Description
FM BAND SPECTRUM AND MODULATION ANALYZER RDS/RBDS DECODER-READERWITH BUILT-IN GPS RECEIVER
“Band Scanner GPS” is a tool to evaluate FM broadcast band congestion and to log station identification parameters.”Band Scanner GPS” is a Google Earth compatible tool for visualization of collected FM Radio measurements. When running any campaign with the “Band Scanner GPS”, results will be saved in a Log file. “Band Scanner GPS” can then convert this file into KMZ format an view the results in Google Earth. The Log file can be exported also as transitional format for future analyze or to keep it in record. The “Band Scanner GPS” can measure RF level, MPX deviation, Left & Right Audio levels, RDS and Pilot injection levels. The system is powered by the USB port of any Windows PC. Supplied free of charge Windows software sweeps the receiver across the FM band, logging every carrier and generating a spectrum display of carrier level vs. frequency. It then analyzes each carrier and creates a station list. Stations with an RDS presence are further refined to show all the radio data groups being transmitted. Its interface is like a portable radio: It may be tuned manually through the receiver screen or by double-clicking a point on the spectrum plot or an entry on the station list. Spectrum plots may be saved as jpg or bmp files. The RDS data error level is graphed in a separate window on the receiver screen. The program can be monitored with headphones plugged into a standard 1/8″ jack.
FM receiver
FM frequency 87.0 – 108.0 MHz
Strong fields AGC
RF level evaluation ± 4dB from 20°C to 30°C;
20-60dBµV without modulation
Dynamic 0 to 54.6(60 with int. Att)dBµV
Attenuator 6dB built-in, manual operation
Stereo separation >20dB
Typical separation Approximately 26dB to 35dB
Measurement validity RF level preferably > 50dB
Multiplex level 1000 samples over 1 second
Audio level 1000 samples over 1 second
Pilot level 1000 samples over 1 second
RDS level 1000 samples over 1 second
Accuracy of MPX ± 5KHz, ± 2KHz typ
Accuracy of audio ± 5%
Accuracy of sub-carrier ±10% typ. not guaranteed
FM Antenna input
Connector ‘F’ on rear panel
Impedance 75
GPS receiver
Number of channels 12
Antenna Pre-amplified, magnetic
Connector SMA, rear panel
User interface
Indicators 4 LEDs
Headphone output 1/8’’ (3.5mm) phone jack
Operating Conditions
Temperature 10° and 40°C
EMC immunity 6V/m
Power Requirement
Power supply USB powered
Connector B-type, front panel
Size and Weight
Dimensions (WxHxD) 2.9″ x 1″ x 4.3”
Weight 2 lbs
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