TA7642 Datasheet PDF – AM Radio IC – TO92

Part Number: TA7642

Function: AM radio IC

Package: TO 92 Type

Image : TA7642 datasheet


The TA7642 is an AM radio IC in a TO92 package which requires very few external components to make a complete pocket radio. The transistor is suitable for low voltage portable Radio, cassette system and other wireless AM system.

Example Circuit :

TA7642 circuit


1. Low operating voltage : Down to VCC=1.3V

2. Low Quiescent Current : ICCO=0.2mA

3. Very few external components required


TA7642 Datasheet


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CD2003GB Datasheet – FM/AM RADIO IC, 16 Pin

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 :

1 page
CD2003GB image


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


CD2003GB Datasheet