VISSONIC Electronics Limited www.vissonic.com
3.8
Connection between the radiator
and the transmitter
Attention: When cascading the radiator, the BNC
connector of the last radiator in the cascading chain
which is left unused should be connected to a load
resistance of 75Ω in order to match the impedance to
avoid signal reflex.
3.9
Controls and indicators
◆
Input signal indicated with the radiation LED
◆
Output power switch
◆
Delay compensation LCD
◆
Delay compensation buttons(-/+)
3.10
Interconnection
◆
HF input and output connectors(2 x BNC) for
connection to transmitter and loop-through to other
radiators
3.11
Specification
Electrical and optical
Modulation ....................................... DQPSK, according to
IEC61603-7
Modulation frequency
Carriers 0 to 5 ............................. 2 to 6 MHz, according to
IEC 61603-7
Carriers 6 to 7 ............................. Up to 8 MHz
Angle of half intensity ............................ ± 25°
HF input… ........................ Nominal 1 Vpp,75 Ohm
HF output… ........................ 1 Vpp,6V DC,75Ohm
Power Supply ........................................ 100V-240V AC
50/60Hz
Max. Power…..................................... 36W
Static Power… ..................................... 3W
Automatic switching-on voltage
level ........................................ 100mV Radiating signal
Radiation distance .......................................... 76m
Digital IR Language Distribution System User Manual
15
