XMT5160B-622-DN 데이터 시트보기 (PDF) - HP => Agilent Technologies
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XMT5160B-622-DN Datasheet PDF : 6 Pages
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Connection Diagram
Top View
FIBER PIGTAIL
NC
1
LASER BIAS MONITOR (+)
2
NC
3
LASER BIAS MONITOR (–)
4
VEE
5
VCC
6
TRANSMIT DISABLE
7
VCC
8
VCC
9
NC
10
20
NC
19
LASER BACK FACET MONITOR (+)
18
VCC
17
LASER BACK FACET MONITOR (–)
16
DATA
15
DATA
14
VEE
13
CASE GROUND
12
VCC
11
CASE GROUND
Pin Descriptions
Pins 1, 3, 10, 20, NC:
These pins should not be con-
nected and should be left open
circuit on the application PCB.
Pin 2, Laser Bias Monitor (+):
See Figure 1.
Pin 4, Laser Bias Monitor (–):
See Figure 1.
Pins 5, 14, VEE:
These pins are connected to
ground in +5 V systems and –5 V
in negative supply systems.
Pins 6, 8, 9, 12, 18, VCC:
Connect to +5 V for positive
supply systems and ground for
–5.2 V systems.
Pin 7, Transmit Disable:
Pin 7 floats to VEE when open
circuited, enabling the
transmitter. It must be biased
within 3 V of VCC to disable.
Pins 11, 13, Ground:
These pins should always be
connected to circuit ground.
Pins 15, 16, DATA, DATA:
These are differential ECL inputs.
If open circuited they float to VBB
(VCC –1.3 V).
Pin 17, Laser Back Facet
Monitor (–):
See Figure 2.
Pin 19, Laser Back Facet
Monitor (+):
See Figure 2.
PIN 2
PIN 4
VCC
LASER
3 kΩ
3 kΩ
10 Ω
MODULATION
CURRENT
IBIAS
VEE
Figure 1. Laser Bias Monitor Circuitry.
VCC
MONITOR
PHOTODIODE
PIN 19
3 kΩ
PIN 17
3 kΩ
200 Ω
TO LASER BIAS
CONTROL CIRCUITRY
Figure 2. Back Facet Monitor Circuitry.
455
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