mrf141g/d1028/blf248 amp question..
 

hi there ..

has anyone built a broadband amp using any of the above (espically d1028
semelab)..and homebrewed the output matching transformer.looking to
cover70-148mhz...
have tried using 25r ptfe cable but that dosen't work..(3 turns giving 9:1)

if yes some details please..please note have extreme difficulty in finding
semi rgid 25r cable here in uk..

thanks simon

g0zen..

oh semelab d1028 suggests using exe18 19/30 coax..but i cant find any
details on spec...also supplier for A1x1 hole siemens core..uk please..(but
usa will do..)