PRL-420TD PULSE RESEARCH LAB, PRL-420TD Datasheet

Product Description:2-Ch.Translator,TTLtoDifferentialTTL

PRL-420TD

Manufacturer Part Number

PRL-420TD

Description

Product Description:2-Ch.Translator,TTLtoDifferentialTTL

Manufacturer

PULSE RESEARCH LAB

Datasheet

1.PRL-420TD.pdf (2 pages)

Specifications of PRL-420TD

Rohs Compliant

Lead Free Status / RoHS Status

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APPLICATIONS

FEATURES

DESCRIPTION

The PRL-420TD is a dual channel single-ended input, differential output TTL Line Driver. Each channel has a 50Ω TTL/CMOS

compatible input and a pair of differential 50Ω outputs for driving long lines, in excess of 100ft, with or without 50Ω terminations.

The input threshold voltage can be selected between 1.5V and 1V using a front panel switch. The 1V threshold makes easy

interfacing with 3.3V TTL/CMOS devices.

The PRL-420TD is intended for use in testing and interfacing of high speed digital communication circuits, where conversion from

single-ended TTL/CMOS level signals to differential signals is often required. The differential outputs are ideal for driving RS422

input circuits and for high speed A/D’s where differential clock input is often required. The PRL-420TD complements other PRL-

series Level Translators, such as the PRL-420ND/PD, PRL-450ND/PD, and PRL-460NPD/PND, etc., in systems integration

applications where interconnections among different logic signals are often necessary.

The PRL-420TD is a ready-to-use functional module housed in a 1.3 x 2.9 x 3.9-in. extruded aluminum enclosure and is supplied with

a ±8.5V AC/DC Adaptor. BNC input and SMA output connectors are provided. A block diagram showing the equivalent input and

output circuits of the PRL-420TD is shown in Fig. 1.

•

Converting TTL/CMOS signals to Differential TTL

Signals

Converting TTL/CMOS Signals to RS422 Signals

High Speed Digital Communications Systems Testing

Differential Long Line Drivers

f max > 250 MHz

1.2ns Typical Output Rise & Fall Times

TTL Compatible 50Ω Ω Ω Ω Input

1.5V or 1V Selectable Input Threshold

Complementary 50Ω Ω Ω Ω Outputs

BNC Input/SMA Output Connectors

DC Coupled I/O's

Self-contained 1.3 x 2.9 x 3.9-in. unit including an

AC/DC Adapter

PRL-420TD DUAL CHANNEL DIFFERENTIAL TTL LINE DRIVER

1234 Francisco Street, Torrance, CA 90502

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

Email:

sales@pulseresearchlab.com

www.pulseresearchlab.com

Related parts for PRL-420TD

PRL-420TD Summary of contents

Page 1

... The PRL-420TD is a ready-to-use functional module housed in a 1.3 x 2.9 x 3.9-in. extruded aluminum enclosure and is supplied with a ±8.5V AC/DC Adaptor. BNC input and SMA output connectors are provided. A block diagram showing the equivalent input and output circuits of the PRL-420TD is shown in Fig ...

Page 2

... Size 1.3x2.9x3.9 Weight PRL-420TD Dual Channel Differential TTL Line Drivers 50 Ω Input Threshold Select Up 1.5V Dwn1.0V 50 Ω Pulse Research Lab Torrance, CA PRL-420TD Block Diagram Q outputs terminated into 50Ω unused complementary output is left unterminated, a slight ...

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