RDS PIRA32 Manual
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Contents
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PIRA32 Microcontroller© 2016 Pira.cz m32.pdf - page 114.2 Reference connection diagramThe reference connection diagram represents typical application for the PIRA32 Microcontroller.The application includes: Real time circuit with back-up battery Pilot tone recovery circuit for enabling RDS and pilot tone synchronization using MPX input signal RDS level set by onboard trimmer (either single- or multi-turn) Single RS-232 interface for setup and control purposes Mixing RDS and MPX to enable 'loopthrough' mode of operation for FM transmitters with no dedicatedRDS/SCA input4.2.1 Setting upAfter assembly, the setting up can be made in a few steps: Without any input signal connected, adjust 19 kHz (± 100 Hz) on pin 3 of the IC2 Initialize the EEPROM memory (in the Windows control software, select RDS Encoder - Special -Initialize, or follow the Technical manual)4.2.2 I/O connectors and control itemsJ5 OutputJ6 Optional pilot/MPX inputJP2 Loopthrough mode enabling jumperR27 RDS level adjust (0 to 1.4 V peak to peak)JP4 RDS level boost enabling jumper (RDS level ×2)POWER DC power supply input (8 to 16 V)JP1 Analog section power supply jumper. See the Technical manual fordetails. Can be replaced by a permanent connection.J1 Optional TA switch input (short to enable RDS TA)J2 Optional Program switch inputLED1 Operational LEDLED2 Pilot sync. LED |
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