Description
and Quiescent Voltage at VCC = 4.5V
Pin number
Function
Quiescent voltage (V) AM FM
Remarks
1 AM-RF input
1.2 1.2 Connect the AM antenna coil between this
pin and pin 2 (Reg)
Equivalent circuit 2
1
2 Reg
1.2 1.2
2
3 AM-OSC
4.5 4.5 Connect the AM oscillator coil between this pin and pin
Features
- AM, FM frontend/IF and MPX integrated in a single-chip.
- Built-in MPX VCO circuit.
- Electronic tuning (AM oscillator output, AM/FM IF output).
- Adjustment-free FM detection (uses a ceramic discriminator).
- Packages : DIP24S (300mil) [LA1823]
MFP24S (300mil) [LA1823M]
Functions
AM : RF amplifier, mixer, oscillator, oscillator buffer, IF amplifier, detector, AGC, IF count buffer output. FM-RF : RF amplifier, mixer, and oscillator. FM-IF : IF amplifier, q.
LA1823M Datasheet
