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12th January 2009, 05:45 PM
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#1 |
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diyAudio Member
Join Date: Dec 2004
Location: UK
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Gary Pimm self bias CCS but without LND150
I would like to build the circuit as featured here: http://www.pacifier.com/~gpimm/self_bias.htm
Unfortunately, the depletion mode mosfet LND150 is expensive and hard to get. Are there any alternatives or a way to use normal low voltage JFETs in their position with a high voltage standoff transistor? |
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12th January 2009, 06:04 PM
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#2 |
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diyAudio Member
Join Date: Dec 2005
Location: the north
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Supertex has got some good depletion mode mosfets
They should be able to find and buy http://www.supertex.com/product_selection_tools.html They comes in packages: TO-92, TO-220, SOT-89 Current IDSS Max is in the 100-200 mA range
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