BA1448S, BA1449F, BA1449F-E2 Selling Leads, Datasheet
MFG:ROHM Package Cooled:DIP24 D/C:97/98
BA1448S, BA1449F, BA1449F-E2 Datasheet download
Part Number: BA1448S
MFG: ROHM
Package Cooled: DIP24
D/C: 97/98
BA1448S, BA1449F, BA1449F-E2
- Table of contents:
Info of BA1448S
Info of BA1449F
Info of BA1449F-E2
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About BA1448S
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Datasheet: BA1448S
File Size: 187576 KB
Manufacturer: ROHM [Rohm]
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About BA1449F
PDF/DataSheet Download
Datasheet: BA1449F
File Size: 187576 KB
Manufacturer: ROHM
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About BA102
PDF/DataSheet Download
Datasheet: BA102
File Size: 42521 KB
Manufacturer:
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BA1448S General Description
The BA1448S and BA1449F are electronic tuning system ICs for AM, FM IF, and MPX. They have been developed for use in radio cassette players and mini-component stereo systems.
The FM detector and MPX VCO circuits do not require adjustment, which will reduce the number of assembly line processes. In particular, the VCO is laser locked, and requires no adjustment or external components. The characteristics of the two chips are the same, but the packages are different (24-pin SDIP for the BA1448S and 24-pin SOP for the BA1449F).
BA1448S Features
1) Built-in mono AM radio, FM IF amplifier / detector, and FM stereo demodulator.
2) DTS compatible (both SD and IF count).
3) Built-in reference voltage supply for good short-wave band frequency stability.
4) Good FM stability.
5) FM detector does not require adjustment (ceramic discriminator).
6) FM MPX VCO is laser locked and requires no adjustment or external components.
7) Built-in forced monaural function for the MPX (VCO stops, LED off).
8) Audio can be low-cut to improve AM fidelity.
9) VCO for the MPX switches off during AM operation.
10) Mute possible for IF request.
2) DTS compatible (both SD and IF count).
3) Built-in reference voltage supply for good short-wave band frequency stability.
4) Good FM stability.
5) FM detector does not require adjustment (ceramic discriminator).
6) FM MPX VCO is laser locked and requires no adjustment or external components.
7) Built-in forced monaural function for the MPX (VCO stops, LED off).
8) Audio can be low-cut to improve AM fidelity.
9) VCO for the MPX switches off during AM operation.
10) Mute possible for IF request.
BA1448S Typical Application
Synthesized tuners in radio cassette players and minicomponent
stereo systems.
stereo systems.
BA1448S Connection Diagram
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