參數(shù)資料
型號: CXA1191
廠商: 友順科技股份有限公司
英文描述: 2.5-V Integrated Reference Circuit 8-TSSOP 0 to 70
中文描述: 調頻/調幅收音機。(用于無線電盒式磁帶錄像機和錄音機耳機)
文件頁數(shù): 3/7頁
文件大小: 115K
代理商: CXA1191
UTC CXA1191
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
PIN CONFIGURATIONS
PIN
SYMBOL
VOLTAGE(V)
Vcc=3V
FM
AM
0
0
Vcc=6V
FM
0
AM
0
EQUIVALENT CIRCUIT
DESCRIPTION
1
MUTE
2
FM DISCRI
2.18
2.7
4.88
5.43
2
1K
2K
Phase-shift circuit,
Connect ceramic
discriminator.
3
NF
1.5
1.5
3.0
3.0
Negative feedback pin
27
AF OUT
1.5
1.5
3.0
3.0
3
27
X100
X100
GND
Vcc
Power amplifier output pin
4
VOL CONT
1.25
1.25
1.25
1.25
4
GND
20K
80K
Connect variable resistor
for electronic volume
control.
5
AM OSC
1.25
1.25
1.25
1.25
5
3.6K
AM local oscillation circuit
6
AFC
1.25
*
1.25
*
AFC variable capacitor
pin
8
REG OUT
1.25
1.25
1.25
1.25
6
8
1.25V
REG
Regulator pin 1.25V
(Typ.)
7
FM OSC
1.25
1.25
1.25
1.25
7
FM local oscillation circuit
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