Stereo Decoder/Noise Blanker
TDA 4340X
1
1.1
Overview
Features
鈥?Internal reference voltage source
鈥?Adjustment free oscillator with
ceramic resonator 456 kHz
鈥?Pilot dependent mono/stereo switching with
hysteresis
P-DSO-20-1
鈥?Stereo indicator output
鈥?Analogue control of mono/stereo change over (stereo noise control, SNC)
鈥?Pilot canceller (19 kHz)
鈥?Adjacent channel noise suppression (114 kHz)
鈥?MUTE facility
鈥?Analogue control of deemphasis (high cut control, HCC).
鈥?Stereo inputs for additional signal source at output amplifiers
鈥?Interference noise detector with integrated high-pass filter
鈥?(IF level signal or MPX input)
鈥?MPX input low-pass filter
鈥?Noise blanking at MPX demodulator outputs
鈥?Input and output level adjustable (resistor values)
Type
TDA 4340X
1.2
Application
Ordering Code
Q67000-A5058
Package
P-DSO-20-1
The TDA 4340X is an integrated circuit providing the stereo decoder function and noise
blanking for FM car radio applications.
Semiconductor Group
1
04.96