tza3011a NXP Semiconductors, tza3011a Datasheet - Page 20

• Manufacturer Part Number: tza3011a
• Description: 30 Mbit/s Up To 3.2 Gbit/s A-rate Tm Laser Drivers
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 14437
Product data sheet
12.1.5 Alarm monitor current
12.1.6 Pulse width adjustment
The alarm threshold I
I
which corresponds with an I
be sunk by an external current source or by connecting R
The pulse width adjustment time is determined by the value of resistor R
Figure
The t
between a minimum resistance of 6.7 k and a maximum resistance of 20 k . The PWA
function is disabled when the PWA input is short-circuited to ground; t
a disabled PWA function.
I
t
MAXMON
PWA
MON alarm
Fig 7. Pulse width adjustment
PWA
=
7.
200
of the MAXMON pin. The current range for I
range is from 100 ps to +100 ps which corresponds with a R
=
R
---------------------------------- -
N
PWA
MAXMON
R
PWA
–
MON(alarm)
10 k
t
Rev. 06 — 20 January 2005
(ps)
PWA
100
100
0
V
------------------------ -
R
MON(alarm)
[ps]
MAXMON
MAXMON
on the monitor current is determined by the source current
6.7
from 150 A to 3000 A. The I
30 Mbit/s up to 3.2 Gbit/s A-rate
TZA3011A; TZA3011B
10
R PWA (k )
MAXMON
MAXMON
20
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
is from 10 A to 200 A
mgt893
to ground:
MAXMON
PWA
PWA
PWA
equals 0 ps for
range
laser drivers
; see
current can
20 of 30