LA1845NV ic equivalent, single-chip home stereo ic.
* Integrated MPX VCO (ceramic resonators are no longer required.)
* Built-in adjacent channel interference rejection function (114kHz, 190kHz)
* Supports both.
Pin No. 1 Pin function FM IF input Pin voltage Vreg Equivalent circuit Notes Input impedance ri = 330Ω
1
3
2 AM mixer output VCC Connect the mixer coil between this pin and VCC
2
3
REG
2.1
3
Vreg = 2.1V
4
AM IF input
Vreg
Input impedance .
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