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KA8513B/C Datasheet

  • KA8513B/C

  • INTRODUCTION

  • 58.94KB

  • 6頁(yè)

  • SAMSUNG   SAMSUNG

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FM IF RECEIVER
KA8513B/C
INTRODUCTION
The KA8513B is designed for FM IF Detection on the pager set. It
includes a voltage regulator, low battery detection circuitry, Mixer,
Oscillator, FSK comparator and limiting IF Amplifier.
20鈭扴SOP鈭?25
FEATURES
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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: 1200bps / 2400bps
FSK Data reception
Package type: 20-SSOP (0.65mm)
#1
ORDERING INFORMATION
Device
KA8513B/C
Package
20-SSOP-225
Operating Temperature
鈭?0擄C
~ +70擄C
BLOCK DIAGRAM
MI
20
GND
19
REGO REGC
18
17
AO
16
FSKO
15
QC
14
BSC
13
LPFO
12
LPFI
11
1.0V Reg
2鈥檔d
MIX
FSK
COMP.
Quick
Charge
filter AMP
Alarm
audio AMP
X-tal
Osc
1
2
3
4
Limiting IF
Amplifier
5
6
7
8
Quad
Detector
9
10
OSCI
OSCO
MO
Vcc
LI
LD
FSKI
IFO
QD
RAO
1

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