NXP Semiconductors.
Low-power FM stereo radio for handheld applications
Philips Electronics
PLL stereo decoder (BTSC system)
Philips Electronics
Self Tuned Radio (STR)
STMicroelectronics
SWITCH MODE POWER SUPPLY SECONDARY CIRCUIT
Philips Electronics
Self Tuned Radio (STR)
Philips Electronics
RF/IF circuit for AM/FM radio
Philips Electronics
AM/FM RADIO RECEIVER CIRCUIT