Replacement JFET for ASM-1 VCO

Martin Czech martin.czech at
Wed Nov 3 13:07:18 CET 1999

:::	>And the bipolar works better than all of them... Why do people like
:::FETs so
:::	>much...
:::Leakage currents ?

So it is: if you want current, go bipolar!

Leakage is not dependend on device type (bipolar, jfet), but on individual parameters. The jfet channel leakage can be considerable. At first sight the 
gate leakage of jfets looks good, but wait til Ta=50C. See LM11 data sheet.


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