Samsung S1T8513A02-V0B0 Datasheet
FM IF RECEIVER S1T8513A
INTRODUCTION
The S1T8513A is designed for FM IF Detection on the pager set. It
includes a voltage regulator, low battery detection circuit, Mixer,
Oscillator, FSK comparator and limiting IF Amplifier.
FEATURES
• Operating voltage range: 1.0 ~ 4.0V
• Typical supply current: 1.1mA at 1.4V
• Low battery detection circuit (alarm function): 1.05V
• Voltage regulator : Vreg = 1.0V (Typ.)
• Mixer operating frequency: 10 ~ 50MHz
• High transmitting rate: 1200 / 2400bps
• FSK Data reception
• Package type: 20-SSOP (0.65mm)
ORDERING INFORMATION
20−SSOP−225
Device Package Operating Temperature
S1T8513A02-V0B0 20-SSOP-225 −20°C to +70°C
BLOCK DIAGRAM
MI GND REGO
20 19 18 17 16 15 14 13 12 11
2’nd
MIX
X-tal
Osc
1 2 3 4 5 6 7 8 9 10
OSCI OSCO MO Vcc LI LD FSKI IFO QD RAO
REGC
1.0V Reg
AO FSKO QC BSC LPFO LPFI
FSK
COMP.
Alarm
Limiting IF
Amplifier
Quick
Charge
filter AMP
audio AMP
Quad
Detector
1
S1T8513A FM IF RECEIVER
PIN CONFIGURATION
OSCI
OSCO
MO
Vcc
LI
LD
FSKI
IFO
QD
RAO
1
2
3
4
KA8513B
5
6
7
8
9
10
S1T8513A
20
19
`18
17
16
15
14
13
12
11
MI
GND
REGO
REGC
AO
FSKO
QC
BSC
LPFO
LPFI
2
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