FM Radio Transmitter schematic with pcb
For those of you like / love to talk in the air can assemble this simple circuit that can be received by the radio receiver to within a few hundred feet. The voice that issues by this circuit at all clear without rustling. Can also be used to link communications over the air using this radio transmitter, provided that other person also had the same circuit. This PCB design : Description : Resistor R1__________________1K R2__________________18K R3__________________82K R4__________________1K2 R5__________________5K6 R6__________________39K R7__________________18K R8__________________68K R9__________________470R R10_________________100R R11_________________50K XTal Q1__________________ Crystal according to the desired frequency Inductor L1__________________10uH Capacitor C1__________________10uF C2__________________30uF C3__________________20uF C4__________________47uF Transistor Tr1_________________2SB175 Tr2_________________2SB175 Tr3_________________2SB178 Antenna X1-1________________...