TZA3000HL Philips Semiconductors, TZA3000HL Datasheet - Page 3

• Manufacturer Part Number: TZA3000HL
• Description: SDH/SONET STM4/OC12 optical receiver
• Manufacturer: Philips Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1997 Oct 17
handbook, full pagewidth
SDH/SONET STM4/OC12 optical receiver
IPhoto
DREF
4
7
AGND
k
2
PREAMPLIFIER
V CCA
1, 3, 6, 8
9, 30, 32
7
2, 5
2
CONTROL
GAIN-
TESTING
RFTEST
AGC
14
31
peak detector
A1
Fig.1 Block diagram.
BIASING
V ref
V CCD
11
2
17, 20
3
BWC
10
COMPENSATION
DC-OFFSET
LOS DETECTION
AMPLIFIER
LIMITING
A2
TZA3000
DGND
13, 16, 21
24, 25
5
PECL
PECL
CML
TTL
Objective specification
29 LOSTH
28 LOSTTL
26 LOS
27 LOSQ
18 OUTCML
19 OUTQCML
15 OUTSEL
22 OUTPECL
23 OUTQPECL
TZA3000
MGK881