Spectrum Compact 2013

Transcription

1 Spectrum Compact 2013

2 Applications Using Spectrum Compact during different stages MW radio lifecycle: Site survey Verifying radio configuration Seeking free channels Finding interference Radio link installation Antenna adjustment Cross-polarization adjustment Received signal power comparative measurements Site acceptance Investigation of the radio operation Investigation of the radio connection to antenna Saving spectrum curves Troubleshooting

3 Applications Verifying radio configuration before installation and performing diagnostics of the radio: Checking the frequency Checking bandwidth Checking Tx Power

4 Applications Seeking free channels Useful in license-free band e.g. 17GHz and 24Ghz radios Useful functionality in countries which have bad or no spectrum regulation.

5 Applications Finding interference Way better sensitivity and bandwidth resolution than built-in spectrum analyzers in a radio. Market leading noise floor -105 db The same spectrum shown in Lumina (left picture) and Spectrum Compact (right picture).

6 Applications Antenna adjustment Precise and fast antenna adjustment due to high resolution bandwidth and fast sweep speed. Can be attached to almost any antenna using standard flange waveguide adapters. Easily distinguish between main and side lobes using Max Hold function. Easier and faster installation without any additional device: e.g. radio, computer, cabling (data & power) and other Typical radiation pattern of a microwave antenna

7 Applications Small size antennas Antennas sized up to 1.2m have wider main beam and more evident side lobes. Typical error antenna is aligned on side lobes. Large size antennas Bigger antennas with higher gain have a narrow main beam and less relevant side lobes. Typical problem for installators finding the first signal from the far side site.

8 Applications Cross-polarization adjustment (Dual polarized Antenna adjustment) Dual polarized antenna installation requires precise angling to achieve the best attenuation between vertical and horizontal signals. In this case Spectrum Compact is very usefull. For correct XPIC functionality it is very important to align polarization for both antennas and ensure the highest cross-polarisation attenuation. Radiation pattern for two polarizations

9 Applications Received signal power comparative measurements Usable in Near LOS situations. Verify whether usable signal will be received at desired antenna location Helps to determine potential installation positions on the tower with the best received signal level

10 Applications Investigation of the radio operation and radio connection to antenna Verify polarization of the signal. Verify transmitted frequency. Verify antenna and radio proper inteconnection Find out absolute radiated power level from antenna by using values taken from Spectrum Compact and doing additional calculations

11 Saving spectrum curves Applications Save Spectrum curve for analysis, installation report, later comparison, troubleshooting. PC software Spectrum Manager for advanced processing of spectrum curves.

12 Applications Troubleshooting Interference detection Multipath detection Near and far site transmitter verification Detection of improper radio and antenna interconnection Investigate reasons of low received signal level: Antenna misalignment (side lobes, etc.) Wrong polarization Damaged antenna Damaged transmitter Damaged receiver Example of multipath detection

13 Other advantages Ultra-compact form factor Instant On/Off Resistive LCD touch-screen allows working even in gloves Saving of screenshots PC software for advanced processing of spectrum curves No laptop required for on-site use USB charging Battery life up to 4 hours

14 Technical data

15 Functionality List of Spectrum Compact functionality Continuous/single sweep; Frequency selection start, stop and centre frequencies; Span selection; Marker with peak function; Changeable offset and power level scale; Trace function: Peak hold, Overwrite, Average. Save and review of spectrum curves; Draw function for taking notes.

16 Compatibility with antenna and radio manufacturers Antennas sized above 1.8 m typically have remote flange pattern, e.g. they have a standard waveguide flange. Some smaller sized antennas also have a remote flange pattern. This is radio and antenna manufacturer dependent. REMEC adaptations Some REMEC to waveguide adapters are available from SAF immediately.

17 Compatibility with antenna and radio manufacturers An example of Andrew antennas flanges Radio Manufacturer Standard WG flange 1 Ericsson X 2 Huawei X Proprietary flange Notes 3 NEC X Standard WG flange for frequencies 18 GHz and above 4 Alcatel Radio dependent 5 NSN SRAL and Flexihopper antennas have standard WG flange 6 Ceragon X 7 Aviat X 8 SIAE X 9 Dragonwave X 10 Remec X 11 Nera Antennas for Evolution radios have standard WG flange * Antenna flange pattern might differ for older and some specific antennas.

18 Accessories SMA-SMA cable, 30 cm Rugged RF cable for frequencies from DC to 50 GHz Excellent shielding effectiveness Waveguide adapters to SMA Instead of standard waveguide adapters there are planned special modified ones, for attaching of which you don t need any screws, or screwdriver. Four adapters will be available each with different frequency range.

19 Accessories USB charger Universal USB charger which fits AC sockets of different types. Output of 1.0 A. Good quality USB cables. Lanyard Lanyard for attaching the unit to the hand of installer or the antenna for security.

20 Accessories Belt Bag Leather bag, which fits one Spectrum Compact unit, SMA cable and one waveguide adapter. Bag can be attached to the belt. Packaging Standard SAF packaging made from cardboard with a additional colorful layer on the outside.

21 Additional accessories Attenuators Coaxial attenuators for making measurements by connecting directly to the radio. Small antenna Small size portable antenna. Two frequency ranges: GHz GHz

22 Additional accessories Protective case Watertight and shockproof case with a soft padding inside.

23 Thank you! SAF Tehnika JSC 24a, Ganibu dambis, Riga, Latvia