AN7223 Panasonic, AN7223 Datasheet
AN7223
Manufacturer Part Number
AN7223
Description
AM Tuner, FM/AM IF Amplifier Circuit for Radio Cassette Recorder
Manufacturer
Panasonic
Datasheet
1.AN7223.pdf
(3 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AN7223
Manufacturer:
PANASONIC/松下
Quantity:
20 000
sette recorder with multifunctioned FM/AM IF system.
ICs for FM/AM Tuner
AN7223
AM Tuner, FM/AM IF Amplifier Circuit for Radio Cassette Recorder
•
•
•
•
•
•
•
•
•
•
•
(FM/AM common use)
The AN7223 is an IC designed for high-class radio cas-
Wide operating supply voltage range : V
Incorporating both FM and AM detectors
Incorporating a level indicator output
AM : High sensitivity,including RF amplifier
Low power consumption
Muting control
AFC control
Fewer external parts
High stability on both AM and FM
Low shock noise level from function switch operation
SW band available (f= 30MHz)
Overview
Features
Block Diagram
1
7
4
3
AM RF
Amp.
8
AM/FM
IF Amp.
9
Level Meter
5
CC
AM
Mixer
= 2.8V~12V
FM IF
Amp.
AM
L Osc.
18
FM
Quad. Det.
12
Mute or
Shock Noise
Canceller
AGC
6
3 ~ 15˚
V
CC (AM)
2
Mute Det.
1
2
3
4
5
6
7
8
9
18-Lead DIP Package (DIP018-P-0300E)
7.62 0.25
6.3 0.25
AF
Amp.
AM
Det.
10
18
17
16
15
14
13
12
11
10
GND
11
3.8 0.25
14
17
16
13
15
V
CC
0.51min.
(3.45)
Unit : mm
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AN7223 Summary of contents
Page 1
... ICs for FM/AM Tuner AN7223 AM Tuner, FM/AM IF Amplifier Circuit for Radio Cassette Recorder Overview The AN7223 designed for high-class radio cas- sette recorder with multifunctioned FM/AM IF system. Features • Wide operating supply voltage range : V • Incorporating both FM and AM detectors • Incorporating a level indicator output (FM/AM common use) • ...
Page 2
... O (AM) Mod.= 30 400Hz m S Input at = 10mV max –10dB , f= 1MHz Mod.= 30 400Hz 80dB , f= 1MHz Mod.= 30 400Hz m AN7223 Unit V mW ˚C ˚C min. typ. max. Unit 100 125 mV 41.5 44.5 47 120 ...
Page 3
... AM IF CFM2 – 455B – 0.022 F – 470 V15 + + + T 1 – – – AN7223 – – 47pF Mute ON OFF Connection Number of Maker Diagram Turns – MATSUSHITA 2 – ...