CXA1691M Ver la hoja de datos (PDF) - Tiger Electronic

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CXA1691M

FM/AM RADIO CIRCUIT

Tiger Electronic 

CXA1691M

PIN CONFIGURATIONS

Pin Symbol

Description

Voltage (V)

Vcc=3V Vcc=6V

FM AM FM AM

Equivalent circuit

4

20K

Connect variable

4 VOL CONT resistor for electronic 1.25 1.25 1.25 1.25

volume control

80K

GND

5

5

AM OSC

AM local oscillation

circuit

1.25 1.25 1.25 1.25

3.6K

6

AFC

8 REG OUT

AFC variable

capacitor pin

1.25 * 1.25 *

Regulator pin

1 . 2 5 V ( Ty p . )

1.25 1.25 1.25 1.25

6

7

7

FM OSC

FM local oscillation

circuit

1.25 1.25 1.25 1.25

8

1.25V

(REG)

9

FM RF

12 FM RF IN

10 AM RF IN

Connect FM RF

tuning coil

1.25 1.25 1.25 1.25

FM RF input pin 0.3 0 0.3 0

AM RF input

1.25 1.25 1.25 1.25

9

3pF

12

8K

1K

10

Vcc

11

NC

13 GND(FE GND)

0000

0000

14

FM/AM FE

OUT

IF output pin of FM

and AM, Connect IF 0.36 0.2 0.36 0.2

filter

AM

FM

220

14

3/10

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