TZA3031U Philips Semiconductors, TZA3031U Datasheet - Page 3

• Manufacturer Part Number: TZA3031U
• Description: SDH/SONET STM1/OC3 laser drivers
• Manufacturer: Philips Semiconductors

Philips Semiconductors
BLOCK DIAGRAMS
1999 Aug 24
handbook, full pagewidth
SDH/SONET STM1/OC3 laser drivers
handbook, full pagewidth
DLOOPQ
DLOOP
DINQ
DINQ
DIN
DIN
28
29
V CC(R)
28
29
19
20
V CC(R)
Fig.1 Block diagram of TZA3031AHL.
Fig.2 Block diagram of TZA3031BHL.
19, 20
27, 30
4
18, 21
27, 30
4
ALARM
TZA3031AHL
(differential)
TZA3031BHL
V CC(G)
data input
V CC(G)
26
MUX
ENL
7
7
TONE
26
V CC(B)
V CC(B)
4
TONE
10
TZERO
10
4
3
5
TZERO
ALS
ALS
31
ALARMLO
5
31
REFERENCE
BAND GAP
REFERENCE
CONTROL
CURRENT
GND
BAND GAP
SWITCH
CONTROL
CURRENT
21
GND
BLOCK
LASER
SWITCH
BLOCK
LASER
11
1, 3, 8, 9,
11, 14, 16, 17
24, 25, 32
11
1, 3, 8, 9,
11, 14, 16, 17
24, 25, 32
ALARMHI
TZA3031AHL; TZA3031BHL;
18
MBK844
MBK843
22
23
13
12
15
22
23
13
12
15
2
6
2
6
MONIN
ONE
ZERO
LA
LAQ
BIAS
BGAP
MONIN
ONE
ZERO
LA
LAQ
BIAS
BGAP
Preliminary specification
TZA3031U