Description Of The Pdl-100A Programmable Delay Line Series; Introduction - Colby Instruments PDL-100A Operating And Programming Manual

Programmable delay line

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Table Of Contents

Table of Contents

Chapter 1

Description of the PDL-100A

1.0

Programmable Delay Line Series_______

1.0.1 Introduction

The PDL-100A Programmable Delay Line (PDL) Instrument Series offers a

range of variable and programmable delay beginning from 0 delay (DC) to a

customer specified maximum delay limit of 100 nanoseconds (depending on

specific model) in a single system unit. With resolution precision to 0.50

picoseconds per step and wideband signal frequency input from DC to 18 GHz,

the PDL-100A is the finest programmable delay line instrument available in the

marketplace.

The base model PDL-100A-625PS offers electrical delay through a patented

electromechanical trombone unit with movement controlled by a high precision

stepper motor. Resolution is to 0.50 picoseconds and repeatability to 0.10

picosecond accuracy. Total delay range of the trombone only model PDL-100A-

000 is from DC to 625 picoseconds.

For models PDL-100A-1.25NS and above, delay range extensions consisting of

microwave relays and low-loss semi-rigid coaxial cable are added to extend the

delay range limit up to a customer specified maximum of 100 nanoseconds.

The Model Number of each specific instrument determines the maximum delay

range available. The last few characters of each model number indicate the total

delay range.

Model Number

PDL-100A-625PS

PDL-100A-1.25NS

PDL-100A-10.0NS

PDL-100A-20.0NS

PDL-100A-100.0NS

All signal input and output connections are easily accessible at the front panel and

are terminated with Female SMA (50 ohm impedance) connectors.

PDL-100A Series Instruments are programmable and can be locally controlled

through a MT-100A Microterminal (optional accessory available separately) or

remotely through GPIB (IEEE 488.2), TCP/IP Ethernet, or RS-232 Serial Port

interfaces.

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