Philips Electronics
1-chip AM radio
Philips Electronics
PLL stereo decoder (BTSC system)
Philips Electronics
RF/IF circuit for AM/FM radio
Philips Electronics
AM/FM RADIO RECEIVER CIRCUIT
Philips Electronics
CODED LOCKING CIRCUIT FOR SECURITY SYSTEMS
Philips Electronics
PLL stereo decoder
Philips Electronics
AM/FM radio receiver circuit
Philips Electronics
Coded locking circuit for security systems