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Larry W4CSC
 
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Default Pump RUNNING Indication

2.2 K ohms.....2200 ohms.



On Wed, 01 Oct 2003 12:43:02 GMT, "Charlie J"
wrote:

Thanks to both of you...Meindert-I don't understand the notation "2k2" or
"4k7" in your post. Would you please explain?

73-
Charlie

One caveat: if the .33 resistor or fusistor blows, you get 12V through 100
Ohm at the base of the transistor. This will produce a current of 120mA at
the base, which will kill the transistor. A base resistor of 2k2 to 4k7

will
do the trick.






Larry W4CSC

3600 planes with transponders are burning 8-10 million
gallons of kerosene per hour over the USA. R-12 car air
conditioners are responsible for the ozone hole, right?
 
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