參數(shù)資料
型號: SA1088
廠商: 杭州士景電子有限公司
英文描述: FM RECEIVER CIRCUIT FOR BATTERY SUPPLY
中文描述: FM接收電路電池供電
文件頁數(shù): 4/7頁
文件大?。?/td> 377K
代理商: SA1088
Silan
Semiconductors
SA1088
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2.0 2001-11-22
4
PIN DESCRIPTIONS
Pin No.
1
Symbol
MUTE
Description
Pin No.
9
Symbol
V
iIF
Description
Mute output
Audio frequency output
signal
AF loop filter
Supply voltage
IF input to limiter amplifier
Low-pass capacitor of IF
limiter amplifier
Radio frequency input
Radio frequency input
Limiter offset voltage
capacitor
Ground
All-pass filter capacitor.input
for search tuning
2
V
OAF
10
C
LP2
3
4
LOOP
Vp
11
12
V
IRF
V
IRF
5
OSC
Oscillator resonat circuit
13
C
LIM
6
IF FB
IF feedback
Low-pass capacitor of 1dB
amplifier
IF output to external coupling
capacitor(high-pass)
14
GND
7
C
LP1
15
C
AP
8
V
OIF
16
TUNE
Electrical tuning/AFC output
106
105
104
103
102
-80
-60
-40
-20
0
20
S+N
Noise
2
2
1
1
V
OAF
(dB)
EMF (V)
1: Mute ON
2: Mute OFF
Fig. 2 Input sensitivity
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