Com-Power CG-515 User Manual
Features
Reference noise source - For site verication
Wide frequency band
Conducted and radiated noise
Small Size - To test small enclosures
Battery Powered - For accuracy and convenience
Two Year Warranty
Comb Generator
CG-515
Description
The CG-515 Series Comb Generators are reference signal
sources providing frequency harmonics at preset frequency
intervals. The output signal of the Comb Generator is used
as a conducted or a radiated signal source.
As a conducted signal source, the output is available directly
from the connector. Two antennas are supplied with the
Comb Generator for generating radiated reference signals.
The Comb Generator is powered by a rechargeable internal
battery. Battery power eliminates any possible measurement variations that can be caused by an external power
cable connection. When fully charged, the battery allows
continuous operation for up to 18 hours. Internal control
and monitoring circuits provide indications of valid output
signals.
A battery charger is included with the Comb Generator.
The Comb Generator and accessories are shipped in a
wooden storage box.
Application
The most important application of a Comb Generator,
is trouble shooting Open Area Test Sites (OATS). An
OATS must be completely calibrated before it is put
into service. When the validity of the test data taken at
an OATS is in doubt after it is put into service, it is not
always practical to perform complete site calibration.
The Comb Generator is a quick calibration tool that
can help identify potential problems with the site. For
instance, emission measurements taken from a product
at two different test sites can sometimes vary. It is very
difcult to determine the cause of the variation. Using
the same test setup, measurement can be taken with a
Comb Generator in place of the product at both sites.
The data can be compared to determine if variation is
due to the product or the test site.
Other uses of the Comb Generator include evaluating
shielding effectiveness and /or resonance performance
of enclosures for electronic equipment. Shielding performance of an enclosure can be evaluated simply by
comparing the noise with and without an enclosure. The
Comb Generator can also be used for production evaluation of components, such as cables and lters.
Com-Power Corporation (714) 528 - 8800 www. com-power.com sales@com-power.com
Specications
Model CG-515 Conducted Output
5 MHz step Peak Readings
AMPLITUDE [dBuV]
10
20
30
40
50
60
70
80
90
100
110
5
1500
10
100
1000
EN 55022 Class B (Avg)
Frequency Range: 1 MHz - 1500 MHz
Step Size: 1 and 5 MHz.
Antennas: 12 inch (upto 540 MHz ) and 3 inch (above 540 MHz)
Impedance: 50 Ohm
Connector: BNC
Battery: 6 V NimH
Charger Input: 6 V DC, 500 mA
Weight: 4 lbs. 1.8 kg
Dimensions ((L x W x H): 3 x 3 x 3 inches , 96 x 127 x 63 cm
Typical conducted output 1 MHz and 5 MHz step
All values are typical values unless specied.
All specifactions are subject to change without notice.
Com-Power Corporation 114 Olinda Drive, Brea, California 92823 (714) 528 - 8800 www.com-power.com
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