LM1872 National Semiconductor, LM1872 Datasheet - Page 12

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LM1872

Manufacturer Part Number
LM1872
Description
Radio Control Receiver/Decoder
Manufacturer
National Semiconductor
Datasheet

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Manufacturer
Quantity
Price
Part Number:
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Manufacturer:
NS
Quantity:
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Quantity:
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Applications
R1
R2
R3
R5
C1
C2
C3
C4
C5
C6
C7
C8
T1
T2
T3
D1
455 kHz preamp transformer
Toko 10 EZC type (RMC-502182) Qu
Pin 1–2 82T pin 2–3 82T
Pin 1–3 164T pin 4-6 30T
455 kHz IF transformer
Toko 10 EZC type (RMC-402503) Qu
Pin 1–2 98T pin 2–3 66T
Pin 1–3 164T pin 4–6 8T
455 kHz input transformer
Toko 10 EZC type (RMC-202313) Qu
Pin 1–2 131T pin 2–3 33T
Pin 1–3 164T pin 4–6 5T
Load decoupling
Sync timer R2
Preamp decoupling
Photodiode decoupling
Photodiode decoupling
V
V
Load decoupling
IF bypass optional
Sync timer C6
Preamp decoupling
AGC
PN or PIN Silicon Photodiode
BIAS
a
bypass
bypass
(Continued)
e
e
0 7 R2
0 7 C6
t
SYNC
t
C6
R2
s
s
470k
0 5 F
e
e
e
110
110
110
FIGURE 9a IR Type Data Link
Bottom View
12
Vactec
Vactec
UDT
UDT
Siemens
Photodiode D1
FIGURE 9b Input Stage Where the Case of D1 is
VTS 5088
VTS 6089
PIN 6D or 6 DP
PIN 220 DP
BPY 12
Connected to the Anode
Active Area (cm
0 18
0 52
0 20
0 20
2 0
2
)
TL H 7912 – 16
TL H 7912 – 17

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