V23826-C18-C366 Datasheet, PDF (10/15 Pages) Infineon Technologies AG – DC/DC (3.3 V) Single Mode 155 MBd ATM/SDH/SONET 1x9 Transceiver Extended Temperature Range

V23826-C18-C366
Application Notes
Application Notes
ATM transceivers and matching circuits are high frequency components and shall be
terminated as recommended in the application notes for proper EMI performance.
Electromagnetic emission may be caused by these components.
To prevent emissions it is recommended that cutouts for the fiber connectors be
designed as small as possible.
It is recommended that the Tx plug and the Rx plug be separated with a bar that divides
the duplex SC opening.
Single Mode 155 MBd ATM 1x9 Transceiver
Laser
Driver
TxVEE 9
TxD 8 _C6
TxD 7 C7
VCC SerDes
3.3 V
Infineon Transceiver
V23826-C18-C366
DC/DC Option
Signal
Detect
Pre-
Amp
Limiting _RD-
Amplifier
RD+
VCCTx 6
C1
VCCRx 5
L1
VCC
3.3 V
L2
C3
C2
SD 4
SD to upper level
R9
RxD 3
C4
RxD 2
C5
RxVEE 1
VCC
Tx+
ECL/PECL
Driver
Tx-
Serializer/
Deserializer
RD-
RD+
Receiver
PLL etc.
C1/2/3 = 4.7 µF
C4/5/6/7 = 100 nF
L1/2 = 1 µH
R10/11 = 127 Ω (3.3 V)
(depends on SerDes chip used)
R7/8 = 82 Ω (3.3 V)
(depends on SerDes chip used)
Figure 5
R5/6 = 150 Ω (3.3 V)
R9 = 270 Ω (3.3 V)
Place R1/2/3/4 close to SerDes chip,
depends on SerDes chip used,
see application note of SerDes supplier.
Place R7/8/10/11 close to Infineon Transceiver
Data Sheet
10
2000-04-01