electronic air-core inductors on beige printed circuit board detail

abstract air aircore analog background beige blur board card choke circuit closeup code coil color component copper core design detail device digital electric electrical electromagnetic electronic electrotechnical electrotechnics electrotechnology element engineering ewaste field frequency green helical high inductance induction inductor industrial industry inside macro magnetic metal module nobody orange part pcb radio radiofrequency receiver recycle red repair service shiny signal spiral tech technical technology television tuner twisted voltage winding wire