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Номер в каталоге
Компоненты Описание
LA7209V Просмотр технического описания (PDF) - SANYO -> Panasonic
Номер в каталоге
Компоненты Описание
производитель
LA7209V
ISO/IEC-14443 (proximity) RF amplifier for contact-less IC card and tag
SANYO -> Panasonic
LA7209V Datasheet PDF : 14 Pages
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LA7209V
ASK Modulation Driver Amplifier Signal Flow
ASK modulation output (+)
VCC
VCC
ASK modulation output (-)
VCC
Carrier (-):13.56MHz
3
Carrier (+):13.56MHz
2
22 Rd 22
Instruction data
H
L
Pin 5 voltage
SW4
SW6
11
4
5
6
High : Always on
Ra
Rb
Low : Linked to pin 7
7
Data high : On
Data low : Off
Read Amplifier Signal Flow
4.7k
Ω
21
Antenna
24
4.7k
Ω
2V
100k
Ω
: Maximum gain
19
fc=30kHz
2nd
HPF
LPF
fc=2.5MHz
4.7k
Ω
: Minimum gain
18
30dB
Adjustable
amplifier
fc=2.5MHz
10~30dB
2nd
HPF
LPF
fc=30kHz
Fixed
amplifier
17
4.0V
3.3V
4.0V
No.A0641-9/14
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