A Small LPFM Transmitter with
Onboard Magnetic Loop Transmitter
As seen on my YouTube Page
This is the PCB board layout for a small LPFM
transmitter that i'l showed on Youtube
This new design is even more powerfull , using 4 instead of 2
transistors
The range will go up to 2 kilometers or even 4 - 7 km using een
external twinlead fed 300 ohm folded dipol antenne
Or use just 2 transistors for less range using
a 100 Ohm Emitor resister instead of the 33 Ohm for lower
battery consumption
Take good notice by placing the transistors , for the BF 199 the
connections are 1 Basis 2 Emittor 3 Collector
One set transistors is placed 180 degrees backward , be sure all
the collectors are connected at the antenna loop
PCB Layoyt with components :

The PCB Layout , print this 10 x 15 cm on your printer to get the right printfolie for exposing your PCM material

The component's silkscreen
