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NE564D Просмотр технического описания (PDF) - Philips Electronics
Номер в каталоге
Компоненты Описание
производитель
NE564D
Phase-locked loop
Philips Electronics
NE564D Datasheet PDF : 9 Pages
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5
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7
8
9
Philips Semiconductors
Phase-locked loop
Product specification
NE/SE564
EQUIVALENT SCHEMATIC
1
LIMITER
7
PHASE
5
COMPARATOR
D1
D2
6
Q1
Q2 Q3
Q4
R7 R8
Q5
Q6
1k 1k
D3
D4
8
10
Q20
Q35
11
9
Q30
Q29
Q21
Q32
Q31
Q36
Q34
Q33
Q25
VCO
12
Q7
Q9
Q10
Q12
Q11
QR
Q13
Q14
Q15
D5
Q16
3
2
DC RETRIEVER
1
14
SCHMITT TRIGGER
Q41
Q40
Q47
Q48
D10
D11
Q42
Q14
Q23 Q24
Q17
Q15
Q22
R36
R35
100
100
Q27
Q26
D7
Q28
D9
13
Q31
Q37
D6
Q39
D8
AMPLIFIER
Q41
Q22
Q45
R27
10k
Q50
Q49
R26
R29
10k R48
Q42
10k
10k
D12
Q46
Q58
Figure 6. Equivalent Schematic
15
16
Q44
D11
SR01030
FM INPUT
f
O
= 5MHz
f
M
= 1kHz
BIAS FILTER
LOCK RANGE ADJUSTMENT
I
2
0.01
µ
F
0.47
µ
F
1k
.01
µ
F
16
6
7
3
1
8
2 11
564
10 9
4
5
LOOP FILTER
0.01
µ
F
15
14
0.1
µ
F
13
12
80pF
ANALOG OUT
1kHz
POST DETECTION FILTER
f
O
= 5MHz
FREQUENCY SET CAP
1k
5V
5V
Figure 7. FM Demodulator at 5V
SR01031
1994 Aug 31
6
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