PRL-350TTL PULSE RESEARCH LAB, PRL-350TTL Datasheet

Product Description:2-Ch.Comparator/Sinewave Converter, TTL Outputs

PRL-350TTL

Manufacturer Part Number

PRL-350TTL

Description

Product Description:2-Ch.Comparator/Sinewave Converter, TTL Outputs

Manufacturer

PULSE RESEARCH LAB

Datasheet

1.PRL-350ECL.pdf (2 pages)

Specifications of PRL-350TTL

Rohs Compliant

Lead Free Status / RoHS Status

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PRL-350ECL DUAL CHANNEL COMPARATOR, ECL OUTPUT

PRL-350TTL DUAL CHANNEL COMPARATOR, TTL OUTPUT

PRL-350TTL-NIM DUAL CHANNEL NIM-INPUT COMPARATOR,

APPLICATIONS

FEATURES

DESCRIPTION

The PRL-350ECL and PRL-350TTL are ready-to-use, high-speed dual-channel comparator modules. The PRL-350ECL has a

typical maximum clock frequency in excess of 2 GHz

transmission lines terminated to 50 Ω/-2 V. The PRL-350TTL has a typical maximum clock frequency in excess of 250 MHz

and has complementary TTL outputs designed for driving 50 Ω transmission lines with or without 50 Ω load terminations.

Both models have DC coupled 50 Ω inputs and outputs. Input threshold voltage can be selected either from a set of preset values

of +50 mV, 0 V or –50 mV using a common three-position switch, or varied independently in each channel by applying a DC

voltage to one of the two inputs. Input Common Mode Range is –2.0 V to +3.0 V. Models with -NIM suffix, such as

PRL-350TTL-NIM, have ±400 mV or 0 V preset input threshold voltage. The -400 mV threshold setting is intended for NIM

input signals. The 0V threshold setting is intended for signals with zero crossings, such as a sinewave or AC-coupled square

wave, etc.

These high-speed comparators are Mini Modular Instruments™ that can be used as peak detectors, threshold detectors,

sinewave-to-square wave converters, window comparators or differential line receivers, etc. Typical minimum input voltage of

10 mV

the non-driven input be terminated into 50 Ω when the input frequency is near f

Each unit is supplied with a ±8.5 V AC/DC Adapter and housed in a 1.3 x 2.9 x 3.9-in. extruded aluminum enclosure.

* Although the PRL-350ECL typically operates up to 2 GHz, the internal device is specified at 1 GHz by the device manufacturer; therefore the guaranteed f

is 1 GHz.

• Window Comparators

• High Speed Timing

• Line Receivers

• Threshold Detection

• Peak Detection

• NIM translation

• f

• 750 ps/1.1 ns Typical t

• +50 mV, 0 V or -50 mV Preset Input Threshold

• +400 mV, 0V or -400 mV for models with –NIM

• -2.0 V to +3.0 V Input Common Mode Range

• 10 mV

• DC Coupled 50 Ω Inputs

• Complementary ECL/TTL Outputs

• SMA I/O Connectors

• Self-contained 1.3 x 2.9 x 3.9-in. modules include

Voltage

suffix

PRL-350ECL and @ 150 MHz for PRL-350TTL

AC/DC Adapters

MAX

P-P

TTL OUTPUT

>1000/250 MHz for PRL-350ECL

into 50 Ω is required for up to 250 MHz for the ECL output and 150 MHz for the TTL output. It is recommended that

P-P

Minimum Input @ 250 MHz for

for PRL-350ECL/PRL-350TTL

/PRL-350TTL

and has complementary ECL outputs designed for driving 50 Ω

Dual Channel Comparator, TTL Outputs

MAX

and its amplitude is less than 20 mV

PRL-350TTL

1234 Francisco Street, Torrance, CA 90502

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

sales@pulseresearchlab.com

www.pulseresearchlab.com

P-P

MAX

Related parts for PRL-350TTL

PRL-350TTL Summary of contents

Page 1

... Input Common Mode Range is –2 +3.0 V. Models with -NIM suffix, such as PRL-350TTL-NIM, have ±400 preset input threshold voltage. The -400 mV threshold setting is intended for NIM input signals. The 0V threshold setting is intended for signals with zero crossings, such as a sinewave or AC-coupled square wave, etc. These high-speed comparators are Mini Modular Instruments™ ...

Page 2

... DC block or the PRL-ACX-12dB AC-coupled attenuator may be used to connect the NECL/PECL outputs to 50 Ω input instruments. For the PRL-350TTL, very slight output waveform distortion and rise time degradation will occur when an unused complementary output is not terminated. For optimum performance, however, all outputs should be terminated. ...

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