FM-TX-88v1.0
Low-power FM transmitter
A Colpitts-oscillator FM transmitter designed for rural broadcast, covering the full 88–108 MHz FM band. Built on a custom KiCad PCB with an integrated on-board antenna.
specifications
languageRF / PCB
platformAnalog · KiCad
statuscomplete
year2024
operating conditions
in → audio line-in
out → 88–108 MHz broadcast
RF DesignColpittsPCBAntenna
components
topologyColpitts oscillator
band88–108 MHz FM
PCBCustom — KiCad
antennaIntegrated on-board
inputAudio line-in
features
—Colpitts oscillator front-end, tunable across 88–108 MHz
—Custom KiCad PCB with integrated antenna
—Low-power design for local/rural broadcast
—Audio line-in with impedance matching
gallery7 frames