AN7273 View Datasheet(PDF) - Panasonic Corporation

Part Name

Description

Manufacturer

AN7273

ICs for FM/AM Tuner(AM Tuner, FM/AM IF Amplifier Circuit)

Panasonic Corporation 

ICs for FM/AMTuner

s Coil Specifications

Symbol Use, Freq.

Type No.

FM

T1

Quad. Coil

10.7MHz

ELF–

7S752A

AN7273, AN7273S

Maker Connection Diagram Number of Turns Tuning Cap. Unloaded Q

1

Matsushita 2

3

4

1 – 2 8T

2 – 3 5T

4 – 6 3T

6

100pF

90±20%

T2

AM MW

Osc. Coil

ELL–

7S754

3

Matsushita 2

1

4

1 – 2 4T

2 – 3 125T

—

4 – 6 7T

6

95±20%

3

AM Mix.

T3

Output

455kHz

EIA–

7S802A

Matsushita 2

1

4

3 – 2 35T

6 – 4 10T

2 – 1 19T

6

1500pF

60±30%

s Ceramic Filter Specification

Symbol

Use

Type No.

CF1

AM IF

CFM2– 455B

Maker

Toko

Center Freq.

455kHz

Band Width

7kHz (–6dB)

Loss

2.6dB

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