
l
Sound IF (SIF) input switch
l
SIF Automatic Gain Control (AGC) with 24 dB control range
l
Switchable 10 dB SIF input attenuator
l
SIF 8-bit Analog-to-Digital Converter (ADC)
l
Easy TV standard programming option
l
Differential Quadrature Phase Shift Keying (DQPSK) demodulation for different standards, simultaneously with 1-channel FM
demodulation
l
Near Instantaneous Companded Audio Multiplex (NICAM) decoding (B/G, D/K, I and L standard)
l
2-carrier multi-standard FM demodulation (B/G, D/K, I and M standard)
l
Single carrier high deviation FM mono demodulation mode
l
Decoding for three analog multi-channel systems (A2) and satellite sound
l
Adaptive de-emphasis for satellite
l
Programmable identification (B/G, D/K and M standard) and different identification times
l
FM pilot carrier presence detector
l
Optional AM demodulation for L standard, simultaneously with NICAM
l
Monitor selection for FM/AM demodulator outputs and FM and NICAM signals with peak option
l
Automatic FM dematrixing option
l
Digital crossbar switch
l
IS-bus serial audio output with matrix, level adjust and mute
l
Dual audio Digital-to-Analog Converter (DAC) from digital crossbar switch to analog crossbar switch, bandwidth 15 kHz
l
Automatic Volume Level (AVL) control
l
Analog crossbar switch with inputs for mono and stereo
l
Output selection of mono, stereo, dual, dual A or dual B
l
Additional mono output with automatic select
l
20 kHz bandwidth for analog path
l
Standby mode
l
Automatic output selection for TV applications.
Applications
Datasheet
Type nr.
Title
Publication
release date
Datasheet status
Page
count
File
size
(kB)
Datasheet
TDA9874A Digital TV sound
demodulator/decoder
08-Apr-00
Product
Specification
68
231
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