (4)

NEVER! - Allen Wright 07:41:36 09/15/09 (0)

RE: I'll take that as a no! - PakProtector 07:20:16 09/15/09 (2)

gm of DHTs - andy evans 18:02:15 09/15/09 (1)

RE: gm of DHTs - PakProtector 03:32:57 09/16/09 (0)

Follow Ups

It's called a CASCODE circuit. - Allen Wright 09/17/0908:48:35 09/17/09 (0)

It's called a CASCODE circuit.

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