Philips SA5211 - Manual (Page 19)

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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7
8
9
10 11
12
13
14
15
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17
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19
20
1
2
3
4
5
6
7 8
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
.01 µ F
47 µ F
C1
C2
GND
+V CC
0.1 µ F
R4
4k
R3
47k
V OUT (TTL)
L3
10 µ H
L2
10 µ H
C11 C10
.01 µ F
.01 µ F
C13 C12
10 µ F
10
µ
F
C8
L1
10 µ H
BPF31
OPTICAL
INPUT
R1
100
C5
1.0 µ F
C6
.01 µ F
.01 µ F
C4
10 µ F
C3
SD00330