PRE - AMPILIFER
UHF 470-862 MHz 36dB adjustable
VHF 47-230 MHz 28 dB adjustable
Output level > 98 dBμV
Power consumption 50 mA
Noise figure > 3.5 dB
Operating voltage 24 VDC
Remote power unit
Operating voltage supplied 24 VDC
DC load max. 50mA
Technical Specification
VS128
VHF/UHF Masthead Amplifier
Example of mounting
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VM10A
UHF Bandpass pre-amplifier
Technical Specification
Passband Ch 21 - 62
Gain with passband ≥ 18 dB
Attenuation outside
passband
at fL - 20MHz ≥ 7dB
at fH + 20 MHz ≥ 7dB
at fL - 60 MHz ≥ 20dB
at fH + 60 MHz ≥ 20dB
at fL - 150MHz ≥35dB
at fH + 150MHz ≥35dB
Flatness of response
within passband
Impedance 75 ohms
1.0 dB
Screening factor Class A ≥ 85dB
Noise figure 3.5dB +/- 1dB
Housing
Weather Proof housing suitable for outdoor mounting
Power Supply VA53A
Prim.: 220 ± 6%, 50Hz ± 2Hz
Sec.: 24 VDC , 50 mA
DISTRIBUTION AMPILIFER
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VX 26 M1
Local feed distribution amplifier
-
Super compact housing
-
High output level
-
High gain
Technical Specification
Downstream
Frequency range 47 - 1006 MHz
Return Loss ≥ 18 dB (-1 dB/Okt.)
Noise figure < 6.0 dB (47 - 862 MHz)
< 8.0 dB (862 - 1006 MHz)
Gain 36 dB
Frequency response < + 0.5 dB (47 - 862 MHz)
< + 0.75 dB (47 - 1006 MHz)
Input attenuator & equalizer 0 - 22.5 dB
Step size 1.5 dB
RF test point output (Coupler) -20 dB
General Specifications
Impedance 75 Ohm
RF connectors F
Supply voltage
180 - 265 VAC
Operation indicator LED green
Surge protection power supply
2 kV, EN 61000-4-5 1,2/ 50 μs pulse
Power consumption typ. 16 W
Ambient temperature -20°... - 50°C
Storage temperature -25°... + 75°C
EMC EN 50083-2
Lightning arrestor RF conectors 4 kV, EN61000-4-5
1,2 /50 μs pulse
Dimensions / Connectors
85 mm
231 mm
Input DS
Output 2
Output 1
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158 mm
214 mm
IN-HOUSE/DISTRIBUTION AMPLIFIER
VX 26 H
In-house/distribution amplifier
-
Uninterruptible setting
-
Screwed, folding housing cover
-
Integrated return channel and diplexers
General Data
Operating voltage AC 180 - 265 V (50/60 Hz)
Power consumption 18 W
Screening factord B Class A, EN 50083-2
Technical Specification
Downstream
Inputs 1 pc
Input measurement socket 20 dB (resistance)
Input return loss >18 dB (-1 dB/oct)
Frequency range downstream 85...1006 MHz
Gain downstream 41 dB
Noise figure downstream <6 dB
Attenuator downstream 0...15 dB (1 dB-steps)
Equalizer downstream 0...22,5 dB (1,5 dB-steps)
Output level 1
111 dBμV (CENELEC 42 channels, flat, CSO/CTB >65 dB/>60 dB)
Inputs 1 pc
Output level 2
114 dBμV (CENELEC 42 Kanäle, 6dB slope, bei CSO/CTB 65/60 dB)
Output test point -20 dB (directional coupler)
Upstream
Frequency range upstream 5...65 MHz
Gain upstream (return channel full channel load)
Noise figure upstream <6 dB
Attenuator upstream input 0...15 dB (1 dB-steps)
Attenuator upstream output
0...15 dB (1 dB-steps + 5 dB
Interstage Jumper)
Equalizer US 0/3/6/9 dB (Jumper)
Output level US 112 dBµV (1 TS 140)
IN-HOUSE AMPLIFIER
VX 87
In-house amplifier
-
With passive return path
-
Adjustable level and equalizer
General Data
Operating voltage AC 230 V (50/60 Hz)
Power consumption 3.5 W
Operating temperature range -20...+55 °C
Downstream
Frequency range downstream 47 - 862 MHz
Gain downstream 28 - 31 dB
Noise figure downstream <8 dB
Attenuator downstream 0 - 18 dB
Equalizer downstream 3 - 18 dB
Interstage equalizer downstream 3 dB (constant)
Output level 1
Output level 2
98.5 dBµV (DS, CENELEC 42 channels, 6 dB slope)
96 dBµV (DS, CENELEC 42 channels, flat)
Output level 3
114 dBµV (DS, EN50083-5, 3.Ord.)
Upstream
Frequency range upstream 5...30 MHz (passive)