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transistor designator

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red devil

New Member
mike first i wanna ask tht which type of segment would be gud common cathode or anode....
secondly in ur ckt segment A is connected with 5 v batterey and A B E F are short with each other am i right??
 

Mike_2545

Super Moderator
You should also use seperate resistors per segmenet. That drawing is from 1975.
 

Mike_2545

Super Moderator
You want me to Google that too?

Try a .15mF disk cap like I have in the drawing. It will give you a nice fast pulse.
 

Mike_2545

Super Moderator
N= npn
P=pnp
A=open
R=short

Just like the notes tell you
 
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red devil

New Member
hey mike i am getting the default in which segment a b e f are working but if i am inserting either npn or pnp transistor none of segment g or c is getting on ...
 
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