YRS01 - York Reference Source

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The YRS01 is a multi-mode reference source capable of producing a broadband noise or comb output up to 1GHz.

Selectable noise or comb output
Flexibility across a range of applications
Stable output
Repeatable measurements
5 kHz to 1 GHz output
Applications across a broad frequency spectrum
Compact and portable
Comparisons between sites and environments
Battery powered
No power or interconnecting cable effects on measurements

The YRS01 is a broadband noise and comb source that is capable of producing a continuous noise output from 9 kHz to 1 GHz, or a comb of frequencies within the 5 kHz to 1 GHz range, with step size being selected by the user. The noise generator enables observation of details over the full spectral range, while the comb generator allows for the reference signal output and noise floor to be viewed simultaneously.

The YRS01 is compatible with the BP01 battery pack, or alternatively can be powered using an external USB supply.

The YRS01 has been designed specifically to complement the CGE range of comb generators, and can be supplied as part of the CGE kits to provide a reference source solution covering 5 kHz to 18 GHz and over.

Radiated Emissions

For radiated operation two monopole antennas, optimised for different frequency bands, are available which attach to the top of the unit. The YRS01 is an ideal source for carrying out checks on open area test sites (OATS) and anechoic chambers.

The YRS01 is compact and battery powered, allowing operation as an electrically small source, which minimises the effect of the YRS01 itself when characterising the electromagnetic environment. The YRS01 is housed in a metal enclosure so that it can be mounted in direct contact with a metal ground plane as may be required by some tests.

Conducted Emissions

An N-type connector provides a direct 50Ω matched output, which can be used to carry out checks on conducted measurement systems. Two adaptors are available as optional accessories:

Applications

Specifications

Specifications
Noise mode
Frequency Range 9 kHz to 1 GHz direct connection into a 50Ω system
30 MHz to 1 GHz radiated using TLM02 and MON03 monopole antennas
Temperature stability
(9 kHz to 1 GHz)
15°C to 30°C: <±1dB
5°C to 40°C: <±2.5dB
Time stability <1dB (typical over a 12 month period)
Operating Time 7.5 hours (typical with fully charged battery pack)
Comb mode
Frequency Range 5 kHz to 1 GHz direct connection into a 50Ω system
30 MHz to 1 GHz radiated using TLM02 and MON03 monopole antennas
Comb Signal Step Size Selectable between:
10 kHz (5 kHz, 15 kHz, 25 kHz … 3.005 MHz min.)
100 kHz (50 kHz, 150 kHz, 250 kHz … 30.05 MHz min.)
1 MHz (0.5 MHz, 1.5 MHz, 2.5 MHz … 300.5 MHz min.)
5 MHz (2.5 MHz, 7.5 MHz, 12.5 MHz … 1.0025 GHz min.)
Temperature stability Amplitude: (5 kHz to 1 GHz)
15°C to 30°C: <±0.5dB
5°C to 40°C: <±1dB
Frequency
5°C to 40°C: <±0.5 ppm
Time stability <1dB (typical over a 12 month period)
<±1ppm (typical over a 12 month period)
Operating Time 8.5 hours (typical with fully charged battery pack)
Other
Output connector 50Ω N-type socket
Dimensions 76mm diameter × 35mm (56mm including connector) - without battery pack
76mm diameter × 81mm (102mm including connector) - with battery pack
Weight 0.6kg (including battery)
Power supply 5V 2AHr battery pack (Order code BP01).
External input 5.00V ± 0.25V, 300mA (mini-USB type B connector)
Indicators Active - green LED
Battery Low - red LED
Controls Rotary switch for mode selection

Standard Order Kits

Part Number Description Parts Included
YRS01KIT01 Standard YRS01 reference source kit with antenna
  • YRS01 reference source
  • BP01 Rechargeable battery
  • Universal input battery charger
  • 200 MHz to 1 GHz (optimum) 270 mm long monopole antenna – MON03
  • Hard case
  • Manual
  • Standard test CAL16
YRS01KIT02 Enhanced YRS01 reference source kit with multiple antennas and LISN adaptor
  • YRS01 reference source
  • BP01 Rechargeable battery
  • Universal input battery charger
  • 30MHz to 300MHz (optimum) 290mm long top-loaded monopole - TLM02
  • 200 MHz to 1 GHz (optimum) 270 mm long monopole antenna – MON03
  • LISN adapter with IEC-style connection – LSA03
  • Hard case
  • Manual
  • Standard test CAL16

Accessories

Accessories
TLM02 Antenna 30MHz to 300MHz (optimum) 290mm long top-loaded monopole
MON03 Antenna 200 MHz to 1 GHz (optimum) 270 mm long monopole antenna
LSA03 Direct Coupler LISN adaptor with IEC socket
NIA01 Direct Coupler ISN adaptor with two data socket outputs
  • 6 way RJ11/RJ14/RJ25 socket
  • 8 way RJ45 socket

Output Measurement Results

Output Measurement Results
CAL16 Direct Output 0 to 1GHz power measurement using spectrum analyser, all modes
CAL17 Radiated Output 30 MHz to 1 GHz horizontal and vertical polarisation electric field strength on OATS using receiver, either 3 m or 10 m test distance. Results for noise, 1 MHz and 5 MHz comb modes.
CAL18 Radiated Output 30 MHz to 1 GHz horizontal and vertical polarisation electric field strength in FAR using spectrum analyser at 3 m test distance. Results for noise, 1 MHz and 5 MHz comb modes.

Typical Output Measurement Results - Noise Mode

YRS01 - Direct Output Power - to 500 kHz YRS01 - Direct Output Power - to 30 MHz YRS01 - Direct Output Power - to 1 GHz
YRS01 - MON03 Antenna - Electric Field Strength - 3m - Vertical YRS01 - MON03 Antenna - Electric Field Strength - 3m - Horizontal

Typical Output Measurement Results - Comb Mode

YRS01 - Direct Output Power - to 3 MHz YRS01 - Direct Output Power - to 30 MHz YRS01 - Direct Output Power - to 300 MHz YRS01 - Direct Output Power - to 1 GHz
YRS01 - MON03 Antenna - Electric Field Strength - 3m - Vertical YRS01 - MON03 Antenna - Electric Field Strength - 3m - Horizontal

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: 2012-Oct-01

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