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CXA1191のメーカーはUnisonic Technologiesです、この部品の機能は「FM/AM Radio」です。 |
部品番号 | CXA1191 |
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部品説明 | FM/AM Radio | ||
メーカ | Unisonic Technologies | ||
ロゴ | |||
このページの下部にプレビューとCXA1191ダウンロード(pdfファイル)リンクがあります。 Total 8 pages
UNISONIC TECHNOLOGIES CO., LTD
CXA1191
LINEAR INTEGRATED CIRCUIT
FM/AM Radio
DESCRIPTION
The UTC CXA1191 is a one-chip FM/AM radio IC designed for
radio-cassette tape recorders and headphone tape recorders.
FEATURES
*Small number of peripheral components
*Low current consumption (Vcc=3V)
–FM: lD=5.3mA (Typ.)
–AM: lD=3.4mA (Typ.)
*Built-in FM/AM select switch
*Large current of AF amplifier
FUNCTIONS
FM section
RF amplifier, Mixer and OSC
(incorporating AFC variable capacitor)
IF amplifier
Quadrature detection
Tuning LED driver
AM section
RF amplifier, Mixer and OSC (with RF AGC)
IF amplifier (with IF AGC)
Detector
Tuning LED driver
AF section
Electronic volume control
FM muting
Structure
Bipolar silicon monolithic IC
ORDERING INFORMATION
Ordering Number
CXA1191G-D28-T
CXA1191G-S28-R
CXA1191G-S28-T
Package
DIP-28
SOP-28
SOP-28
Packing
Tube
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
1of 8
QW- R110-014.C
1 Page CXA1191
LINEAR INTEGRATED CIRCUIT
PIN CONFIGURATIONS
PIN DESCRIPTION SYMBOL
1 MUTE
VOLTAGE(V)
VCC=3V
VCC=6V
FM AM FM AM
0000
EQUIVALENT CIRCUIT
2 Phase-shift circuit, Connect FM DISCRI 2.18 2.7 4.88 5.43
ceramic discriminator.
3 Negative feedback pin
NF 1.5 1.5 3.0 3.0
27 Power amplifier output pin
AF OUT 1.5 1.5 3.0 3.0
4 Connect variable resistor for VOL CONT 1.25 1.25 1.25 1.25
electronic volume control.
5 AM local oscillation circuit
AM OSC 1.25 1.25 1.25 1.25
6 AFC variable capacitor pin
8 Regulator pin 1.25V (Typ.)
AFC
1.25 Note 1.25 Note
REG OUT 1.25 1.25 1.25 1.25
7 FM local oscillation circuit
FM OSC 1.25 1.25 1.25 1.25
9 Connect FM RF tuning coil. FM RF 1.25 1.25 1.25 1.25
12 FM RF input pin
FM RF IN 0.3 0 0.3 0
10 AM RF input
11
13
10
AM RF IN 1.25 1.25 1.25 1.25
Vcc
NC 0 0 0 0
GND
(FE GND)
0
0
0
0
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 8
QW- R110-014.C
3Pages CXA1191
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
GND
28
AF
OUT
27
Vcc
RIPPLE
FILTER
AF
IN
26 25 24
DET
OUT
23
AFC
AQC
22
AFC
AQC
21
IF
END
METER
20 19
NC
18
FM
IF IN
17
AM
IF IN
16
FM/AM
BAND
SELECT
15
AF POWER AMP
AM IF DET AGC
AM FE
TUNING METER
FM IF
FM DISCRIMINATOR
FM FE
1 23
MUTE
FM
DISCRI
NF
4
VOL
5
AM
OSC
6
AFC
7
FM
OSC
8
RUG
OUT
9 10
FM AM
RF RF IN
11
NC
12
FW
RF IN
13 14
FM FM/AM
GND IF OUT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
6 of 8
QW- R110-014.C
6 Page | |||
ページ | 合計 : 8 ページ | ||
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PDF ダウンロード | [ CXA1191 データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
CXA1191 | FM/AM Radio | Unisonic Technologies |
CXA1191S | CXA1191S | ETC |
CXA1198AP | STEREO CASSETTE DECK RECORDING EQUALIZER | Sony Corporation |