Com-Power CG-515 Comb Generator 1 MHz - 1500 MHz

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.

 

Features

  • Reference noise source – For site verification
  • Wide frequency band
  • Conducted and radiated noise
  • Small Size – To test small enclosures
  • Battery Powered – For accuracy and convenience

Com-Power CG-515 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 difficult 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 filters.

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Specifications

Frequency Range

1 MHz – 1500 MHz

Step Size

1 and 5 MHz

Antennas

12 inch (up to 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

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