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EH400 Series
Modular Headend System
Price: HK$0
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Features

AT420 UHF TV DUAL Channel Amplifiers

  • TV channel amplifiers tunable in UHF range
  • SAW filters provide a high selectivity processing of digital and analog channels
  • Each section has a built-in AGC system and independent regulator of output level
  • Built-in indicators and push buttons allow operatively to set required parameters
  • DIN rail or wall mounting
  • Robust die-cast housing

MA400 Multiband System Amplifier
  • FM, BIII & DAB and UHF inputs
  • High output level
  • Built-in gain controls
  • DIN rail or wall mounting
  • Robust die-cast housing

UP410S Power Supply
  • Modular power supply with integrated RF combiner
  • Switch-mode technology
  • Short circuit and overload protected
  • Robust die-cast housing
Specification

AT420 UHF TV DUAL Channel Amplifiers RF Input

Sections    2  
Tuning Range of Channels   470 ~ 862 MHz  
TV Standard #1 analog (G, K, I, NZ)    DVB-T* / DTMB
Channel Bandwidth 8 MHz   8 MHz
Level / Impedance  60-85 dBμV/75 Ω   50-80 dBμV/75 Ω
Frequency Range of RF Distribution    47-862 MHz  
Loop Through Gain   0 ± 1.5 dB  
Return Loss   >12 dB  
Level  / Impedance, Typical  90 dBμV /75 Ω   85 dBμV/75 Ω
MER of DVB-T Signal     36 dB (input signal MER 38 dB)
Frequency Range of RF Combining   47 ~ 2150 MHz  
DC Pass Through   0.3 A  
Combining Through Loss Terr/SAT    1.5/2.5 dB  
Level Adjustment Range    0 ~ -10 dB by 1 dB step  
Return Loss   ≧10 dB  
 

RF Output

Level  / Impedance, Typical  90 dBμV /75 Ω   85 dBμV/75 Ω
MER of DVB-T Signal ---   36 dB (input signal MER 38 dB)
Frequency Range of RF Combining   47 ~ 2150 MHz  
DC Pass Through   0.3 A  
Combining Through Loss Terr/SAT    1.5/2.5 dB  
Level Adjustment Range #1   0 ~ -10 dB by 1 dB step  
Return Loss   ≧10 dB  
 

General

Noise Figure   8 dB  
Selectivity, Typical #1   40 dB, ±1.25 MHz from 8 MHz bandwidth border  
Offset #2   ±1 MHz by 0.25 MHz step  
Spurious Signals Level   ≦-60 dBc  
Mirror Channel Selectivity    ≧ 60 dB  
Flatness of Channel Bandwidth, Typical    ± 1.5 dB  
Connector    F type  
DC Feeding for External    12V 0.1A max.  
Current Consumption #3   12V 0.45A  
Operating Temperature Range    0 ~ +50C  
Dimensions / Weight (packed)   36 x 198 x 107.5 mm / 0.9 kg  
 

MA400 Multiband System Amplifier

Gain  FM (88-108 MHz)  30 dB  
  VHFIII (174-260 MHz) 30 dB  
  UHF (470-862 MHz) 30 dB  
Number of Inputs 3  
Noise Figure  < 7 dB; UHF < 5 dB  
Maximal Output Level  VHF 116 dBμV;   
IMD3=60 dB (DIN45004B )  UHF 118 dBμV  
Gain Control  Attenuator  0 ~ -15 dB  
  Switch  0/-10 dB  
Return Loss > 10 dB  
Connector   F type  
DC Feeding for External (Total) 12V 0.1 A max.  
Current Consumption #3 12V 0.48 A  
Operating Temperature Range  0 ~ +50 C  
Dimensions / Weight (packed) 36x198x107.5 mm / 0.9 kg  
 

UP410S Power Supply

Input Voltage  187~250 V~ 50/60 Hz    
Output Voltage, Current 12V 4.5 A max.    
Power Consumption  65 W max.    
 

RF Combiner

Frequency Range  47~2400 MHz    
Insertion Loss  4 dB at 862 MHz    
  6 dB at 2400 MHz    
Isolation   ≥ 20 dB    
Return Loss 

≥ 20 dB at 862 MHz

≥ 12 dB at 2400 MHz

   
 

Other

Operating Temperature Range 0 ~ +50 C    
Dimensions 48 x 198 x 107.5 mm    
Weight (packed)  0.97 kg    
 
#1 Software control
#2 The offset is used for fine tuning of the channel frequency response
#3 Without external DC loading 
 

 

 

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