The Part Number is CD2003GB.
The function of this semiconductor is FM/AM RADIO IC.
The package is DIP 16 Pin Type
Manufacturer: China Hua Jing Electronics
Preview images :
The CD2003GP, CD2003GB is a monolithic IC designed for use as a FM/AM radio system.
Combined with audio power amplifier IC, a suitable FM/AM radio can be constituted.
Its features are:
1. No need for FM IFT, AM IFT, and FM detector coil
2. Adjustment free for FM detector circuit
3. Wide operating supply voltage range: VCC=1.8~7V (Tamb =25℃ )
4. Package: DIP16/SOP16
Pin Descriptions :
1. INFMR FM RF Input, 9. GNDOUT Output Ground
2. GNDIN Input Ground, 10. QUAD QUAD
3. OUTF MM FM Mixer Output, 11. OUTDET Detector Output
4. OUTAMM AM Mixer Output, 12. OSCAM AM Oscillation
5. AGC AGC Control, 13. OSCF M FM Oscillation
6. VCC Supply Voltage, 14. SW AM/FM Switch
7. INAMI AM IF Input, 15. TUNFM FM Tuner
8. INFMI FM IF Input, 16. INAMR AM RF Input