See my Dec 31, 2009 blog for an update with more pictures and the final schematic.
Thursday, December 31, 2009
PS-0-to-10V-LM317
See my Dec 31, 2009 blog for an update with more pictures and the final schematic.
Saturday, December 19, 2009
Sunday, December 13, 2009
Tx-FM-Telemet1.gif
Notice that the bias current for Q1 must go through the "input", which may be the body of the patient. The current will be very low, a microamp or less.
Instead of 2N2484, use a high gain NPN such as MPSA18 or a BC550C selected for high current gain, 600 or more.
Instead of 2N2484, use a high gain NPN such as MPSA18 or a BC550C selected for high current gain, 600 or more.
Monday, December 7, 2009
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