hi all am am going to make this circuit
but it is hard to get an NTE107 Transistor at a sensible price
can anyone recomend a replacement cheers
markohttp://www.google.co.uk/url?sa=t&rc...zRYM4pkIg2rTsDQ&bvm=bv.83134100,d.d2s&cad=rja

 

Hello,

You can use any RF transistor.
The BF199 would already be suitable.

Bertus

 

2sc1215. a reverse ecg look up.
http://www.flippers.com/X-Ref-ECG.html
I have found it very handy.