AU50-D
Conctat Res-Ingenium, +39 0763 316333 Fax +39 0763316002- or visit www.res-ingenium.com for a complete listing.
GR00294 Issue: 0
Date: 10/09/2002
Rev: 10
Date: December 2006 Pag. 1/6
80Wrms DVB-T/250W p-synk UHF Amplifier
AU50-D 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
• 250W Out ps
• 80Wrms Out DVB-T
• DTV (8 VSB): 140Wrms
• 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
Electrical Data
Voltage Supply 220Vac +15% -20% nominal
100-240Vac 50-60Hz for Pout up to 100Wrms
176-240Vac 50-60Hz for Pout over 100Wrms
Power Consumption 800W @250W Ps Black Field @650MHz (typ.)
450W @80Wrms DVB-T @650MHz (typ.)
Current Consumption 3.6 A max @ 220 V analog application
Operating Temperature 0 to +45 °C
Humidity Up to 90% (non condensing)
Gain Stability 0 to 45 deg. +/-0.5dB1
Gain 56dB nom. ±2dB (fine ADJ available)
Power Out (@1dB compression) Min. 300W (Typ. 350W)
Input Return Loss Min. -16dB (Typ. -20dB)
Output Return Loss Min. -18dB (Typ. –20dB)
Load Mismatch
(CW 250W F0 860MHz VSWR=2:1) all phase angle
No degradation
Pout Common Amplif. 250W Ps IMD < -47dBc Red Field (without precorrection)
Pout DVB-T 80Wrms shoulder < -36dBc (with precorrection)
DTV (8 VSB) 140Wrms
Pout PEP 400W IMD < -27 dBc
Mechanical data and Interfaces
Dimensions 19” 3HU std 400mm depth2
Weight 15 Kg.
RF in N connector rear panel
RF out N 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
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.
2See pag. 4
This picture is a mere example, it does not bind the provided product
AU50-D
Conctat Res-Ingenium, +39 0763 316333 Fax +39 0763316002- or visit www.res-ingenium.com for a complete listing.
GR00294 Issue: 0
Date: 10/09/2002
Rev: 10
Date: December 2006 Pag. 2/6
Block Diagram
RF
Output
Directional
Coupler
RF
Control
RF
Input
DC
AC
P.DRV DRV
DRV
RS232
RS485
LDU05M
Logic
Unit
LDU400C
LDU25
Remote control
Enable3 RF Enable ON/Stand By
GAIN (option) Gain setting
Readable data by remote computer or Control Logic Unit (through RS232/RS485)
STATUS/ALARMS NOTES
Enable ON/STAND BY
RF Faults ACTIVE if Gain < 6dB referred to nominal
°C max ACTIVE when RF Thermal Protection is ON
Pin max ACTIVE when RF Overdrive Protection is ON
VSWR max ACTIVE if VSWR max Protection is ON
I max ACTIVE when Current is too high
MEASUREMENTS
RF in Input Power in mW (PS for analog, RMS for DVBT)
RF out Output Power in W (PS for analog, RMS for DVBT)
RF DRV RF Driver Output in W (PS for analog, RMS for DVBT)
RF Heatsink Temperature Temperature in °C
IDC Driver Value in A
IDC Final Stage Value in A
VDC PS Output Voltage
Self Protections
RF Thermal Protection
Overdrive Pin max must be set on the working channel with the used
DVB-T or Analog signal
VSWR max VSWR max must be set on the working channel with the used
DVB-T or Analog signal
I max
3An output on the rear panel can manage the external Power Supply ON/OFF. The external PS will be switched OFF in case of alarm.
AU50-D
Conctat Res-Ingenium, +39 0763 316333 Fax +39 0763316002- or visit www.res-ingenium.com for a complete listing.
GR00294 Issue: 0
Date: 10/09/2002
Rev: 10
Date: December 2006 Pag. 3/6
In channel IMD vs Frequency
Four-tone test -5, -16, -13, -20 dB ref. 250W
-60
-55
-50
-45
-40
400 450 500 550 600 650 700 750 800 850 900
Frequency (MHz)
IMD (dBc)
Without precorrection
SHOULDER vs FREQUENCY
50Wrms DVB-T
-40
-35
-30
-25
-20
400 450 500 550 600 650 700 750 800 850 900
Frequency (MHz)
dBc
Without precorrection
Note: By the use of UBS DVB-T Modulator Mod. PT8750 + PT8731 option, and the proper precorrection,
the AU50-D is able to deliver 80Wrms at better than –36dBc shoulders on all the band.
AU50-D
Conctat Res-Ingenium, +39 0763 316333 Fax +39 0763316002- or visit www.res-ingenium.com for a complete listing.
GR00294 Issue: 0
Date: 10/09/2002
Rev: 10
Date: December 2006 Pag. 4/6
AU50-D
Conctat Res-Ingenium, +39 0763 316333 Fax +39 0763316002- or visit www.res-ingenium.com for a complete listing.
GR00294 Issue: 0
Date: 10/09/2002
Rev: 10
Date: December 2006 Pag. 5/6
IMPEDENCE SELECTOR
RF OUTPUT
RF MONITOR
EXTERNAL ENABLE
GROUND
RS485
AC LINE
FUSE
RS232
RF INPUT
RESET
MAINS
VDC
RS232
FAULT
EXT ENABLE
ENABLE SWITCH
GAIN ADJUSTMENT
DERATING
AU50-D
Conctat Res-Ingenium, +39 0763 316333 Fax +39 0763316002- or visit www.res-ingenium.com for a complete listing.
GR00294 Issue: 0
Date: 10/09/2002
Rev: 10
Date: December 2006 Pag. 6/6
Res-Ingenium
Via dei Vasari, 17
Zona Industriale Fontanelle di Bardano
05018 Orvieto (TR)
Italy
Telephone: +39 0736 316333
Fax: +39 0763 316002
Internet: res-ingenium.com
E-Mail: map@res-ingenium.com
IMPORTANT NOTICE
RES-INGENIUM RESERVE THE RIGHT TO MAKE CHANGES TO THE PRODUCT(S) OR
INFORMATION CONTAINED HEREIN WITHOUT NOTICE. RES-INGENIUM ASSUMES NO
RESPONSIBILITY FOR ANY ERRORS WHICH MAY APPEAR IN THIS DOCUMENT.
WARRANTY INFORMATION APPLICABLE TO THE PRODUCT IDENTIFIED HEREIN IS AVAILABLE
UPON REQUEST. NOTHING CONTAINED HEREIN SHALL CONSTITUTE A WARRANTY,
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WARRANTIES OF MERCHANTABILITY, AND OF FITNESS FOR A PARTICULAR PURPOSE, USE OR
APPLICATION.
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written consent of Res-Ingenium.
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