[AMPS] SB200 Filament Voltage

[Lamb]

Peter said:

"A series resistor of 0.1 ohm - or if you prefer, 0.05 ohm in each filament
leg.
Easy way to get one is a bit of galvanised guy wire, split down to the
individual strands, and a few inches at most of one strand will do. Adjust
to
get the volts right. Makes quite reasonable meter shunts, too."

A Hints and Kinks article by K7FM outlined the use of paper clips as off the
shelf resistors.  They measured .025 ohms per clip.  The editor noted that
the wire spiral from notebooks could also be used.

73,  Colin  K7FM




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