Detection). Furthermore, pilot levels and identification signals can be evaluated internally with
2
subsequent switching between mono/ stereo/bilingual; no I C interaction is necessary (Automatic
Sound Selection).
General Features
? Two selectable analog inputs (TV and SAT-IF sources)
? Automatic Gain Control (AGC) for analog IF input. Input range: 0.10 -3 V pp
? Integrated A/D converter for sound -IF inputs
? All demodulation and filtering is performed on chip and is individually programmable
? Easy realization of all digital NICAM standards (B/G, D/K, I & L) with MSP 3410G.
? FM demodulation of all terrestrial standards (incl. identification decoding)
? FM demodulation of all satellite standards
? No external filter hardware is required
? Only one crystal clock (18.432 MHz) is necessary
? FM carrier level calculation for automatic search algorithms and carrier mute function
? Subwoofer output with on -chip programmable low-pass and complementary high-pass filters
DSP Section (Audio Base band Processing)
? Flexible selection of audio sources to be processed
? Two digital input and one output interface via I 2 S bus for external DSP processors, featuring
surround sound, ADR etc.
? Digital interface to process ADR (ASTRA Digital Radio) together with DRP 3510A
? Performance of all de -emphasis systems including adaptive Wegener Panda 1 without external
components or controlling
? Digitally performed FM identification decoding and de-matrixing
? Digital base-band processing: volume, bass, treble, 5 -band equalizer, loudness, pseudo -stereo,
and base-width enlargement
? Simple controlling of volume, bass, treble, equalizer etc.
Analog Section
? four selectable analog pairs of audio base -band inputs (= four SCART inputs) input level: =<2
V RMS , input impedance: >=25 kW
? one analog mono input (i.e. AM sound): input level: =<2 V RMS , input impedance: >=15 kW
? two high-quality A/D converters, S/N-Ratio: >=85 dB
? 20 Hz to 20 kHz bandwidth for SCART -to-SCART copy facilities
24CO8
General description:
The 24C16 is a 8Kbit elect rically erasable programmable memory (EEPROM), organized as 4
blocks of 256 * 08 bits. The memory operates with a power supply value as low as 2.5V.
Features:
? Minimum 1 million ERASE/WRITE cycles with over 10 years data retention
? Single supply voltage:4.5 to 5.5V
? Two wire serial interface, fully I2C-bus compatible
? Byte and Multi-byte write (up to 8 bytes)
? Page write (up to 16 bytes)
? Byte, random and sequential read modes
? Self timed programming cycle
15 |
ACEC
