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BA4425 반도체 회로 부품 판매점

FM / TV front end



ROHM Semiconductor 로고
ROHM Semiconductor
BA4425 데이터시트, 핀배열, 회로
Audio ICs
FM / TV front end
BA4425F
The BA4425F is a monolithic IC designed for FM front end use. It consists of an RF amplifier circuit, mixer circuit, oscilla-
tion circuit, and IF buffer amplifier.
FApplications
FM radios
Radio cassette players
Home stereos
Headphone stereos
FFeatures
1) Uses double balance mixer to improve intermodula-
tion characteristics.
2) Includes a clamp diode in the mixer output.
3) Local oscillation buffer on-chip for improved re-
sponse to strong input.
4) The output impedance of the IF buffer is matched
with the ceramic filter impedance at 330.
5) Mixer input coupling capacitor included on-chip.
6) Includes a feedback capacitor for the local oscillation
circuit.
7) Reception of VHF terrestrial TV channels is possible.
8) Compact SOP 8-pin package.
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_C)
67


BA4425 데이터시트, 핀배열, 회로
Audio ICs
FBlock diagram
BA4425F
FPin descriptions
FElectrical characteristics (unless otherwise noted, Ta = 25_C and VCC = 4.0V)
68




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BA4425 tv

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