closeup of surface mounted electronic components in radio-frequency circuits of a tv tuner

microchip inductor coil circuit radio frequency component electronic micro chip closeup high air core pcb detail integrated wire board green rf orange electrical engineering small transformer copper metal hole silicone electricity spare semiconductor resistor capacitor diode printed layer surface mount technology assembly tv tuner card module signal transmission inside electrotechnology electrotechnics industry tech repair texture design aircore spiral glue induction solenoid winding electromagnetic ic pin device equipment receiver radiofrequency service black