DS_S1T8528X01 View Datasheet(PDF) - Samsung
Part Name
Description
Manufacturer
DS_S1T8528X01 Datasheet PDF : 35 Pages
| |||
S1T8528
BLOCK DIAGRAM
ENHANCED-1 CHIP CT0 RF IC
36
35
34 33 32 31 30 29 28 27
26 25
2LOI 37
X-tal
OSC
IF AMP
(455KHz)
Limiting
IF AMP
AMP
FSK
COMP
Regulator
(Vcc/2)
1MO 38
1LOI 39
1LOI 40
VCO 41
RX
1MI 42
1MI 43
GND 44
(PLL)
PDR 45
VREF 46
(RF)
VREF 47
(PLL)
TIF 48
Quadrature
2nd
Detector
MIX
RX
VCO
Internal
cap.
1st
MIX
RSSI
IF AMP
(10.7MHz)
Carrier
Detector
VCC(RX)
Low
Battery
Detector
PLL Regulator
( 2.05 V )
Programmable Counter ( RX )
Programmable Counter ( TX )
Buffer
PRE AMP VREF
+
-
Rectifier
SUM
Gain Cell
AMP
Volume control
Limiter
SPK
AMP1
SUM
AMP
Gain Cell
SPK
AMP2
-
+
MIC
AMP VREF
ALC
Programmable Counter ( REF )
Rectifier
4_25 CNT
RX Phase TX Phase
Detector Detector
Splatter
Filter
fMCU
CONTROL
Compander
mute
24 VREF
(COMP)
23 ALC
22 EPI
21 ERC
20 EO
19 SAI
18 SAO1
17 SAO2
16 VCC
(COMP)
15 GND
(COMP)
14 CPI
13 CPO
123456
7 8 9 10
11
12
2
Share Link: 