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Philips Semiconductors
SA5211
Transimpedance amplifier (180 MHz)
Product specification Rev. 03 — 07 October 1998 19 of 28
9397 750 07427
© Philips Electronics N.V. 2001. All rights reserved.
The NE5210/NE5217 combination can operate at data rates in excess of 100 Mb/s NRZ
The capacitor C7 decreases the NE5210 bandwidth to improve overall S/N ratio in the DC-50 MHz band, but does create extra
high frequency noise on the NE5210 V
CC
pin(s).
Fig 14. A 50Mb/s fiber optic receiver.
1
2
3
4
5
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8
9
10 11
12
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20
1
2
3
4
5
6
78
9
10
11
12
13
14
LED
C
PKDET
THRESH
GND
A
FLAG
JAM
V
CCD
V
CCA
GND
D
TTL
OUT
IN
1B
IN
1A
C
AZP
C
AZN
OUT
1B
IN
8B
OUT
1A
IN
8A
R
HYST
R
PKDET
NE5214
GND
GND
GND
OUT
GND
GND
OUT
V
CC
V
CC
NC
I
IN
NC
GND
GND
NE5210
R2
220
D1
LED
C9
100pF
100pF
C7
.01µF
47µF
C1
C2
GND
+V
CC
0.1µF
R4
4k
R3
47k
V
OUT
(TTL)
L3
10µH
L2
10µH
C11
C10
.01µF
.01µF
C13
C12
10µF
10
µF
C8
L1
10µH
BPF31
OPTICAL
INPUT
R1
100
C5
1.0µF
C6
.01µF
.01µF
C4
10µF
C3
SD00330