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Com-Power CGO-515 Instruction Manual

Com-Power CGO-515 Instruction Manual

Comb generators

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CGO-501, CGO-505 and CGO-515 Comb Generators
Page 1 of 14
INSTRUCTION MANUAL
for the
CGO-Series
Comb Generators
Models: CGO-501, CGO-505 & CGO-515
1 & 5 MHz step
(949) 459-9600
www.com-power.com
Rev. 021020

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Summary of Contents for Com-Power CGO-515

  • Page 1 CGO-501, CGO-505 and CGO-515 Comb Generators Page 1 of 14 INSTRUCTION MANUAL for the CGO-Series Comb Generators Models: CGO-501, CGO-505 & CGO-515 1 & 5 MHz step (949) 459-9600 www.com-power.com Rev. 021020...
  • Page 2 CGO-501, CGO-505 and CGO-515 Comb Generators Page 2 of 14 (949) 459-9600 www.com-power.com Rev. 021020...
  • Page 3: Table Of Contents

    CGO-501, CGO-505 and CGO-515 Comb Generators Page 3 of 14 Table of Contents Product specifications ………………………………………………………… 3 Important precautions and maintenance...…………………………………...4 Warranty information ………………………………………………………… 5 Product Description …………………………………………………………… 6 Controls & Indicators……………………………………………………………7 Theory ………………….…………………………………………………………8 Application…………….…………………………………………………………9 Typical radiated output....................11 (949) 459-9600 www.com-power.com...
  • Page 4: Product Specifications

    This manual provides on how maintain and use the Comb Generator. Information contained in this manual is the property of Com-Power Corporation. It is issued with the understanding that none of the material may be reproduced of copied without permission from Com-Power.
  • Page 5: Important Precautions And Maintenance

    There are no user serviceable parts inside the unit. User modifications to the Comb Generator will void warranty. The Comb Generator uses rechargeable NimH batteries. Call the factory if the battery needs replacement. Send Comb Generator to authorized Com-Power service center if needs repair. Please visit our website at www.com- power.com...
  • Page 6: Warranty Information

    Page 6 of 14 Warranty Com-Power warrants to its Customers that the products it manufactures will be free from defects in materials and workmanship for a period of 3 years. This warranty shall not apply to: a) Transport damages during shipment from your plant.
  • Page 7: Product Description

    The Comb Generators can also be used for comparing two or more sites with similar setup. They can also be utilized as conducted signal sources for testing Line Impedance Stabilization Network (LISN), filters and cables. Items included with Comb Generators Equipment, accessories, and documents supplied with the models CGO-501, CGO-505 and CGO-515 Comb Generators are as follows: User's guide...
  • Page 8: Controls & Indicators

    CGO-501, CGO-505 and CGO-515 Comb Generators Page 8 of 14 Controls and indicators Power on Switch This is located on the side of the Comb Generator, and is for powering the Comb Generator on and off. The RF output of the generator is active whenever the generator is on, except during a low battery condition.
  • Page 9: Theory

    An ideal impulse, by definition is an infinite magnitude pulse with zero rise and fall time with zero duration. Such a pulse is not practical; however, the Model CGO-501,505 and 515 Comb Generators use this principle to get an output across a wide band. The highly stable frequency output from the oscillator is used to generate an impulse with very short duration and sharp rise and fall times.
  • Page 10: Application

    CGO-501, CGO-505 and CGO-515 Comb Generators Page 10 of 14 Application Radiated Emissions EMI test sites such as Open Area Test Site (OATS) or Anechoic chambers are constructed with specific requirements and are calibrated in a precise manner to optimize the reliability of the emissions measurements.
  • Page 11 CGO-501, CGO-505 and CGO-515 Comb Generators Page 11 of 14 Compare these levels with subsequent measurements to make sure that the pattern does not have abrupt change from the established daily log at any frequency. This log is used to detect any test equipment or test site related problems, as described below.
  • Page 12: Typical Radiated Output

    The following graphs show the typical radiated and conducted output levels for the respective comb generators: Figure 1: CGO-501 – Conducted Output Figure 2: CGO-501 – Radiated Output at 3-meters distance (antenna height fixed @ 1 meter) (949) 459-9600 www.com-power.com...
  • Page 13 CGO-501, CGO-505 and CGO-515 Comb Generators Page 13 of 14 Figure 3: CGO-505 – Conducted Output Figure 4: CGO-505 – Radiated Output at 3-meters distance (antenna height fixed @ 1 meter) (949) 459-9600 www.com-power.com Rev. 021020...
  • Page 14 CGO-501, CGO-505 and CGO-515 Comb Generators Page 14 of 14 Figure 5: CGO-515 (1 MHz step) - Conducted Figure 6: CGO-515 (5 MHz step) - Conducted Figure 7: CGO-515 (1 MHz step) - Radiated Figure 8: CGO-515 (5 MHz step) – Radiated (949) 459-9600 www.com-power.com...