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Hello everybody !
When experimenting on the LF-band chokes with
inductances of some mH are often needed. They are not so easy to get in these
days. Those in the junk-box from the tube era are often quite big.
Do you have low-energy lamps that are not working
any more ? Before giving them away to recycling do the following:
Carefully disassemble the electronic part with a
screwdriver. Inside there (among some other things) is a choke with an
inductance of 1.8-17mH (depending of the power and the make of the lamp). They
chokes are very small, approximately 12x12x15mm. I have measured the Q of some
of them and it was between 10 and 25.
Happy recycling !
SM5EUF / Urban
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