products   |   application notes   |   about us   |   contact us   |   home


The file format for our Application Notes is Adobe Portable Document File (PDF). Adobe Acrobat Reader is required and is a FREE download.

Get Adobe Reader

Application Notes Library

Colby Instruments Programmable Delay Line Instruments are used across a wide range of high-precision microwave and RF signal applications in Test and Measurement Laboratories, Electronic and Aerospace companies, Defense Systems, Fiber Optics, Telecommunications, Semiconductor Fabrication, and in leading University and Laser Research Labs in the United States and overseas. Our Application Notes Library highlights some of these applications.


Phase Noise Measurements and Jitter Analysis
The Agilent JS-1000 Performance Jitter Solution is a Phase Noise System that measures clock jitter characteristics and utilizes the Colby Instruments PDL-10A as a primary component in this OEM offering.
  5988-5291EN.pdf (1.7 MB)

Phase Noise Measurement System
The Aeroflex PN9000 Phase Noise Measurement System utilizes the Colby Instruments PDL-30A as a frequency discriminator since the Programmable Delay Line provides linear phase shift as a function of the frequency.
  PN90000ProductLine.pdf (4.1 MB)

Synchronizing differential clock sources for Bit Error Ratio Test (BERT)
Colby Instruments PDL-10A and PDL-30A are Programmable Delay Line front-end instruments used to synchronize data and clock sources for Agilent OmniBER 725 Bit Error Ratio Test equipment.
  5988-2861EN.pdf (1 MB)

Measuring Jitter in Digital Systems
Application note for engineers who design data transfer systems and components operating at over a gigabit per second concerned with jitter on their system's bit error rator (BER). Colby Instruments PDL instruments are critical components in high-precision jitter measurement analysis.
  5988-9109EN.pdf (2 MB)

Synchronizing clock sources for Agilent Pattern Generator 70841B
and Agilent Error Detector 70842B when evaluating Agilent 622.08 Mb/s OC-12 ATM-SONET/SDH Reference Design for Multimode and Single-Mode Applications.
  5980-0729E.pdf (613 KB)

Fine tuning clock source for Agilent Pattern Generator 70841B
and Agilent 70311A Clock Source when evaluating Agilent HDMP-163K Evaluation Board.
  5980-0729E.pdf (613 KB)

Synchronizing clock sources for Agilent Pattern Generator 70841B
and Agilent Error Detector 70842B when evaluating Agilent HFBR-0535 Gigabit/s Ethernet (1.25 GBd) 1x9 Fiber-Optic Transceiver Board.
  5980-0729E.pdf (613 KB)

Adjust mis-matched delay lines in Cypress Semiconductor Application Note
on Jitter in Transmission Systems.  Colby Instruments' PG1000A Pulse Generator, Custom Clock buffer and translator, and Programmable Delay Line (PDL-30A) instruments are used in Jitter Analysis.
  jitter.pdf (1 MB)

622 MBd ATM/SONET/SDH PHY Reference Design Development
utilizes Colby Instruments' PDL-10A in core system design.
  ref_design.pdf (413 KB)

Dewar-to-Dewar Data Transfer at 2 Gigabits per Second
Northrop Grumman and MIT Lincoln Lab use Colby Instruments PDL-10A to demonstrate 2 Gbps data transfer between superconductive digital chips through more than 3 meters of 50 ohm cable without using any semiconductor amplifiers in the critical data path.
  asc98jxp.pdf (1 MB)

NEC Corporation High-resolution Measurement by a High-T Superconductor Sampler
NEC Fundamental Research Laboratory Scientist use Colby Instruments PDL-10A in high resolution measurement system by a High-T Superconductor Sampler.
  ASC98_hidaka.pdf (276 KB)

-------------------------------------------------------------------------------------------

PG-1000A Pulse Generator User Manual
Colby Instruments PG-1000A Pulse Generator User Manual.
  PG1000A_USER_MANUAL (4.26 MB)

SG-5000A Signal Generator User Manual
Colby Instruments SG-5000A Signal Generator User Manual.
  SG5000A_USER_MANUAL (210 KB)

CPDL Operating and Programming Manual
Custom Programmable Delay Line (CPDL) Operating and Programming Manual.
  CPDL_MANUAL (12MB)

PDL-30A Operating and Programming Manual
PDL-30A Programmable Delay Line Operating and Programming Manual.
  PDL-30A-MANUAL (8MB)

PDL-100A Application for Windows XP
PDL-100A Instrument Application
  PDL-100A ZIP FILE (18MB)