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U4454B |
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| Part Number | U4454B |
| Manufacturer | TEMIC Semiconductors |
| Description | The U4454B quasi-split-sound processor is a bipolar integrated circuit for all FM-TV standards and NICAM sound systems. For FM/NICAM the IC operates as QSS-mixer. In case of AM sound the circuit can b... |
| Features |
D PLL intercarrier-mixer for all FM standards (incl. NICAM sound system) D High grade signal processing for FM/NICAM sound systems D Also suitable as AM-demodulator D Gain controlled wideband amplifier D AGC operates as a peak- and mean-level detector D High input sensitivity D Wide supply voltage range (6.8 V up to 13 V) D Low power consumption D ESD protection
Case: 16-pin DIL plastic
Block Diagram
VCO Tank Loop filter
93 7653
12 Lock detector 16 IF Input 1 Video
11
8
9
VCO
90° 0° Interference rejection
6
Output
Overload detector 14 3 NC +/ – Lock detector AGC +V S 2 NC 5 IF AGC... |
| Document |
 U4454B Data Sheet
PDF 98.67KB |
| Distributor | Stock | Price | Buy |
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