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Old 16th February 2004, 09:04 AM   #1
mrstone is offline mrstone  Hong Kong
diyAudio Member
Join Date: Aug 2003
Location: Hong Kong
Smile Newly CCS circuit from Pimm

Hi Folks,

Anyone try this new CCS circuit from Gary Pimm? I'm planning to use this circuit in 12B4a preamp, the operating point is Vp=100V, Ip=30mA. So,
Q1) how can I choose the value of R1 (=8V/30mA??)?
Q2) LND150 is not available in Hong Kong, any substitutions can be used?
Q3) How much voltage drop across the CCS?

Thanks in advance!!!

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Mr. Stone
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