BW Broadcast rds2+, Technical Manual, Page: 25 / 51

BW Broadcast Technical Manual
Page 25
Introduction
3. SPECIFICATIONS
General
Supply Voltage: 100-240 VAC, 50-60 Hz
Supply Current: 1A
Signal Connectors: Unbalanced BNC
Data Connector: RS232 (DTE, 9 pins), bidirectional
Communication Speed: Software switchable 1200, 2400, 4800, 9600, 19200 bps
Communication Mode: 1 stop bit, 8 data bits, no parity, (no flow control), ASCII or UECP
TA Switching: Software or external switch
TA/EON1TA Input: TTL with 10 kI pullup, level or edge activated
Program Switching: Software or external switch
Program Input: TTL with 10 kI pullup, level controlled
Expansion Bus Type: IIC, 400 kHz
RDS Services Directly Supported: PI, PS, PTY, TP, AF, TA, DI, M/S, PIN, RT,
EON, PTYN, ECC, LIC, TDC, IH, CT, ODA
RDS Signal
Subcarrier Frequency: 57 kHz
Sampling Rate: 361 kHz
Bandwidth:
± 2.4 kHz (50 dBc)
Output Level Adjust: Default is 0 - 1.4Vpp
Phase Shift Adjust: (For stereo transmission) full range, in 9.5 deg. steps
Audio/MPX/Pilot Input
Recommended Load Impedance (mono/stereo): <10kΩ / <5kΩ
Recommended MPX Voltage (JP1 1-2): 1.1 - 3.3V p-p
Recommended MPX Voltage (JP1 2-3, 12V): 1.1 - 8.0V p-p
Passthrough Voltage Gain (2Hz - 100 kHz): 1 (0 dB)
Minimum Pilot Tone Level: 110mV p-p (92 dBu)
Recommended Pilot Tone Level: 0.12 - 1.20V p-p
Pilot Tone Recommended FM Deviation: 6.8 kHz
Maximum Pilot Frequency and Offset: 19000Hz ± 4 Hz
Recommended Pilot Frequency and Offset: 19000Hz ± 1 Hz
Output
Output Impedance: 100Ω
Recommended Load Impedance: >70Ω, <1nF
Max. Output Voltage (RDS + MPX) (JP1: 2-3, 12V): 9V p-p
Recommended RDS Level: 3 - 11% of MPX
Note: p-p indicates peak-to-peak value