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

Product Description:2-Ch.Translator, NECLtoPECL

PRL-460ANPD

Manufacturer Part Number

PRL-460ANPD

Description

Product Description:2-Ch.Translator, NECLtoPECL

Manufacturer

PULSE RESEARCH LAB

Datasheet

1.PRL-460ANPD.pdf (2 pages)

Specifications of PRL-460ANPD

Rohs Compliant

Lead Free Status / RoHS Status

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APPLICATIONS

FEATURES

PRL-460ANPD DUAL CHANNEL NECL TO PECL TRANSLATOR

PRL-460ANLPD DUAL CHANNEL NECL TO LVPECL TRANSLATOR

DESCRIPTION

The PRL-460ANPD and PRL-460ANLPD are a dual channel NECL to PECL and NECL to LVPECL Logic Level Translator

modules, respectively, intended for operation from DC to the GHz range. Maximum clock frequency is typically 2.5 GHz for

the PRL-460ANPD and 1.5GHz for the PRL-460ANLPD. These modules can receive either single-ended or differential

input signals, to be selected by a switch, but the complementary outputs must be used together. The short-circuit protection

feature limits the output swing to 400 mV

used.

The complementary outputs of the PRL-460ANPD are designed for driving 50 Ω loads terminated to +3 V, and they can also

drive AC coupled or floating 50 Ω loads. The complementary outputs of the PRL-460ANLPD are designed for driving 50 Ω

loads terminated to +1.3 V, and they can also drive AC coupled or floating 50 Ω loads. These high speed translator modules

facilitate testing and integration of high speed digital communications circuits and systems, where conversion of signals from

NECL to PECL or LVPECL logic families is often required.

The PRL-460ANPD and PRL-460ANLPD inputs are designed to interface with NECL circuits operating with a -5.2 V or -

3.3 V supply. In the differential input mode, both inputs D and D are terminated into 50 Ω /-2 V. 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

changed to 62 Ω . Block diagrams of the PRL-460ANPD and PRL-460ANLPD are shown in Fig. 1.

The PRL-460ANPD and PRL-460ANLPD are each supplied with a ± 8.5 V AC/DC Adapter and housed in a 1.3 x 2.9 x 2.9-

in. extruded aluminum enclosure.

Converting Single Ended or Differential

NECL Signals to Differential PECL or

LVPECL Signals

High Speed Digital Communications

systems Testing

High Speed SONET Clock Level

Translation

f max > 2.2 GHz for PRL-460ANPD

f max > 1.25 GHz for PRL-460ANLPD

750 ps t

50 Ω Ω Ω Ω /-2 V Input Terminations

Single Ended or Differential Inputs

Complementary PECL/LVPECL Outputs

drive 50 Ω Ω Ω Ω /V

or Floating 50 Ω Ω Ω Ω Loads

DC coupled I/O’s with SMA Connectors

Self-contained 1.3 x 2.9 x 2.9-in. unit

including an AC/DC Adapter

Terminations, AC-coupled

P-P

into a 50 Ω load, which is PECL/LVPECL compatible only if both outputs are

, nominally -1.3 V, and termination resistors R

Dual Channel NECL to LVPECL Translator

PRL-460ANLPD

1234 Francisco Street, Torrance, CA 90502

Tel: 310-515-5330 Fax: 310-515-0068

Email:

's for the D input channels are

sales@pulseresearchlab.com

www.pulseresearchlab.com

Related parts for PRL-460ANPD

PRL-460ANPD Summary of contents

Page 1

... Inputs D are switched internally to V changed to 62 Ω . Block diagrams of the PRL-460ANPD and PRL-460ANLPD are shown in Fig. 1. The PRL-460ANPD and PRL-460ANLPD are each supplied with a ± 8.5 V AC/DC Adapter and housed in a 1.3 x 2.9 x 2.9- in. extruded aluminum enclosure. Dual Channel NECL to LVPECL Translator into a 50 Ω ...

Page 2

... Max Clock Frequency Size Weight Fig. 1A PRL-460ANPD Block Diagram *A n unused complementary output must be either terminated into 50 Ω/V time degradation will occur. Use the PRL-ACT-50 dual channel AC coupled 50 Ω Termination for terminating unused complementary outputs and the PRL-SC-104 DC Block or PRL-ACX-12dB AC coupled attenuator for connection of NECL signals to 50 Ω input oscilloscopes information is not needed. Otherwise, use the PRL-550NQ4X four channel NECL Terminators for the 50 Ω ...

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