SA1088 Datasheet, PDF (4/7 Pages) Silan Microelectronics Joint-stock – FM RECEIVER CIRCUIT FOR BATTERY SUPPLY

Silan
Semiconductors
SA1088
PIN DESCRIPTIONS
Pin No. Symbol
Description
1
MUTE
Mute output
Audio frequency output
2
VOAF
signal
3
LOOP
AF loop filter
4
Vp
Supply voltage
5
OSC
Oscillator resonat circuit
6
IF FB
IF feedback
7
CLP1
Low-pass capacitor of 1dB
amplifier
8
VOIF
IF output to external coupling
capacitor(high-pass)
Pin No.
9
10
11
12
13
14
15
Symbol
ViIF
CLP2
VIRF
VIRF
CLIM
GND
CAP
16
TUNE
Description
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
Electrical tuning/AFC output
20
VOAF
(dB)
0
2
2
-20
1
1
-40
-60
-80
-6
10
1: Mute ON
2: Mute OFF
S+N
Noise
-5
-4
10
10
Fig. 2 Input sensitivity
-3
-2
10
10
EMF (V)
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2.0
4
2001-11-22