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Lem Elettronica DSP20evo Manual

Digital signal processor
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DSP20evo
Digital Signal Processor
TV Terrestrial programmable amplifier
Total output level max 100dBµV
≥50dB digital filters on adjacent channels
Single filter selectable bandwidth
Channel to channel conversion
UHF inputs with high rejection Lte 700 filters
Dual-stage input amplifiers
DAB filter 174... 230MHz
Auto-tuning for automatic channel scanning
Display and Android / Windows APP programming
TECHNICAL SPECIFICATIONS
NUMBER OF INPUTS
FM INPUT FREQUENCY RANGE
UHF1
UHF2
UHF3
DAB/B3-UHF4
SINGLE CHANNEL FILTERS
NUMBER OF CHANNEL PER FILTERS
INPUT LEVEL RANGES
FILTERS SELECTIVITY
AUTOMATIC CONTROL GAIN RANGE
VHF/UHF INPUTS AMPLIFIER GAIN
FM GAIN
VHF GAIN
UHF GAIN
SELECTABLE FILTERS BANDWIDTH
OUTPUT LEVEL RANGE
UHF ADJUSTABLE SLOPE
VHF ADJUSTABLE OUTPUT
MAX TOTAL VHF-UHF OUTPUT LEVEL
INPUTS REMOTE POWER
RETURN LOSS IN/OUT
AMPLIFIER POWERING
MAX AMPLIFIER CONSUMPTION
MAX AMPLIFIER CONSUMPTION + REMOTE POWER
OPERATING TEMPERATURE
DIMENSIONS
4
DAB/B3-UHF
FILTERS
POWER
D S P 2 0 e v o
DC IN 15V
.
AUTO
TUNING
5
MHz
MHz
MHz
MHz
MHz
1 (with channel to channel conversion)
dBµV
FM 35... 90 - B3/DAB 40... 110 - UHF 45... 110
dB
dB
dB
dB
dB
Standard (8MHz) / Narrow (-500KHz) / Wide (+750MHz)
dBµV
dB
dB
dBμV
dB
100...240VAC 50/60Hz (External power supply 15VDC / 1,25A)
W
W
°C
mm
3
2
UHF
UHF
FILTERS
FILTERS
DSP20
Digital Signal Processor
32 Programmable Digital Filters
Inputs:
1FM 3UHF 1DAB/B3-UHF
.
Gain:
VHF 40dB - UHF 48dB
Total Output Level Max: 100dBµV
Output 6 MUX:
Return loss IN/OUT:
Power Input:
15VDC / 0.66A
LTE
700
FM
USB
RED
COMPLIANT
LEM USB
1 FM; 3 UHF; 1 DAB/B3-UHF
FM (87,5... 108);
470... 694
470... 694
470... 694
170... 240; 470... 694/862
32
≥50 (Adjacent channels)
40 dB
OFF / +15 / +30
10 (Adjustable 0... -30dB)
40
48
70... 90
0... -10 (1 dB step)
0... -10 (1 dB step)
100 DIN 45004B
12V / 24V 100 mA
>12
8
10
-5... 50
193 x 149 x 36
1
UHF
FILTERS
evo
90dBµV
>12dB
Download
LEM USB
MATV
OUT
DC
WARRANTY
YEARS

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Summary of Contents for Lem Elettronica DSP20evo

  • Page 1 DSP20evo Digital Signal Processor TV Terrestrial programmable amplifier Total output level max 100dBµV ≥50dB digital filters on adjacent channels DAB/B3-UHF FILTERS FILTERS FILTERS FILTERS Single filter selectable bandwidth DSP20 Channel to channel conversion Digital Signal Processor POWER D S P 2 0 e v o...

  • Page 3: Package Contents

    Pictograms / symbols description The DSP20evo amplifier is covered by an extended 5-year warranty from the date WARRANTY YEARS of manufacture. The programmable amplifier complies with the RED 2014/53/EU directive. COMPLIANT The DSP20evo amplifier can also be programmed via a free graphic application available for Windows and Android OS.

  • Page 4: Installation Warnings

    Installation warnings - Use only the supplied power supply unit. - To ensure adequate cooling and ventilation, the DSP20evo unit and power supply unit must be securely fixed to a vertical wall. - To avoid the risk of fire or electrocution, do not expose the products to rain or moisture.

  • Page 5: Application Examples

    LEM USB Power Input: 15VDC / 0.66A Power Input: 15VDC / 0,74A MATV USB Port The amplifier DSP20evo can also be powered Coaxial DC Power Supplier YS25-1501250 Injector over coaxial cable through the use of a coaxial voltage injector*. MATV...

  • Page 6: Device Programming

    Device Programming The DSP20evo programmable amplifier can be configured in two different ways: 1) using the display and navigation keys integrated into the control unit. 2) using the application LEM USB available for Android OS and Windows OS. LEM USB for Android can be downloaded from Google Play.
  • Page 7 Automatic Channel Programming To speed up the programming process, you can use the AUTO-TUNING function. When this function is activated, the DSP20evo amplifier will automatically scan the inputs (1; 2; 3; 4) and store only DVB-T/T2 signals. To start the AUTO-TUNING procedure select AUTO and T U N I N G press ⏎.

  • Page 8: Manual Programming

    Manual Programming To start manual programming, select MAN using the ∇ key and T U N I N G press ⏎. A U TO M A N INPUT (1) UHF To set input parameters (1) press ⏎. I N ( 1 ) U H F INPUT REMOTE POWER To enable or disable the remote power feed from input (1) press...
  • Page 9 Channel CONVERSION To convert a Channel to a different channel from the one > 2 3 - > 3 4 A 0 6 1 received as input, place the pointer ..under the output filter A D D 1 C H and select the channel number using the ∇...
  • Page 10 INPUT (2) UHF To set the input parameters (2) press ⏎ and access the I N ( 2 ) U H F menu. For programming, follow the instructions described for INPUT (1) UHF. INPUT RANGE OUTPUT RANGE E21÷E48 E21÷E69 INPUT (3) UHF To set input (3) parameters, press ⏎...

  • Page 11: Output Level

    OUTPUT LEVEL Press ∇ to select the OUTPUT menu and confirm with ⏎ to O U T P U T access the amplifier output level setup. To set the output level, press ⏎ and use the ∇ ∆ keys to change O U T P U T the numerical value.

  • Page 12: Advanced Settings

    ADVANCED SETTINGS A D VA N C E D PROTECTION PASSWORD Select PASSW, press ⏎ and use the ∇ ∆ keys to choose the A D VA N C E D numerical value of the first digit on the right and confirm with >...
  • Page 13 SERIAL NUMBER The number series to the right of SRNBR represents the serial M O N I TO R : O F F number of the product. > S R N B R : 1 2 3 4 5 To return to the main level menu from any submenu, press and hold the ∇ ∆ RESET If you wish to delete all settings and restore the control unit R E S E T...
  • Page 14 LEM USB Setup 1 Power up the control unit and wait the end of booting until the LCD display shows DSP20evo 2 Connect the USB port of your Android device with the USB type B port integrated in the amplifier DSP20evo using a proper USB-OTG cable.
  • Page 16 Label with serial and tracking data Model Serial # Manuf. Manuf. Week Year Rel. Rel. LEM ELETTRONICA srl Via Grezze, 38 - 25015 Desenzano d/G Italy Tel. +39 0309120006 info@lemelettronica.it...

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