5W Chinese PLL FM Transmitter With LCD Printed Circuit Board (PCB)
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The PLL controller of the FM transmitter use SAA1057 and PIC16F628 (download HEX file). If want to change the active component, here's the list: 2SC2458 = BC547 2SA1048 = BC557 2SK192 = J310 2SB562 = BD136, BD138, BD140 2SC1923 = BF199 of BRF91 2SC1923 = BF199 or BRF91 2SC2053 = BRF96 2SB1135 = BD136, BD138, BD140 MV2105-09 = BB105, BB119 Printed Circuit Board (PCB) for this FM transmitter circuit is 155 mm x 120 mm. All coils are 0.8 mm copper wire with a 6 mm diameter. Please see parts used from schematic.
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