PRL-460PND PULSE RESEARCH LAB, PRL-460PND Datasheet

Product Description:2-Ch.Translator,PECLto NECL

PRL-460PND

Manufacturer Part Number
PRL-460PND
Description
Product Description:2-Ch.Translator,PECLto NECL
Manufacturer
PULSE RESEARCH LAB
Datasheet

Specifications of PRL-460PND

Rohs Compliant
NA
Lead Free Status / RoHS Status
na
APPLICATIONS
DESCRIPTION
The PRL-460NPD and PRL-460PND are, respectively, dual channel ECL to PECL and PECL to ECL Logic Level Translators.
Each unit can receive either single ended or differential input signals, selected by a switch. The outputs of the PRL-460NPD
translators are designed for driving 50Ω loads terminated to 3V and those of PRL-460PND to 50Ω loads terminated to -2V.
These high speed translators facilitate testing and integration of high speed digital communications circuits and systems, where
conversion of signals between the ECL to PECL logic families is often required.
The PRL-460NPD input is designed to interface with ECL circuits operating with a -5.2V or -4.5V supply, and The PRL-
460PND input is designed to interface with PECL circuits operating with a + 5V supply. In the differential input mode, both
inputs D and D of the PRL-460NPD are terminated into 50Ω /-2V, and those of the PRL-460PND into 50 Ω /3V. In this mode,
either one or both inputs can accept AC coupled signals as well. In the single input mode, signals should be connected to the D
inputs only. Inputs D are switched internally to V
and termination resistors R
Each unit is supplied with a ± 8.5V AC/DC Adapter and housed in an attractive 1.3 x 2.9 x 3.9-in. extruded aluminum enclosure.
PRL-460NPD DUAL CHANNEL NECL TO PECL TRANSLATOR
PRL-460PND DUAL CHANNEL PECL TO NECL TRANSLATOR
FEATURES
Converting Single Ended or Differential
ECL/PECL Signals to PECL/ECL Signals
High Speed Digital Communications systems
Testing
High Speed SONET Clock Level Translation
f max > 1000/300 MHz for PRL-460PND/
PRL-460NPD
750ps/1.1ns Typical t
PRL-460NPD
50Ω Ω Ω Ω /-2V Inputs for PRL-460NPD
50Ω Ω Ω Ω /3V for PRL-460PND
Single Ended or Differential Inputs
Complementary ECL/PECL Outputs
SMA I/O Connectors
Self-contained 1.3 x 2.9 x 3.9-in. units
including AC/DC Adapters
T
's for the D input channels are changed to 62 Ω .
r
for PRL-460PND/
BB
, nominally -1.3V for the PRL-460NPD and 3.7V for the PRL-460PND,
1234 Francisco Street, Torrance, CA 90502
PRL-460NPD
Tel: 310-515-5330 Fax: 310-515-0068
Email:
sales@pulseresearchlab.com
www.pulseresearchlab.com

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PRL-460PND Summary of contents

Page 1

... PECL circuits operating with supply. In the differential input mode, both inputs D and D of the PRL-460NPD are terminated into 50Ω /-2V, and those of the PRL-460PND into 50 Ω /3V. In this mode, either one or both inputs can accept AC coupled signals as well. In the single input mode, signals should be connected to the D inputs only. Inputs D are switched internally for the D input channels are changed to 62 Ω ...

Page 2

... For the PRL-460PND, an unused complementary output must be either terminated into 50Ω/- coupled into a 50Ω load; otherwise, output waveform distortion and rise time degradation will occur. Use the PRL-550NQ5X four channel ECL Terminator for the 50Ω/-2V termination and for connection of ECL signals to 50Ω ...

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