2
Table of Contents
Related Documents ........................................................................................................................................................... 2
Introduction ...................................................................................................................................................................... 3
Main highlights ...................................................................................................................................................................................3
Measurements, indications and outputs ...............................................................................................................................................3
Electromagnetic compatibility ............................................................................................................................................................4
Technical Specifications ................................................................................................................................................... 5
General ................................................................................................................................................................................................5
Antenna (RF) Input .............................................................................................................................................................................5
Measurements .....................................................................................................................................................................................6
MPX Input ..........................................................................................................................................................................................6
Alarm Outputs .....................................................................................................................................................................................6
Headphones audio output ....................................................................................................................................................................7
Internal RDS/RBDS Decoder ..............................................................................................................................................................7
Side connectors and controls ...............................................................................................................................................................8
Power supply .......................................................................................................................................................................................9
Mainboard composition .................................................................................................................................................................... 10
Alarm outputs .................................................................................................................................................................................... 12
Operating Instructions ................................................................................................................................................... 13
Power-up ........................................................................................................................................................................................... 13
Control buttons .................................................................................................................................................................................. 13
Menu ................................................................................................................................................................................................. 13
RF Measurements ........................................................................................................................................................... 16
Signal quality .................................................................................................................................................................................... 16
Overall frequency deviation (peak frequency deviation)................................................................................................................... 19
Pilot deviation ................................................................................................................................................................................... 19
RDS deviation ................................................................................................................................................................................... 19
Pilot-to-RDS phase difference........................................................................................................................................................... 20
Modulation power (MPX power, P
m
) ................................................................................................................................................ 20
Frequency deviation histogram ......................................................................................................................................................... 21
Service details ................................................................................................................................................................................... 22
Simple stereo balance meter .............................................................................................................................................................. 22
Carrier frequency offset .................................................................................................................................................................... 23
Radio Data System decoding ............................................................................................................................................................ 24
USB and COM Port Communication ........................................................................................................................... 28
Connecting the FM analyzer to a PC ................................................................................................................................................. 28
Communication speed selection (autobaud feature) .......................................................................................................................... 28
List of commands and configuration registers................................................................................................................................... 29
Data format ....................................................................................................................................................................................... 33
Other Features ................................................................................................................................................................ 35
Firmware update ............................................................................................................................................................................... 35
Precise carrier frequency offset measurement ................................................................................................................................... 35
Annexes ............................................................................................................................................................................ 36
Memory map ..................................................................................................................................................................................... 36
Mainboard mechanical drawing ........................................................................................................................................................ 37
Control interface (J3) connection example ........................................................................................................................................ 38
Related Documents
Visit the Website for the latest documentation version and the following additional documentation:
FM Scope - User Guide (http://pira.cz/fm_broadcast_analyzer/fmscope.pdf)
RDS Spy - RDS Decoder for Windows (http://rdsspy.com/download/mainapp/rdsspy.pdf)
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