[Boatanchors] Horizontal Output Driver Transistor

manualman at juno.com manualman at juno.com
Sun Oct 2 23:54:22 EDT 2011


A quick Google brought this list up:
http://www.kenselectronics.com/lists/nte.htm#TVHorizontal

Pete, wa2cwa

On Sun, 2 Oct 2011 22:38:14 -0500 "lee" <pulsarxp at embarqmail.com> writes:
> I've been surfing the web getting ideas for my upcoming DX-100 
> rebuild.  I 
> noticed a neat article by Norm, WB2SYQ regarding a solid state 
> replacement 
> for the 4 watt driver pot which are hard to find these days.  I 
> guess it 
> could be used in Johnson equipment too.  It consists of a small 1 
> meg pot, a 
> 470K 2 watt resistor and a garden variety Horizontal Output Driver 
> Transistor.   What is a garden variety Horizontal Output Driver 
> Transistor? 
> You would think the article would give a transistor number or two, 
> but it 
> does not.  I realize this is a TV transistor, but I don't have a 
> clue what 
> would work in such a circuit.  I am guessing it is good for high 
> voltage and 
> a fair amount of current.
> 
> Any TV technicians on here who could give me a real transistor 
> number to be 
> used in the circuit I could maybe obtain from Mouser?
> 
> Thanks,
> 
> Lee, w0vt
> Houston, Texas 


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