Liaison Faisceau 8.5Ghz
Liaison Faisceau 8.5Ghz
Description
Liaison Faisceau 8.5Ghz
Liaison Faisceau 8.5 GHz haute qualité, permet d’ acheminer les signaux audio stereo (MPX) entre le studio et le site d’émission.
Pont hertzien 8.5 GHz – avec antennes paraboliques 0,70cm
Eletec Broadcast commercialise des ponts radio pour toutes les nécessités de transmission et de réception, grâce à des unités innovantes aux excellentes performances, accompagnées d’une grande fiabilité.
TECHNICAL SPECIFICATIONS
GENERAL
Standard primary power 220/230 VAC, 10%, 50 Hz 2 Hz
Optional primary power (special order) 110/120 VAC, 10%, 60 Hz 3 Hz.
Storage temperature range from – 40 C° to + 70 C°
Outdoor Unit – RF Head
Operating temperature range from – 10 C° to + 45 C°
Weatherproof aluminium alloy head dimensions L = 260, W = 210, H = 130 mm
Weight 3 KG
Indoor Unit – IF/BB Chassis
Operating temperature range from + 5 C° to + 45 C°
19 inch standard chassis (1 unit) dimension L = 350, W = 483, H = 44 mm
Weight 4 kg
FREQUENCY RANGE 7 – 10 GHz
TRANSMITTER & RECEIVER RF HEADS
L.O frequency stability ± 100 PPM, (- 10 to + 45 C°)
Standard RF output power + 23 dBm
Optional RF output power + 27 dBm
Receiver noise figure < 6 dB AUDIO SUB-CARRIERS Subcarriers 2 Available subcarrier frequencies any from 6 to 11 MHz Subcarrier deviation peak to peak 200 KHz (input = 400 Hz, 0 dBm)
INPUT / OUTOUT PARAMETERS Audio Audio Channels 2 Input / Output connectors BNC female Input / Output impedance 600 Ohm Return loss > 20 dB
Nominal Input / Output level 0 dBm
Video
Video Channels 1
Input / Output connectors BNC female
Input / Output impedance 75 Ohm
Return loss > 26 dB from 100 KHz to 6 MHz
Nominal Input / Output level 1 Vpp
PERFORMANCE
Audio Channels
Unweighted Signal to Noise Ratio > 55 dB
Total harmonic distortion < 1 % (from 50 Hz to 15 KHz)
Frequency response ± 1 dB (from 50 Hz to 15 KHz)
De-emphasis 50 µS
Video Channel
Luminance bar amplitude < 2 % Weighted S/N Ratio > 55 dB (RFin = – 40dBm)
Differential gain < 5 %
Differential phase ± 3
