CGE02 - Comb Generator Emitter

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[CGE02R with BP01 battery pack]
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A harmonic spectrum reference signal source with a comb output characteristic generating radiated and conducted emissions up to 26GHz with 250 or 256MHz step size options.

Stable output
Repeatable measurements
Conducted and radiated output options
Evaluation of both conducted and radiated systems
250 MHz to 26 GHz output
Applications across a broad, high frequency spectrum
Applicable to harmonics of high frequency systems
Compact and Portable
Comparisons between sites and environments
Shielding effectiveness measurements even of small enclosures
Battery powered
No power or interconnecting cable effects on measurements

The CGE02 is a broadband comb generator emitter with a class leading useable output from 250MHz to 26GHz. In contrast to the comparison noise emitters (CNEs), the comb generator approach has been adopted because it lends itself more to higher frequency applications. At higher frequencies the comb spectrum gives a higher output at specific frequencies which enable measurements to be made at those frequencies. It also allows a much smaller physical construction due to reduced power consumption enabling it to be used for shielding effectiveness measurements on small enclosures.

Radiated Emissions

[CGE02R with BP01 battery pack]

Available either with an integral monocone antenna or with a detachable monocone antenna the CGE02 can be used as a reference source for radiated emissions. The unit is battery powered so that it can be operated as an independent source without the effect of power or interconnecting cables, which would modify the fields generated. Additionally though, for making measurements of small enclosures, the actual emitter can be separated from the battery pack and operated remotely via a cable carrying only DC power. The CGE02 is housed in a plated metal cylindrical enclosure, thus ensuring uniformity of the field and can be orientated to give vertical or horizontal polarisation. Additionally external antennas can be attached to the output when required.

Conducted Emissions

[CGE02C with BP01 battery pack]

The CGE02C is supplied with a 50Ω SMA connector allowing it to be used either for the investigation of conducted systems or to be used with an external antenna. The known output allows unknowns within systems or components to be measured or calculated.


Applications

Specifications

Specifications
Frequency Range 250 MHz to 26 GHz direct connection into a 50Ω system
250 MHz to 26 GHz radiated using an integral antenna
Step Size 250 MHz or 256 MHz switchable
Output connector 50Ω SMA socket
Temperature stability 15°C to 35°C <1dB
Time stability Typically <1dB over a 12 month period
Dimensions 76mm diameter × 64mm (74mm including connector) - CGE02C with battery pack
76mm diameter × 18mm (28mm including connector) - CGE02C without battery pack
76mm diameter × 92mm - CGE02R with battery pack
76mm diameter × 46mm - CGE02R without battery pack
Weight Approx 550g (including battery)
Power supply 5V 2AHr battery pack. External input 5.00V ± 0.25V, 300mA
Operating Time 6.5 hours typical with fully charged battery pack
Indicators Active, lower step size - green LED
Active, higher step size - red LED

Standard Order Kits

Part Number Description Parts Included
CGE02KIT01
CGE02KIT01
Standard CGE02C comb generator emitter (conducted output) kit with battery charger
  • CGE02C conducted reference signal source
  • BP01 Rechargeable battery
  • Universal input battery charger
  • CAL14 Standard test
  • Hard case
CGE02KIT02
CGE02KIT02
Standard CGE02R comb generator emitter (radiated output) kit with integral monocone antenna and battery charger
  • CGE02R radiated reference signal source with integral antenna
  • BP01 Rechargeable battery pack
  • Universal input battery charger
  • CAL10 Standard test
  • Hard case
CGE02KIT03
CGE02KIT03
Enhanced CGE02C comb generator emitter (conducted output) kit with detachable monocone antenna and battery charger
  • CGE02C conducted reference signal source
  • MCN02 detachable monocone antenna optimised 1GHz - 26GHz
  • BP01 Rechargeable battery
  • Universal input battery charger
  • CAL14 Standard test
  • Hard case

Accessories

Accessories
MCN02 Antenna Detachable monocone antenna optimised 1GHz - 26GHz
BP01 Battery Pack 5V 2AHr battery pack

Output Measurement Results

Output Measurement Results
CAL10 Radiated Output 1 to 26GHz electric field strength in FAR using a spectrum analyser at 1m
CAL14 Direct Output 0 to 26GHz power measurement using spectrum analyser

Typical Output Measurement Results

Output plot of CGE02C - Direct Output Power - 250MHz Comb Spacing Output plot of CGE02C - Direct Output Power - 256MHz Comb Spacing
Output plot of CGE02R - Integral Antenna Electric Field Strength - 3m - 250MHz Comb Spacing 1 - 18GHz Output plot of CGE02R - Integral Antenna Electric Field Strength @ 3m - 250MHz Comb Spacing 18 - 26GHz
Output plot of CGE02R - Integral Antenna Electric Field Strength @ 3m - 256MHz Comb Spacing 1 - 18GHz Output plot of CGE02R - Integral Antenna Electric Field Strength - 3m - 256MHz Comb Spacing 18 - 26GHz

Further details can be obtained from:

York EMC Services
University of York
Heslington
York
YO10 5DD

 

Tel: +44 (0)1904 324440
Fax: +44 (0) 1904 324434
E-mail: enquiry@yorkemc.co.uk

Last checked: 2009-May-13

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