RF-Links LD-MOS Broadcast UHF Power Amplifier (470-862 MHz) - Manual

ZD-500W
Voltage Supply 220Vac +15% -20% nominal
100-240Vac 50-60Hz for Pout up to 150Wrms
176-240Vac 50-60Hz for Pout over 150Wrms
Power Consumption 1500W @500W Ps Black Field @650MHz (typ.)
850W @150Wrms DVB-T @ 650MHz (typ.)
Current Consumption 7.5 A max @ 220 V PF > 0.97 analog application
Operating Temperature 0 to +45 °C
Humidity Up to 90% (non condensing)
Gain Stability 0 to 45 deg. +/-0.5dB 1
Gain 56dB nom. ±2dB (fine ADJ available)
Power Out (@1dB compression) Min. 600W (Typ. 700W)
Input Return Loss Min. -16dB (Typ. -20dB)
Output Return Loss Min. -18dB (Typ. –22dB)
Load Mismatch
(CW 500W F
0 860MHz VSWR=2:1) all phase angle
No degradation
P out Common Amplif. 550W Ps IMD < -46dB Red Field (without precorrection)
P out DVB-T 150Wrms shoulder < -36dBc (with precorrection)
DTV (8 VSB) 275Wrms
P out PEP 700W IMD < -27 dBc
Dimensions 19” 3HU std 600mm depth
2
Weight 21 Kg.
RF in N connector rear panel
RF out 7/16” connector rear panel
RF mon SMA connector rear panel
RS232 D 9 poles front and rear panel
RS485 D 9 poles rear panel
Local Enable Switch front panel Two-pole connector rear panel
LD-MOS BROADCAST
UHF POWER AMPLIFIER
ZD-500W is a full LD-MOS Broadcast Power Amplifier designed
for both digital and analog applications. The unit is the state of the
art in terms of easy assembly, reliability and performances. The
complete unit can assure the compliance to all relevant
international standards.
• Full LD-MOS Power Amplifier
• 500Wps Out
• 150Wrms Out DVB-T
• DTV (8 VSB): 275Wrms
• BroadBand (470-862 MHz)
• Designed for SKD sales
• Internal cabling free
• Easy maintenance without special tools
• RS232-RS485 interface
• Control software included
• Extremely strong mechanical structure
This picture is a mere example, it does not bind the provided product
Electrical Data
Mechanical data and Interfaces
1 WARM UP: To achieve the stability vs temperature correct value when the equipment is cold, please
wait 30 minutes at least after switching on. 2 See pag. 4
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