Features

• Internal reference voltage source

• Adjustment free oscillator with ceramic resonator 456 kHz

• Pilot dependent mono/stereo switching with hysteresis

• Stereo indicator output

• Analogue control of mono/stereo change over (stereo noise control, SNC)

• Pilot canceller (19 kHz)

• Adjacent channel noise suppression (114 kHz)

• MUTE facility

• Analogue control of deemphasis (high cut control, HCC).

• Stereo inputs for additional signal source at output amplifiers

• Interference noise detector with integrated high-pass filter

• (IF level signal or MPX input)

• MPX input low-pass filter

• Noise blanking at MPX demodulator outputs

• Input and output level adjustable (resistor values)

Application

The TDA 4340X is an integrated circuit providing the stereo decoder function and noise blanking for FM car radio applications.