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.
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 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.
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...
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.
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.
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.
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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.
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...
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