tza3030 NXP Semiconductors, tza3030 Datasheet - Page 13

• Manufacturer Part Number: tza3030
• Description: Sdh/sonet Stm1/oc3 Optical Receiver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PECL outputs: OUTPECL, OUTQPECL, LOS and LOSQ
PECL outputs can be terminated in different ways depending on the power supply voltage (see Fig.8).
1998 Aug 24
handbook, full pagewidth
SDH/SONET STM1/OC3 optical receiver
V IQ
V IQ
V I
V I
V OQ
V OQ
V O
V O
Fig.8 PECL termination schemes.
13
V CC = 3.3 V
V CC = 5 V
GND
GND
R1 = 83.3
R1 = 127
R2 = 82.5
R2 = 125
R1 = 127
R1 = 83.3
R2 = 82.5
R2 = 125
MGK887
Objective specification
TZA3030